AyeCode / invoicing

includes/wpinv-helper-functions.php

Doc Comments +34 added lines, -1 removed lines

@@ -31,6 +31,9 @@ 
     return apply_filters( 'wpinv_get_ip', $ip );
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_user_agent() {
     if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
         $user_agent = sanitize_text_field( $_SERVER['HTTP_USER_AGENT'] );
@@ -41,6 +44,9 @@ 
     return apply_filters( 'wpinv_get_user_agent', $user_agent );
 }
 
+/**
+ * @param integer $decimals
+ */
 function wpinv_sanitize_amount( $amount, $decimals = NULL ) {
     $is_negative   = false;
     $thousands_sep = wpinv_thousands_separator();
@@ -79,6 +85,9 @@ 
 }
 add_filter( 'wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
 
+/**
+ * @param integer $decimals
+ */
 function wpinv_round_amount( $amount, $decimals = NULL ) {
     if ( $decimals === NULL ) {
         $decimals = wpinv_decimals();
@@ -117,6 +126,9 @@ 
     return $status;
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_currency() {
     $currency = wpinv_get_option( 'currency', 'USD' );
     
@@ -187,6 +199,9 @@ 
     return apply_filters( 'wpinv_currency_symbol', $currency_symbol, $currency );
 }
 
+/**
+ * @return string
+ */
 function wpinv_currency_position() {
     $position = wpinv_get_option( 'currency_position', 'left' );
     
@@ -315,6 +330,9 @@ 
     return $price;
 }
 
+/**
+ * @return string
+ */
 function wpinv_format_amount( $amount, $decimals = NULL, $calculate = false ) {
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
@@ -365,6 +383,9 @@ 
     return apply_filters( 'wpinv_sanitize_key', $key, $raw_key );
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_file_extension( $str ) {
     $parts = explode( '.', $str );
     return end( $parts );
@@ -569,6 +590,9 @@ 
     return strlen( $str );
 }
 
+/**
+ * @param string $str
+ */
 function wpinv_utf8_strtolower( $str, $encoding = 'UTF-8' ) {
     if ( function_exists( 'mb_strtolower' ) ) {
         return mb_strtolower( $str, $encoding );
@@ -577,6 +601,9 @@ 
     return strtolower( $str );
 }
 
+/**
+ * @param string $str
+ */
 function wpinv_utf8_strtoupper( $str, $encoding = 'UTF-8' ) {
     if ( function_exists( 'mb_strtoupper' ) ) {
         return mb_strtoupper( $str, $encoding );
@@ -654,7 +681,7 @@ 
  *
  * @param string $str The string being decoded.
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
- * @return string The width of string.
+ * @return integer The width of string.
  */
 function wpinv_utf8_strwidth( $str, $encoding = 'UTF-8' ) {
     if ( function_exists( 'mb_strwidth' ) ) {
@@ -708,6 +735,12 @@ 
 if ( ! function_exists( 'cal_days_in_month' ) ) {
     // Fallback in case the calendar extension is not loaded in PHP
     // Only supports Gregorian calendar
+
+    /**
+     * @param integer $calendar
+     * @param string $month
+     * @param string $year
+     */
     function cal_days_in_month( $calendar, $month, $year ) {
         return date( 't', mktime( 0, 0, 0, $month, 1, $year ) );
     }

Spacing +367 added lines, -367 removed lines

@@ -7,89 +7,89 @@ 
  */
 
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_item_quantities_enabled() {
-    $ret = wpinv_get_option( 'item_quantities', true );
+    $ret = wpinv_get_option('item_quantities', true);
 
-    return (bool) apply_filters( 'wpinv_item_quantities_enabled', $ret );
+    return (bool)apply_filters('wpinv_item_quantities_enabled', $ret);
 }
 
 function wpinv_get_ip() {
     $ip = '127.0.0.1';
 
-    if ( !empty( $_SERVER['HTTP_CLIENT_IP'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['HTTP_CLIENT_IP'] );
-    } elseif ( !empty( $_SERVER['HTTP_X_FORWARDED_FOR'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['HTTP_X_FORWARDED_FOR'] );
-    } elseif( !empty( $_SERVER['REMOTE_ADDR'] ) ) {
-        $ip = sanitize_text_field( $_SERVER['REMOTE_ADDR'] );
+    if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
+        $ip = sanitize_text_field($_SERVER['HTTP_CLIENT_IP']);
+    } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
+        $ip = sanitize_text_field($_SERVER['HTTP_X_FORWARDED_FOR']);
+    } elseif (!empty($_SERVER['REMOTE_ADDR'])) {
+        $ip = sanitize_text_field($_SERVER['REMOTE_ADDR']);
     }
 
-    return apply_filters( 'wpinv_get_ip', $ip );
+    return apply_filters('wpinv_get_ip', $ip);
 }
 
 function wpinv_get_user_agent() {
-    if ( ! empty( $_SERVER['HTTP_USER_AGENT'] ) ) {
-        $user_agent = sanitize_text_field( $_SERVER['HTTP_USER_AGENT'] );
+    if (!empty($_SERVER['HTTP_USER_AGENT'])) {
+        $user_agent = sanitize_text_field($_SERVER['HTTP_USER_AGENT']);
     } else {
         $user_agent = '';
     }
 
-    return apply_filters( 'wpinv_get_user_agent', $user_agent );
+    return apply_filters('wpinv_get_user_agent', $user_agent);
 }
 
-function wpinv_sanitize_amount( $amount, $decimals = NULL ) {
+function wpinv_sanitize_amount($amount, $decimals = NULL) {
     $is_negative   = false;
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
-    if ( $decimals === NULL ) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
     // Sanitize the amount
-    if ( $decimal_sep == ',' && false !== ( $found = strpos( $amount, $decimal_sep ) ) ) {
-        if ( ( $thousands_sep == '.' || $thousands_sep == ' ' ) && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-            $amount = str_replace( $thousands_sep, '', $amount );
-        } elseif( empty( $thousands_sep ) && false !== ( $found = strpos( $amount, '.' ) ) ) {
-            $amount = str_replace( '.', '', $amount );
+    if ($decimal_sep == ',' && false !== ($found = strpos($amount, $decimal_sep))) {
+        if (($thousands_sep == '.' || $thousands_sep == ' ') && false !== ($found = strpos($amount, $thousands_sep))) {
+            $amount = str_replace($thousands_sep, '', $amount);
+        } elseif (empty($thousands_sep) && false !== ($found = strpos($amount, '.'))) {
+            $amount = str_replace('.', '', $amount);
         }
 
-        $amount = str_replace( $decimal_sep, '.', $amount );
-    } elseif( $thousands_sep == ',' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( $thousands_sep, '', $amount );
+        $amount = str_replace($decimal_sep, '.', $amount);
+    } elseif ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace($thousands_sep, '', $amount);
     }
 
-    if( $amount < 0 ) {
+    if ($amount < 0) {
         $is_negative = true;
     }
 
-    $amount   = preg_replace( '/[^0-9\.]/', '', $amount );
+    $amount   = preg_replace('/[^0-9\.]/', '', $amount);
 
-    $decimals = apply_filters( 'wpinv_sanitize_amount_decimals', absint( $decimals ), $amount );
-    $amount   = number_format( (double) $amount, absint( $decimals ), '.', '' );
+    $decimals = apply_filters('wpinv_sanitize_amount_decimals', absint($decimals), $amount);
+    $amount   = number_format((double)$amount, absint($decimals), '.', '');
 
-    if( $is_negative ) {
+    if ($is_negative) {
         $amount *= -1;
     }
 
-    return apply_filters( 'wpinv_sanitize_amount', $amount, $decimals );
+    return apply_filters('wpinv_sanitize_amount', $amount, $decimals);
 }
-add_filter( 'wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
+add_filter('wpinv_sanitize_amount_decimals', 'wpinv_currency_decimal_filter', 10, 1);
 
-function wpinv_round_amount( $amount, $decimals = NULL ) {
-    if ( $decimals === NULL ) {
+function wpinv_round_amount($amount, $decimals = NULL) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
-    $amount = round( (double)$amount, wpinv_currency_decimal_filter( absint( $decimals ) ) );
+    $amount = round((double)$amount, wpinv_currency_decimal_filter(absint($decimals)));
 
-    return apply_filters( 'wpinv_round_amount', $amount, $decimals );
+    return apply_filters('wpinv_round_amount', $amount, $decimals);
 }
 
-function wpinv_get_invoice_statuses( $trashed = false ) {
+function wpinv_get_invoice_statuses($trashed = false) {
     global $post;
     $invoice_statuses = array();
     $invoice_statuses = array(
@@ -103,32 +103,32 @@ 
         'wpi-renewal' => __('Renewal Payment', 'invoicing')
     );
 
-    if ( $trashed ) {
-        $invoice_statuses['trash'] = __( 'Trash', 'invoicing' );
+    if ($trashed) {
+        $invoice_statuses['trash'] = __('Trash', 'invoicing');
     }
 
-    return apply_filters( 'wpinv_statuses', $invoice_statuses );
+    return apply_filters('wpinv_statuses', $invoice_statuses);
 }
 
-function wpinv_status_nicename( $status ) {
+function wpinv_status_nicename($status) {
     $statuses = wpinv_get_invoice_statuses();
-    $status   = isset( $statuses[$status] ) ? $statuses[$status] : __( $status, 'invoicing' );
+    $status   = isset($statuses[$status]) ? $statuses[$status] : __($status, 'invoicing');
 
     return $status;
 }
 
 function wpinv_get_currency() {
-    $currency = wpinv_get_option( 'currency', 'USD' );
+    $currency = wpinv_get_option('currency', 'USD');
 
-    return apply_filters( 'wpinv_currency', $currency );
+    return apply_filters('wpinv_currency', $currency);
 }
 
-function wpinv_currency_symbol( $currency = '' ) {
-    if ( empty( $currency ) ) {
+function wpinv_currency_symbol($currency = '') {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
 
-    $symbols = apply_filters( 'wpinv_currency_symbols', array(
+    $symbols = apply_filters('wpinv_currency_symbols', array(
         'AED' => '&#x62f;.&#x625;',
         'AFN' => '&#x60b;',
         'ALL' => 'L',
@@ -291,208 +291,208 @@ 
         'YER' => '&#xfdfc;',
         'ZAR' => '&#82;',
         'ZMW' => 'ZK',
-    ) );
+    ));
 
-    $currency_symbol = isset( $symbols[$currency] ) ? $symbols[$currency] : $currency;
+    $currency_symbol = isset($symbols[$currency]) ? $symbols[$currency] : $currency;
 
-    return apply_filters( 'wpinv_currency_symbol', $currency_symbol, $currency );
+    return apply_filters('wpinv_currency_symbol', $currency_symbol, $currency);
 }
 
 function wpinv_currency_position() {
-    $position = wpinv_get_option( 'currency_position', 'left' );
+    $position = wpinv_get_option('currency_position', 'left');
 
-    return apply_filters( 'wpinv_currency_position', $position );
+    return apply_filters('wpinv_currency_position', $position);
 }
 
 function wpinv_thousands_separator() {
-    $thousand_sep = wpinv_get_option( 'thousands_separator', ',' );
+    $thousand_sep = wpinv_get_option('thousands_separator', ',');
 
-    return apply_filters( 'wpinv_thousands_separator', $thousand_sep );
+    return apply_filters('wpinv_thousands_separator', $thousand_sep);
 }
 
 function wpinv_decimal_separator() {
-    $decimal_sep = wpinv_get_option( 'decimal_separator', '.' );
+    $decimal_sep = wpinv_get_option('decimal_separator', '.');
 
-    return apply_filters( 'wpinv_decimal_separator', $decimal_sep );
+    return apply_filters('wpinv_decimal_separator', $decimal_sep);
 }
 
 function wpinv_decimals() {
-    $decimals = apply_filters( 'wpinv_decimals', wpinv_get_option( 'decimals', 2 ) );
+    $decimals = apply_filters('wpinv_decimals', wpinv_get_option('decimals', 2));
 
-    return absint( $decimals );
+    return absint($decimals);
 }
 
 function wpinv_get_currencies() {
     $currencies = array(
-        'USD' => __( 'US Dollar', 'invoicing' ),
-        'EUR' => __( 'Euro', 'invoicing' ),
-        'GBP' => __( 'Pound Sterling', 'invoicing' ),
-        'AFN' => __( 'Afghan Afghani', 'invoicing' ),
-        'ALL' => __( 'Albanian Lek', 'invoicing' ),
-        'AMD' => __( 'Armenian Dram', 'invoicing' ),
-        'ANG' => __( 'Netherlands Antillean Guilder', 'invoicing' ),
-        'AOA' => __( 'Angolan Kwanza', 'invoicing' ),
-        'ARS' => __( 'Argentine Peso', 'invoicing' ),
-        'AUD' => __( 'Australian Dollar', 'invoicing' ),
-        'AWG' => __( 'Aruban Florin', 'invoicing' ),
-        'AZN' => __( 'Azerbaijani Manat', 'invoicing' ),
-        'BAM' => __( 'Bosnia and Herzegovina Convertible Marka', 'invoicing' ),
-        'BBD' => __( 'Barbadian Dollar', 'invoicing' ),
-        'BDT' => __( 'Bangladeshi Taka', 'invoicing' ),
-        'BGN' => __( 'Bulgarian Lev', 'invoicing' ),
-        'BHD' => __( 'Bahraini Dinar', 'invoicing' ),
-        'BIF' => __( 'Burundian Franc', 'invoicing' ),
-        'BMD' => __( 'Bermudian Dollar', 'invoicing' ),
-        'BND' => __( 'Brunei Dollar', 'invoicing' ),
-        'BOB' => __( 'Bolivian Boliviano', 'invoicing' ),
-        'BRL' => __( 'Brazilian Real', 'invoicing' ),
-        'BSD' => __( 'Bahamian Dollar', 'invoicing' ),
-        'BTC' => __( 'Bitcoin', 'invoicing' ),
-        'BTN' => __( 'Bhutanese Ngultrum', 'invoicing' ),
-        'BWP' => __( 'Botswana Pula', 'invoicing' ),
-        'BYR' => __( 'Belarusian Ruble', 'invoicing' ),
-        'BZD' => __( 'Belize Dollar', 'invoicing' ),
-        'CAD' => __( 'Canadian Dollar', 'invoicing' ),
-        'CDF' => __( 'Congolese Franc', 'invoicing' ),
-        'CHF' => __( 'Swiss Franc', 'invoicing' ),
-        'CLP' => __( 'Chilean Peso', 'invoicing' ),
-        'CNY' => __( 'Chinese Yuan', 'invoicing' ),
-        'COP' => __( 'Colombian Peso', 'invoicing' ),
-        'CRC' => __( 'Costa Rican Colon', 'invoicing' ),
-        'CUC' => __( 'Cuban Convertible Peso', 'invoicing' ),
-        'CUP' => __( 'Cuban Peso', 'invoicing' ),
-        'CVE' => __( 'Cape Verdean escudo', 'invoicing' ),
-        'CZK' => __( 'Czech Koruna', 'invoicing' ),
-        'DJF' => __( 'Djiboutian Franc', 'invoicing' ),
-        'DKK' => __( 'Danish Krone', 'invoicing' ),
-        'DOP' => __( 'Dominican Peso', 'invoicing' ),
-        'DZD' => __( 'Algerian Dinar', 'invoicing' ),
-        'EGP' => __( 'Egyptian Pound', 'invoicing' ),
-        'ERN' => __( 'Eritrean Nakfa', 'invoicing' ),
-        'ETB' => __( 'Ethiopian irr', 'invoicing' ),
-        'FJD' => __( 'Fijian Dollar', 'invoicing' ),
-        'FKP' => __( 'Falkland Islands Pound', 'invoicing' ),
-        'GEL' => __( 'Georgian lari', 'invoicing' ),
-        'GGP' => __( 'Guernsey Pound', 'invoicing' ),
-        'GHS' => __( 'Ghana cedi', 'invoicing' ),
-        'GIP' => __( 'Gibraltar Pound', 'invoicing' ),
-        'GMD' => __( 'Gambian Dalasi', 'invoicing' ),
-        'GNF' => __( 'Guinean Franc', 'invoicing' ),
-        'GTQ' => __( 'Guatemalan Quetzal', 'invoicing' ),
-        'GYD' => __( 'Guyanese Dollar', 'invoicing' ),
-        'HKD' => __( 'Hong Kong Dollar', 'invoicing' ),
-        'HNL' => __( 'Honduran Lempira', 'invoicing' ),
-        'HRK' => __( 'Croatian Kuna', 'invoicing' ),
-        'HTG' => __( 'Haitian Gourde', 'invoicing' ),
-        'HUF' => __( 'Hungarian Forint', 'invoicing' ),
-        'IDR' => __( 'Indonesian Rupiah', 'invoicing' ),
-        'ILS' => __( 'Israeli New Shekel', 'invoicing' ),
-        'IMP' => __( 'Manx Pound', 'invoicing' ),
-        'INR' => __( 'Indian Rupee', 'invoicing' ),
-        'IQD' => __( 'Iraqi Dinar', 'invoicing' ),
-        'IRR' => __( 'Iranian Rial', 'invoicing' ),
-        'IRT' => __( 'Iranian Toman', 'invoicing' ),
-        'ISK' => __( 'Icelandic Krona', 'invoicing' ),
-        'JEP' => __( 'Jersey Pound', 'invoicing' ),
-        'JMD' => __( 'Jamaican Dollar', 'invoicing' ),
-        'JOD' => __( 'Jordanian Dinar', 'invoicing' ),
-        'JPY' => __( 'Japanese Yen', 'invoicing' ),
-        'KES' => __( 'Kenyan Shilling', 'invoicing' ),
-        'KGS' => __( 'Kyrgyzstani Som', 'invoicing' ),
-        'KHR' => __( 'Cambodian Riel', 'invoicing' ),
-        'KMF' => __( 'Comorian Franc', 'invoicing' ),
-        'KPW' => __( 'North Korean Won', 'invoicing' ),
-        'KRW' => __( 'South Korean Won', 'invoicing' ),
-        'KWD' => __( 'Kuwaiti Dinar', 'invoicing' ),
-        'KYD' => __( 'Cayman Islands Dollar', 'invoicing' ),
-        'KZT' => __( 'Kazakhstani Tenge', 'invoicing' ),
-        'LAK' => __( 'Lao Kip', 'invoicing' ),
-        'LBP' => __( 'Lebanese Pound', 'invoicing' ),
-        'LKR' => __( 'Sri Lankan Rupee', 'invoicing' ),
-        'LRD' => __( 'Liberian Dollar', 'invoicing' ),
-        'LSL' => __( 'Lesotho Loti', 'invoicing' ),
-        'LYD' => __( 'Libyan Dinar', 'invoicing' ),
-        'MAD' => __( 'Moroccan Dirham', 'invoicing' ),
-        'MDL' => __( 'Moldovan Leu', 'invoicing' ),
-        'MGA' => __( 'Malagasy Ariary', 'invoicing' ),
-        'MKD' => __( 'Macedonian Denar', 'invoicing' ),
-        'MMK' => __( 'Burmese Kyat', 'invoicing' ),
-        'MNT' => __( 'Mongolian Tughrik', 'invoicing' ),
-        'MOP' => __( 'Macanese Pataca', 'invoicing' ),
-        'MRO' => __( 'Mauritanian Ouguiya', 'invoicing' ),
-        'MUR' => __( 'Mauritian Rupee', 'invoicing' ),
-        'MVR' => __( 'Maldivian Rufiyaa', 'invoicing' ),
-        'MWK' => __( 'Malawian Kwacha', 'invoicing' ),
-        'MXN' => __( 'Mexican Peso', 'invoicing' ),
-        'MYR' => __( 'Malaysian Ringgit', 'invoicing' ),
-        'MZN' => __( 'Mozambican Metical', 'invoicing' ),
-        'NAD' => __( 'Namibian Dollar', 'invoicing' ),
-        'NGN' => __( 'Nigerian Naira', 'invoicing' ),
-        'NIO' => __( 'Nicaraguan Cordoba', 'invoicing' ),
-        'NOK' => __( 'Norwegian Krone', 'invoicing' ),
-        'NPR' => __( 'Nepalese Rupee', 'invoicing' ),
-        'NZD' => __( 'New Zealand Dollar', 'invoicing' ),
-        'OMR' => __( 'Omani Rial', 'invoicing' ),
-        'PAB' => __( 'Panamanian Balboa', 'invoicing' ),
-        'PEN' => __( 'Peruvian Nuevo Sol', 'invoicing' ),
-        'PGK' => __( 'Papua New Guinean Kina', 'invoicing' ),
-        'PHP' => __( 'Philippine Peso', 'invoicing' ),
-        'PKR' => __( 'Pakistani Rupee', 'invoicing' ),
-        'PLN' => __( 'Polish Zloty', 'invoicing' ),
-        'PRB' => __( 'Transnistrian Ruble', 'invoicing' ),
-        'PYG' => __( 'Paraguayan Guarani', 'invoicing' ),
-        'QAR' => __( 'Qatari Riyal', 'invoicing' ),
-        'RON' => __( 'Romanian Leu', 'invoicing' ),
-        'RSD' => __( 'Serbian Dinar', 'invoicing' ),
-        'RUB' => __( 'Russian Ruble', 'invoicing' ),
-        'RWF' => __( 'Rwandan Franc', 'invoicing' ),
-        'SAR' => __( 'Saudi Riyal', 'invoicing' ),
-        'SBD' => __( 'Solomon Islands Dollar', 'invoicing' ),
-        'SCR' => __( 'Seychellois Rupee', 'invoicing' ),
-        'SDG' => __( 'Sudanese Pound', 'invoicing' ),
-        'SEK' => __( 'Swedish Krona', 'invoicing' ),
-        'SGD' => __( 'Singapore Dollar', 'invoicing' ),
-        'SHP' => __( 'Saint Helena Pound', 'invoicing' ),
-        'SLL' => __( 'Sierra Leonean Leone', 'invoicing' ),
-        'SOS' => __( 'Somali Shilling', 'invoicing' ),
-        'SRD' => __( 'Surinamese Dollar', 'invoicing' ),
-        'SSP' => __( 'South Sudanese Pound', 'invoicing' ),
-        'STD' => __( 'Sao Tomean Dobra', 'invoicing' ),
-        'SYP' => __( 'Syrian Pound', 'invoicing' ),
-        'SZL' => __( 'Swazi Lilangeni', 'invoicing' ),
-        'THB' => __( 'Thai Baht', 'invoicing' ),
-        'TJS' => __( 'Tajikistani Somoni', 'invoicing' ),
-        'TMT' => __( 'Turkmenistan Manat', 'invoicing' ),
-        'TND' => __( 'Tunisian Dinar', 'invoicing' ),
-        'TOP' => __( 'Tongan Pa&#x2bb;anga', 'invoicing' ),
-        'TRY' => __( 'Turkish Lira', 'invoicing' ),
-        'TTD' => __( 'Trinidad and Tobago Dollar', 'invoicing' ),
-        'TWD' => __( 'New Taiwan Dollar', 'invoicing' ),
-        'TZS' => __( 'Tanzanian Shilling', 'invoicing' ),
-        'UAH' => __( 'Ukrainian Hryvnia', 'invoicing' ),
-        'UGX' => __( 'Ugandan Shilling', 'invoicing' ),
-        'UYU' => __( 'Uruguayan Peso', 'invoicing' ),
-        'UZS' => __( 'Uzbekistani Som', 'invoicing' ),
-        'VEF' => __( 'Venezuelan Bol&iacute;var', 'invoicing' ),
-        'VND' => __( 'Vietnamese Dong', 'invoicing' ),
-        'VUV' => __( 'Vanuatu Vatu', 'invoicing' ),
-        'WST' => __( 'Samoan Tala', 'invoicing' ),
-        'XAF' => __( 'Central African CFA Franc', 'invoicing' ),
-        'XCD' => __( 'East Caribbean Dollar', 'invoicing' ),
-        'XOF' => __( 'West African CFA Franc', 'invoicing' ),
-        'XPF' => __( 'CFP Franc', 'invoicing' ),
-        'YER' => __( 'Yemeni Rial', 'invoicing' ),
-        'ZAR' => __( 'South African Rand', 'invoicing' ),
-        'ZMW' => __( 'Zambian Kwacha', 'invoicing' ),
+        'USD' => __('US Dollar', 'invoicing'),
+        'EUR' => __('Euro', 'invoicing'),
+        'GBP' => __('Pound Sterling', 'invoicing'),
+        'AFN' => __('Afghan Afghani', 'invoicing'),
+        'ALL' => __('Albanian Lek', 'invoicing'),
+        'AMD' => __('Armenian Dram', 'invoicing'),
+        'ANG' => __('Netherlands Antillean Guilder', 'invoicing'),
+        'AOA' => __('Angolan Kwanza', 'invoicing'),
+        'ARS' => __('Argentine Peso', 'invoicing'),
+        'AUD' => __('Australian Dollar', 'invoicing'),
+        'AWG' => __('Aruban Florin', 'invoicing'),
+        'AZN' => __('Azerbaijani Manat', 'invoicing'),
+        'BAM' => __('Bosnia and Herzegovina Convertible Marka', 'invoicing'),
+        'BBD' => __('Barbadian Dollar', 'invoicing'),
+        'BDT' => __('Bangladeshi Taka', 'invoicing'),
+        'BGN' => __('Bulgarian Lev', 'invoicing'),
+        'BHD' => __('Bahraini Dinar', 'invoicing'),
+        'BIF' => __('Burundian Franc', 'invoicing'),
+        'BMD' => __('Bermudian Dollar', 'invoicing'),
+        'BND' => __('Brunei Dollar', 'invoicing'),
+        'BOB' => __('Bolivian Boliviano', 'invoicing'),
+        'BRL' => __('Brazilian Real', 'invoicing'),
+        'BSD' => __('Bahamian Dollar', 'invoicing'),
+        'BTC' => __('Bitcoin', 'invoicing'),
+        'BTN' => __('Bhutanese Ngultrum', 'invoicing'),
+        'BWP' => __('Botswana Pula', 'invoicing'),
+        'BYR' => __('Belarusian Ruble', 'invoicing'),
+        'BZD' => __('Belize Dollar', 'invoicing'),
+        'CAD' => __('Canadian Dollar', 'invoicing'),
+        'CDF' => __('Congolese Franc', 'invoicing'),
+        'CHF' => __('Swiss Franc', 'invoicing'),
+        'CLP' => __('Chilean Peso', 'invoicing'),
+        'CNY' => __('Chinese Yuan', 'invoicing'),
+        'COP' => __('Colombian Peso', 'invoicing'),
+        'CRC' => __('Costa Rican Colon', 'invoicing'),
+        'CUC' => __('Cuban Convertible Peso', 'invoicing'),
+        'CUP' => __('Cuban Peso', 'invoicing'),
+        'CVE' => __('Cape Verdean escudo', 'invoicing'),
+        'CZK' => __('Czech Koruna', 'invoicing'),
+        'DJF' => __('Djiboutian Franc', 'invoicing'),
+        'DKK' => __('Danish Krone', 'invoicing'),
+        'DOP' => __('Dominican Peso', 'invoicing'),
+        'DZD' => __('Algerian Dinar', 'invoicing'),
+        'EGP' => __('Egyptian Pound', 'invoicing'),
+        'ERN' => __('Eritrean Nakfa', 'invoicing'),
+        'ETB' => __('Ethiopian irr', 'invoicing'),
+        'FJD' => __('Fijian Dollar', 'invoicing'),
+        'FKP' => __('Falkland Islands Pound', 'invoicing'),
+        'GEL' => __('Georgian lari', 'invoicing'),
+        'GGP' => __('Guernsey Pound', 'invoicing'),
+        'GHS' => __('Ghana cedi', 'invoicing'),
+        'GIP' => __('Gibraltar Pound', 'invoicing'),
+        'GMD' => __('Gambian Dalasi', 'invoicing'),
+        'GNF' => __('Guinean Franc', 'invoicing'),
+        'GTQ' => __('Guatemalan Quetzal', 'invoicing'),
+        'GYD' => __('Guyanese Dollar', 'invoicing'),
+        'HKD' => __('Hong Kong Dollar', 'invoicing'),
+        'HNL' => __('Honduran Lempira', 'invoicing'),
+        'HRK' => __('Croatian Kuna', 'invoicing'),
+        'HTG' => __('Haitian Gourde', 'invoicing'),
+        'HUF' => __('Hungarian Forint', 'invoicing'),
+        'IDR' => __('Indonesian Rupiah', 'invoicing'),
+        'ILS' => __('Israeli New Shekel', 'invoicing'),
+        'IMP' => __('Manx Pound', 'invoicing'),
+        'INR' => __('Indian Rupee', 'invoicing'),
+        'IQD' => __('Iraqi Dinar', 'invoicing'),
+        'IRR' => __('Iranian Rial', 'invoicing'),
+        'IRT' => __('Iranian Toman', 'invoicing'),
+        'ISK' => __('Icelandic Krona', 'invoicing'),
+        'JEP' => __('Jersey Pound', 'invoicing'),
+        'JMD' => __('Jamaican Dollar', 'invoicing'),
+        'JOD' => __('Jordanian Dinar', 'invoicing'),
+        'JPY' => __('Japanese Yen', 'invoicing'),
+        'KES' => __('Kenyan Shilling', 'invoicing'),
+        'KGS' => __('Kyrgyzstani Som', 'invoicing'),
+        'KHR' => __('Cambodian Riel', 'invoicing'),
+        'KMF' => __('Comorian Franc', 'invoicing'),
+        'KPW' => __('North Korean Won', 'invoicing'),
+        'KRW' => __('South Korean Won', 'invoicing'),
+        'KWD' => __('Kuwaiti Dinar', 'invoicing'),
+        'KYD' => __('Cayman Islands Dollar', 'invoicing'),
+        'KZT' => __('Kazakhstani Tenge', 'invoicing'),
+        'LAK' => __('Lao Kip', 'invoicing'),
+        'LBP' => __('Lebanese Pound', 'invoicing'),
+        'LKR' => __('Sri Lankan Rupee', 'invoicing'),
+        'LRD' => __('Liberian Dollar', 'invoicing'),
+        'LSL' => __('Lesotho Loti', 'invoicing'),
+        'LYD' => __('Libyan Dinar', 'invoicing'),
+        'MAD' => __('Moroccan Dirham', 'invoicing'),
+        'MDL' => __('Moldovan Leu', 'invoicing'),
+        'MGA' => __('Malagasy Ariary', 'invoicing'),
+        'MKD' => __('Macedonian Denar', 'invoicing'),
+        'MMK' => __('Burmese Kyat', 'invoicing'),
+        'MNT' => __('Mongolian Tughrik', 'invoicing'),
+        'MOP' => __('Macanese Pataca', 'invoicing'),
+        'MRO' => __('Mauritanian Ouguiya', 'invoicing'),
+        'MUR' => __('Mauritian Rupee', 'invoicing'),
+        'MVR' => __('Maldivian Rufiyaa', 'invoicing'),
+        'MWK' => __('Malawian Kwacha', 'invoicing'),
+        'MXN' => __('Mexican Peso', 'invoicing'),
+        'MYR' => __('Malaysian Ringgit', 'invoicing'),
+        'MZN' => __('Mozambican Metical', 'invoicing'),
+        'NAD' => __('Namibian Dollar', 'invoicing'),
+        'NGN' => __('Nigerian Naira', 'invoicing'),
+        'NIO' => __('Nicaraguan Cordoba', 'invoicing'),
+        'NOK' => __('Norwegian Krone', 'invoicing'),
+        'NPR' => __('Nepalese Rupee', 'invoicing'),
+        'NZD' => __('New Zealand Dollar', 'invoicing'),
+        'OMR' => __('Omani Rial', 'invoicing'),
+        'PAB' => __('Panamanian Balboa', 'invoicing'),
+        'PEN' => __('Peruvian Nuevo Sol', 'invoicing'),
+        'PGK' => __('Papua New Guinean Kina', 'invoicing'),
+        'PHP' => __('Philippine Peso', 'invoicing'),
+        'PKR' => __('Pakistani Rupee', 'invoicing'),
+        'PLN' => __('Polish Zloty', 'invoicing'),
+        'PRB' => __('Transnistrian Ruble', 'invoicing'),
+        'PYG' => __('Paraguayan Guarani', 'invoicing'),
+        'QAR' => __('Qatari Riyal', 'invoicing'),
+        'RON' => __('Romanian Leu', 'invoicing'),
+        'RSD' => __('Serbian Dinar', 'invoicing'),
+        'RUB' => __('Russian Ruble', 'invoicing'),
+        'RWF' => __('Rwandan Franc', 'invoicing'),
+        'SAR' => __('Saudi Riyal', 'invoicing'),
+        'SBD' => __('Solomon Islands Dollar', 'invoicing'),
+        'SCR' => __('Seychellois Rupee', 'invoicing'),
+        'SDG' => __('Sudanese Pound', 'invoicing'),
+        'SEK' => __('Swedish Krona', 'invoicing'),
+        'SGD' => __('Singapore Dollar', 'invoicing'),
+        'SHP' => __('Saint Helena Pound', 'invoicing'),
+        'SLL' => __('Sierra Leonean Leone', 'invoicing'),
+        'SOS' => __('Somali Shilling', 'invoicing'),
+        'SRD' => __('Surinamese Dollar', 'invoicing'),
+        'SSP' => __('South Sudanese Pound', 'invoicing'),
+        'STD' => __('Sao Tomean Dobra', 'invoicing'),
+        'SYP' => __('Syrian Pound', 'invoicing'),
+        'SZL' => __('Swazi Lilangeni', 'invoicing'),
+        'THB' => __('Thai Baht', 'invoicing'),
+        'TJS' => __('Tajikistani Somoni', 'invoicing'),
+        'TMT' => __('Turkmenistan Manat', 'invoicing'),
+        'TND' => __('Tunisian Dinar', 'invoicing'),
+        'TOP' => __('Tongan Pa&#x2bb;anga', 'invoicing'),
+        'TRY' => __('Turkish Lira', 'invoicing'),
+        'TTD' => __('Trinidad and Tobago Dollar', 'invoicing'),
+        'TWD' => __('New Taiwan Dollar', 'invoicing'),
+        'TZS' => __('Tanzanian Shilling', 'invoicing'),
+        'UAH' => __('Ukrainian Hryvnia', 'invoicing'),
+        'UGX' => __('Ugandan Shilling', 'invoicing'),
+        'UYU' => __('Uruguayan Peso', 'invoicing'),
+        'UZS' => __('Uzbekistani Som', 'invoicing'),
+        'VEF' => __('Venezuelan Bol&iacute;var', 'invoicing'),
+        'VND' => __('Vietnamese Dong', 'invoicing'),
+        'VUV' => __('Vanuatu Vatu', 'invoicing'),
+        'WST' => __('Samoan Tala', 'invoicing'),
+        'XAF' => __('Central African CFA Franc', 'invoicing'),
+        'XCD' => __('East Caribbean Dollar', 'invoicing'),
+        'XOF' => __('West African CFA Franc', 'invoicing'),
+        'XPF' => __('CFP Franc', 'invoicing'),
+        'YER' => __('Yemeni Rial', 'invoicing'),
+        'ZAR' => __('South African Rand', 'invoicing'),
+        'ZMW' => __('Zambian Kwacha', 'invoicing'),
     );
 
     //asort( $currencies ); // this
 
-    return apply_filters( 'wpinv_currencies', $currencies );
+    return apply_filters('wpinv_currencies', $currencies);
 }
 
-function wpinv_price( $amount = '', $currency = '' ) {
-    if( empty( $currency ) ) {
+function wpinv_price($amount = '', $currency = '') {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
 
@@ -500,14 +500,14 @@ 
 
     $negative = $amount < 0;
 
-    if ( $negative ) {
-        $amount = substr( $amount, 1 );
+    if ($negative) {
+        $amount = substr($amount, 1);
     }
 
-    $symbol = wpinv_currency_symbol( $currency );
+    $symbol = wpinv_currency_symbol($currency);
 
-    if ( $position == 'left' || $position == 'left_space' ) {
-        switch ( $currency ) {
+    if ($position == 'left' || $position == 'left_space') {
+        switch ($currency) {
             case "GBP" :
             case "BRL" :
             case "EUR" :
@@ -519,15 +519,15 @@ 
             case "NZD" :
             case "SGD" :
             case "JPY" :
-                $price = $position == 'left_space' ? $symbol . ' ' .  $amount : $symbol . $amount;
+                $price = $position == 'left_space' ? $symbol . ' ' . $amount : $symbol . $amount;
                 break;
             default :
                 //$price = $currency . ' ' . $amount;
-                $price = $position == 'left_space' ? $symbol . ' ' .  $amount : $symbol . $amount;
+                $price = $position == 'left_space' ? $symbol . ' ' . $amount : $symbol . $amount;
                 break;
         }
     } else {
-        switch ( $currency ) {
+        switch ($currency) {
             case "GBP" :
             case "BRL" :
             case "EUR" :
@@ -538,83 +538,83 @@ 
             case "MXN" :
             case "SGD" :
             case "JPY" :
-                $price = $position == 'right_space' ? $amount . ' ' .  $symbol : $amount . $symbol;
+                $price = $position == 'right_space' ? $amount . ' ' . $symbol : $amount . $symbol;
                 break;
             default :
                 //$price = $amount . ' ' . $currency;
-                $price = $position == 'right_space' ? $amount . ' ' .  $symbol : $amount . $symbol;
+                $price = $position == 'right_space' ? $amount . ' ' . $symbol : $amount . $symbol;
                 break;
         }
     }
 
-    if ( $negative ) {
+    if ($negative) {
         $price = '-' . $price;
     }
 
-    $price = apply_filters( 'wpinv_' . strtolower( $currency ) . '_currency_filter_' . $position, $price, $currency, $amount );
+    $price = apply_filters('wpinv_' . strtolower($currency) . '_currency_filter_' . $position, $price, $currency, $amount);
 
     return $price;
 }
 
-function wpinv_format_amount( $amount, $decimals = NULL, $calculate = false ) {
+function wpinv_format_amount($amount, $decimals = NULL, $calculate = false) {
     $thousands_sep = wpinv_thousands_separator();
     $decimal_sep   = wpinv_decimal_separator();
 
-    if ( $decimals === NULL ) {
+    if ($decimals === NULL) {
         $decimals = wpinv_decimals();
     }
 
-    if ( $decimal_sep == ',' && false !== ( $sep_found = strpos( $amount, $decimal_sep ) ) ) {
-        $whole = substr( $amount, 0, $sep_found );
-        $part = substr( $amount, $sep_found + 1, ( strlen( $amount ) - 1 ) );
+    if ($decimal_sep == ',' && false !== ($sep_found = strpos($amount, $decimal_sep))) {
+        $whole = substr($amount, 0, $sep_found);
+        $part = substr($amount, $sep_found + 1, (strlen($amount) - 1));
         $amount = $whole . '.' . $part;
     }
 
-    if ( $thousands_sep == ',' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( ',', '', $amount );
+    if ($thousands_sep == ',' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace(',', '', $amount);
     }
 
-    if ( $thousands_sep == ' ' && false !== ( $found = strpos( $amount, $thousands_sep ) ) ) {
-        $amount = str_replace( ' ', '', $amount );
+    if ($thousands_sep == ' ' && false !== ($found = strpos($amount, $thousands_sep))) {
+        $amount = str_replace(' ', '', $amount);
     }
 
-    if ( empty( $amount ) ) {
+    if (empty($amount)) {
         $amount = 0;
     }
 
-    $decimals  = apply_filters( 'wpinv_amount_format_decimals', $decimals ? $decimals : 0, $amount, $calculate );
-    $formatted = number_format( (float)$amount, $decimals, $decimal_sep, $thousands_sep );
+    $decimals  = apply_filters('wpinv_amount_format_decimals', $decimals ? $decimals : 0, $amount, $calculate);
+    $formatted = number_format((float)$amount, $decimals, $decimal_sep, $thousands_sep);
 
-    if ( $calculate ) {
-        if ( $thousands_sep === "," ) {
-            $formatted = str_replace( ",", "", $formatted );
+    if ($calculate) {
+        if ($thousands_sep === ",") {
+            $formatted = str_replace(",", "", $formatted);
         }
 
-        if ( $decimal_sep === "," ) {
-            $formatted = str_replace( ",", ".", $formatted );
+        if ($decimal_sep === ",") {
+            $formatted = str_replace(",", ".", $formatted);
         }
     }
 
-    return apply_filters( 'wpinv_amount_format', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep, $calculate );
+    return apply_filters('wpinv_amount_format', $formatted, $amount, $decimals, $decimal_sep, $thousands_sep, $calculate);
 }
-add_filter( 'wpinv_amount_format_decimals', 'wpinv_currency_decimal_filter', 10, 1 );
+add_filter('wpinv_amount_format_decimals', 'wpinv_currency_decimal_filter', 10, 1);
 
-function wpinv_sanitize_key( $key ) {
+function wpinv_sanitize_key($key) {
     $raw_key = $key;
-    $key = preg_replace( '/[^a-zA-Z0-9_\-\.\:\/]/', '', $key );
+    $key = preg_replace('/[^a-zA-Z0-9_\-\.\:\/]/', '', $key);
 
-    return apply_filters( 'wpinv_sanitize_key', $key, $raw_key );
+    return apply_filters('wpinv_sanitize_key', $key, $raw_key);
 }
 
-function wpinv_get_file_extension( $str ) {
-    $parts = explode( '.', $str );
-    return end( $parts );
+function wpinv_get_file_extension($str) {
+    $parts = explode('.', $str);
+    return end($parts);
 }
 
-function wpinv_string_is_image_url( $str ) {
-    $ext = wpinv_get_file_extension( $str );
+function wpinv_string_is_image_url($str) {
+    $ext = wpinv_get_file_extension($str);
 
-    switch ( strtolower( $ext ) ) {
+    switch (strtolower($ext)) {
         case 'jpeg';
         case 'jpg';
             $return = true;
@@ -630,32 +630,32 @@ 
             break;
     }
 
-    return (bool)apply_filters( 'wpinv_string_is_image', $return, $str );
+    return (bool)apply_filters('wpinv_string_is_image', $return, $str);
 }
 
-function wpinv_error_log( $log, $title = '', $file = '', $line = '', $exit = false ) {
-    $should_log = apply_filters( 'wpinv_log_errors', WP_DEBUG );
+function wpinv_error_log($log, $title = '', $file = '', $line = '', $exit = false) {
+    $should_log = apply_filters('wpinv_log_errors', WP_DEBUG);
 
-    if ( true === $should_log ) {
+    if (true === $should_log) {
         $label = '';
-        if ( $file && $file !== '' ) {
-            $label .= basename( $file ) . ( $line ? '(' . $line . ')' : '' );
+        if ($file && $file !== '') {
+            $label .= basename($file) . ($line ? '(' . $line . ')' : '');
         }
 
-        if ( $title && $title !== '' ) {
+        if ($title && $title !== '') {
             $label = $label !== '' ? $label . ' ' : '';
             $label .= $title . ' ';
         }
 
-        $label = $label !== '' ? trim( $label ) . ' : ' : '';
+        $label = $label !== '' ? trim($label) . ' : ' : '';
 
-        if ( is_array( $log ) || is_object( $log ) ) {
-            error_log( $label . print_r( $log, true ) );
+        if (is_array($log) || is_object($log)) {
+            error_log($label . print_r($log, true));
         } else {
-            error_log( $label . $log );
+            error_log($label . $log);
         }
 
-        if ( $exit ) {
+        if ($exit) {
             exit;
         }
     }
@@ -663,65 +663,65 @@ 
 
 function wpinv_is_ajax_disabled() {
     $retval = false;
-    return apply_filters( 'wpinv_is_ajax_disabled', $retval );
+    return apply_filters('wpinv_is_ajax_disabled', $retval);
 }
 
-function wpinv_get_current_page_url( $nocache = false ) {
+function wpinv_get_current_page_url($nocache = false) {
     global $wp;
 
-    if ( get_option( 'permalink_structure' ) ) {
-        $base = trailingslashit( home_url( $wp->request ) );
+    if (get_option('permalink_structure')) {
+        $base = trailingslashit(home_url($wp->request));
     } else {
-        $base = add_query_arg( $wp->query_string, '', trailingslashit( home_url( $wp->request ) ) );
-        $base = remove_query_arg( array( 'post_type', 'name' ), $base );
+        $base = add_query_arg($wp->query_string, '', trailingslashit(home_url($wp->request)));
+        $base = remove_query_arg(array('post_type', 'name'), $base);
     }
 
     $scheme = is_ssl() ? 'https' : 'http';
-    $uri    = set_url_scheme( $base, $scheme );
+    $uri    = set_url_scheme($base, $scheme);
 
-    if ( is_front_page() ) {
-        $uri = home_url( '/' );
-    } elseif ( wpinv_is_checkout( array(), false ) ) {
+    if (is_front_page()) {
+        $uri = home_url('/');
+    } elseif (wpinv_is_checkout(array(), false)) {
         $uri = wpinv_get_checkout_uri();
     }
 
-    $uri = apply_filters( 'wpinv_get_current_page_url', $uri );
+    $uri = apply_filters('wpinv_get_current_page_url', $uri);
 
-    if ( $nocache ) {
-        $uri = wpinv_add_cache_busting( $uri );
+    if ($nocache) {
+        $uri = wpinv_add_cache_busting($uri);
     }
 
     return $uri;
 }
 
 function wpinv_get_php_arg_separator_output() {
-	return ini_get( 'arg_separator.output' );
+	return ini_get('arg_separator.output');
 }
 
-function wpinv_rgb_from_hex( $color ) {
-    $color = str_replace( '#', '', $color );
+function wpinv_rgb_from_hex($color) {
+    $color = str_replace('#', '', $color);
     // Convert shorthand colors to full format, e.g. "FFF" -> "FFFFFF"
-    $color = preg_replace( '~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color );
+    $color = preg_replace('~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color);
 
     $rgb      = array();
-    $rgb['R'] = hexdec( $color{0}.$color{1} );
-    $rgb['G'] = hexdec( $color{2}.$color{3} );
-    $rgb['B'] = hexdec( $color{4}.$color{5} );
+    $rgb['R'] = hexdec($color{0} . $color{1} );
+    $rgb['G'] = hexdec($color{2} . $color{3} );
+    $rgb['B'] = hexdec($color{4} . $color{5} );
 
     return $rgb;
 }
 
-function wpinv_hex_darker( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_darker($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = $v / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v - $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -730,18 +730,18 @@ 
     return $color;
 }
 
-function wpinv_hex_lighter( $color, $factor = 30 ) {
-    $base  = wpinv_rgb_from_hex( $color );
+function wpinv_hex_lighter($color, $factor = 30) {
+    $base  = wpinv_rgb_from_hex($color);
     $color = '#';
 
-    foreach ( $base as $k => $v ) {
+    foreach ($base as $k => $v) {
         $amount      = 255 - $v;
         $amount      = $amount / 100;
-        $amount      = round( $amount * $factor );
+        $amount      = round($amount * $factor);
         $new_decimal = $v + $amount;
 
-        $new_hex_component = dechex( $new_decimal );
-        if ( strlen( $new_hex_component ) < 2 ) {
+        $new_hex_component = dechex($new_decimal);
+        if (strlen($new_hex_component) < 2) {
             $new_hex_component = "0" . $new_hex_component;
         }
         $color .= $new_hex_component;
@@ -750,22 +750,22 @@ 
     return $color;
 }
 
-function wpinv_light_or_dark( $color, $dark = '#000000', $light = '#FFFFFF' ) {
-    $hex = str_replace( '#', '', $color );
+function wpinv_light_or_dark($color, $dark = '#000000', $light = '#FFFFFF') {
+    $hex = str_replace('#', '', $color);
 
-    $c_r = hexdec( substr( $hex, 0, 2 ) );
-    $c_g = hexdec( substr( $hex, 2, 2 ) );
-    $c_b = hexdec( substr( $hex, 4, 2 ) );
+    $c_r = hexdec(substr($hex, 0, 2));
+    $c_g = hexdec(substr($hex, 2, 2));
+    $c_b = hexdec(substr($hex, 4, 2));
 
-    $brightness = ( ( $c_r * 299 ) + ( $c_g * 587 ) + ( $c_b * 114 ) ) / 1000;
+    $brightness = (($c_r * 299) + ($c_g * 587) + ($c_b * 114)) / 1000;
 
     return $brightness > 155 ? $dark : $light;
 }
 
-function wpinv_format_hex( $hex ) {
-    $hex = trim( str_replace( '#', '', $hex ) );
+function wpinv_format_hex($hex) {
+    $hex = trim(str_replace('#', '', $hex));
 
-    if ( strlen( $hex ) == 3 ) {
+    if (strlen($hex) == 3) {
         $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
     }
 
@@ -785,12 +785,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string
  */
-function wpinv_utf8_strimwidth( $str, $start, $width, $trimmaker = '', $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strimwidth' ) ) {
-        return mb_strimwidth( $str, $start, $width, $trimmaker, $encoding );
+function wpinv_utf8_strimwidth($str, $start, $width, $trimmaker = '', $encoding = 'UTF-8') {
+    if (function_exists('mb_strimwidth')) {
+        return mb_strimwidth($str, $start, $width, $trimmaker, $encoding);
     }
 
-    return wpinv_utf8_substr( $str, $start, $width, $encoding ) . $trimmaker;
+    return wpinv_utf8_substr($str, $start, $width, $encoding) . $trimmaker;
 }
 
 /**
@@ -802,28 +802,28 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the number of characters in string.
  */
-function wpinv_utf8_strlen( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strlen' ) ) {
-        return mb_strlen( $str, $encoding );
+function wpinv_utf8_strlen($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strlen')) {
+        return mb_strlen($str, $encoding);
     }
 
-    return strlen( $str );
+    return strlen($str);
 }
 
-function wpinv_utf8_strtolower( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strtolower' ) ) {
-        return mb_strtolower( $str, $encoding );
+function wpinv_utf8_strtolower($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strtolower')) {
+        return mb_strtolower($str, $encoding);
     }
 
-    return strtolower( $str );
+    return strtolower($str);
 }
 
-function wpinv_utf8_strtoupper( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strtoupper' ) ) {
-        return mb_strtoupper( $str, $encoding );
+function wpinv_utf8_strtoupper($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strtoupper')) {
+        return mb_strtoupper($str, $encoding);
     }
 
-    return strtoupper( $str );
+    return strtoupper($str);
 }
 
 /**
@@ -837,12 +837,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the position of the first occurrence of search in the string.
  */
-function wpinv_utf8_strpos( $str, $find, $offset = 0, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strpos' ) ) {
-        return mb_strpos( $str, $find, $offset, $encoding );
+function wpinv_utf8_strpos($str, $find, $offset = 0, $encoding = 'UTF-8') {
+    if (function_exists('mb_strpos')) {
+        return mb_strpos($str, $find, $offset, $encoding);
     }
 
-    return strpos( $str, $find, $offset );
+    return strpos($str, $find, $offset);
 }
 
 /**
@@ -856,12 +856,12 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return int Returns the position of the last occurrence of search.
  */
-function wpinv_utf8_strrpos( $str, $find, $offset = 0, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strrpos' ) ) {
-        return mb_strrpos( $str, $find, $offset, $encoding );
+function wpinv_utf8_strrpos($str, $find, $offset = 0, $encoding = 'UTF-8') {
+    if (function_exists('mb_strrpos')) {
+        return mb_strrpos($str, $find, $offset, $encoding);
     }
 
-    return strrpos( $str, $find, $offset );
+    return strrpos($str, $find, $offset);
 }
 
 /**
@@ -876,16 +876,16 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string
  */
-function wpinv_utf8_substr( $str, $start, $length = null, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_substr' ) ) {
-        if ( $length === null ) {
-            return mb_substr( $str, $start, wpinv_utf8_strlen( $str, $encoding ), $encoding );
+function wpinv_utf8_substr($str, $start, $length = null, $encoding = 'UTF-8') {
+    if (function_exists('mb_substr')) {
+        if ($length === null) {
+            return mb_substr($str, $start, wpinv_utf8_strlen($str, $encoding), $encoding);
         } else {
-            return mb_substr( $str, $start, $length, $encoding );
+            return mb_substr($str, $start, $length, $encoding);
         }
     }
 
-    return substr( $str, $start, $length );
+    return substr($str, $start, $length);
 }
 
 /**
@@ -897,48 +897,48 @@ 
  * @param string $encoding The encoding parameter is the character encoding. Default "UTF-8".
  * @return string The width of string.
  */
-function wpinv_utf8_strwidth( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strwidth' ) ) {
-        return mb_strwidth( $str, $encoding );
+function wpinv_utf8_strwidth($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_strwidth')) {
+        return mb_strwidth($str, $encoding);
     }
 
-    return wpinv_utf8_strlen( $str, $encoding );
+    return wpinv_utf8_strlen($str, $encoding);
 }
 
-function wpinv_utf8_ucfirst( $str, $lower_str_end = false, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_strlen' ) ) {
-        $first_letter = wpinv_utf8_strtoupper( wpinv_utf8_substr( $str, 0, 1, $encoding ), $encoding );
+function wpinv_utf8_ucfirst($str, $lower_str_end = false, $encoding = 'UTF-8') {
+    if (function_exists('mb_strlen')) {
+        $first_letter = wpinv_utf8_strtoupper(wpinv_utf8_substr($str, 0, 1, $encoding), $encoding);
         $str_end = "";
 
-        if ( $lower_str_end ) {
-            $str_end = wpinv_utf8_strtolower( wpinv_utf8_substr( $str, 1, wpinv_utf8_strlen( $str, $encoding ), $encoding ), $encoding );
+        if ($lower_str_end) {
+            $str_end = wpinv_utf8_strtolower(wpinv_utf8_substr($str, 1, wpinv_utf8_strlen($str, $encoding), $encoding), $encoding);
         } else {
-            $str_end = wpinv_utf8_substr( $str, 1, wpinv_utf8_strlen( $str, $encoding ), $encoding );
+            $str_end = wpinv_utf8_substr($str, 1, wpinv_utf8_strlen($str, $encoding), $encoding);
         }
 
         return $first_letter . $str_end;
     }
 
-    return ucfirst( $str );
+    return ucfirst($str);
 }
 
-function wpinv_utf8_ucwords( $str, $encoding = 'UTF-8' ) {
-    if ( function_exists( 'mb_convert_case' ) ) {
-        return mb_convert_case( $str, MB_CASE_TITLE, $encoding );
+function wpinv_utf8_ucwords($str, $encoding = 'UTF-8') {
+    if (function_exists('mb_convert_case')) {
+        return mb_convert_case($str, MB_CASE_TITLE, $encoding);
     }
 
-    return ucwords( $str );
+    return ucwords($str);
 }
 
-function wpinv_period_in_days( $period, $unit ) {
-    $period = absint( $period );
+function wpinv_period_in_days($period, $unit) {
+    $period = absint($period);
 
-    if ( $period > 0 ) {
-        if ( in_array( strtolower( $unit ), array( 'w', 'week', 'weeks' ) ) ) {
+    if ($period > 0) {
+        if (in_array(strtolower($unit), array('w', 'week', 'weeks'))) {
             $period = $period * 7;
-        } else if ( in_array( strtolower( $unit ), array( 'm', 'month', 'months' ) ) ) {
+        } else if (in_array(strtolower($unit), array('m', 'month', 'months'))) {
             $period = $period * 30;
-        } else if ( in_array( strtolower( $unit ), array( 'y', 'year', 'years' ) ) ) {
+        } else if (in_array(strtolower($unit), array('y', 'year', 'years'))) {
             $period = $period * 365;
         }
     }
@@ -946,10 +946,10 @@ 
     return $period;
 }
 
-if ( ! function_exists( 'cal_days_in_month' ) ) {
+if (!function_exists('cal_days_in_month')) {
     // Fallback in case the calendar extension is not loaded in PHP
     // Only supports Gregorian calendar
-    function cal_days_in_month( $calendar, $month, $year ) {
-        return date( 't', mktime( 0, 0, 0, $month, 1, $year ) );
+    function cal_days_in_month($calendar, $month, $year) {
+        return date('t', mktime(0, 0, 0, $month, 1, $year));
     }
 }
\ No newline at end of file

includes/wpinv-invoice-functions.php

Doc Comments +12 added lines

@@ -488,6 +488,9 @@ 
     return $invoice->get_description();
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_invoice_currency_code( $invoice_id = 0 ) {
     $invoice = new WPInv_Invoice( $invoice_id );
     return $invoice->get_currency();
@@ -521,6 +524,9 @@ 
     return $invoice->get_gateway_title();
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_payment_transaction_id( $invoice_id ) {
     $invoice = new WPInv_Invoice( $invoice_id );
     
@@ -625,6 +631,9 @@ 
     return $date_created;
 }
 
+/**
+ * @return string
+ */
 function wpinv_get_invoice_date( $invoice_id = 0, $format = '' ) {
     $invoice = new WPInv_Invoice( $invoice_id );
     
@@ -1864,6 +1873,9 @@ 
     return $display;
 }
 
+/**
+ * @return integer
+ */
 function wpinv_get_invoice_id_by_key( $key ) {
 	global $wpdb;
 

Spacing +713 added lines, -713 removed lines

@@ -7,40 +7,40 @@ 
  */
  
 // MUST have WordPress.
-if ( !defined( 'WPINC' ) ) {
-    exit( 'Do NOT access this file directly: ' . basename( __FILE__ ) );
+if (!defined('WPINC')) {
+    exit('Do NOT access this file directly: ' . basename(__FILE__));
 }
 
 function wpinv_get_invoice_cart_id() {
     $wpinv_checkout = wpinv_get_checkout_session();
     
-    if ( !empty( $wpinv_checkout['invoice_id'] ) ) {
+    if (!empty($wpinv_checkout['invoice_id'])) {
         return $wpinv_checkout['invoice_id'];
     }
     
     return NULL;
 }
 
-function wpinv_insert_invoice( $invoice_data = array(), $wp_error = false ) {
-    if ( empty( $invoice_data ) ) {
+function wpinv_insert_invoice($invoice_data = array(), $wp_error = false) {
+    if (empty($invoice_data)) {
         return false;
     }
     
-    if ( !( !empty( $invoice_data['cart_details'] ) && is_array( $invoice_data['cart_details'] ) ) ) {
-        return $wp_error ? new WP_Error( 'wpinv_invalid_items', __( 'Invoice must have atleast on item.', 'invoicing' ) ) : 0;
+    if (!(!empty($invoice_data['cart_details']) && is_array($invoice_data['cart_details']))) {
+        return $wp_error ? new WP_Error('wpinv_invalid_items', __('Invoice must have atleast on item.', 'invoicing')) : 0;
     }
     
-    if ( empty( $invoice_data['user_id'] ) ) {
+    if (empty($invoice_data['user_id'])) {
         $invoice_data['user_id'] = get_current_user_id();
     }
     
-    $invoice_data['invoice_id'] = !empty( $invoice_data['invoice_id'] ) ? (int)$invoice_data['invoice_id'] : 0;
+    $invoice_data['invoice_id'] = !empty($invoice_data['invoice_id']) ? (int)$invoice_data['invoice_id'] : 0;
     
-    if ( empty( $invoice_data['status'] ) ) {
+    if (empty($invoice_data['status'])) {
         $invoice_data['status'] = 'pending';
     }
     
-    if ( empty( $invoice_data['ip'] ) ) {
+    if (empty($invoice_data['ip'])) {
         $invoice_data['ip'] = wpinv_get_ip();
     }
 
@@ -51,12 +51,12 @@ 
         'status'        => $invoice_data['status'],
     );
 
-    $invoice = wpinv_create_invoice( $default_args, $invoice_data, true );
-    if ( is_wp_error( $invoice ) ) {
+    $invoice = wpinv_create_invoice($default_args, $invoice_data, true);
+    if (is_wp_error($invoice)) {
         return $wp_error ? $invoice : 0;
     }
     
-    if ( empty( $invoice_data['invoice_id'] ) ) {
+    if (empty($invoice_data['invoice_id'])) {
         //$invoice->add_note( wp_sprintf( __( 'Invoice is created with status %s.', 'invoicing' ), wpinv_status_nicename( $invoice->status ) ) );
     }
     
@@ -79,24 +79,24 @@ 
         'discount'              => array(),
     );
 
-    if ( $user_id = (int)$invoice->get_user_id() ) {
-        if ( $user_address = wpinv_get_user_address( $user_id ) ) {
-            $default_user_info = wp_parse_args( $user_address, $default_user_info );
+    if ($user_id = (int)$invoice->get_user_id()) {
+        if ($user_address = wpinv_get_user_address($user_id)) {
+            $default_user_info = wp_parse_args($user_address, $default_user_info);
         }
     }
     
-    if ( empty( $invoice_data['user_info'] ) ) {
+    if (empty($invoice_data['user_info'])) {
         $invoice_data['user_info'] = array();
     }
     
-    $user_info = wp_parse_args( $invoice_data['user_info'], $default_user_info );
+    $user_info = wp_parse_args($invoice_data['user_info'], $default_user_info);
     
-    if ( empty( $user_info['first_name'] ) ) {
+    if (empty($user_info['first_name'])) {
         $user_info['first_name'] = $default_user_info['first_name'];
         $user_info['last_name'] = $default_user_info['last_name'];
     }
     
-    if ( empty( $user_info['country'] ) ) {
+    if (empty($user_info['country'])) {
         $user_info['country'] = $default_user_info['country'];
         $user_info['state'] = $default_user_info['state'];
         $user_info['city'] = $default_user_info['city'];
@@ -105,13 +105,13 @@ 
         $user_info['phone'] = $default_user_info['phone'];
     }
     
-    if ( !empty( $user_info['discount'] ) && !is_array( $user_info['discount'] ) ) {
+    if (!empty($user_info['discount']) && !is_array($user_info['discount'])) {
         $user_info['discount'] = (array)$user_info['discount'];
     }
 
     // Payment details
     $payment_details = array();
-    if ( !empty( $invoice_data['payment_details'] ) ) {
+    if (!empty($invoice_data['payment_details'])) {
         $default_payment_details = array(
             'gateway'           => 'manual',
             'gateway_title'     => '',
@@ -119,56 +119,56 @@ 
             'transaction_id'    => '',
         );
         
-        $payment_details = wp_parse_args( $invoice_data['payment_details'], $default_payment_details );
+        $payment_details = wp_parse_args($invoice_data['payment_details'], $default_payment_details);
         
-        if ( empty( $payment_details['gateway'] ) ) {
+        if (empty($payment_details['gateway'])) {
             $payment_details['gateway'] = 'manual';
         }
         
-        if ( empty( $payment_details['currency'] ) ) {
+        if (empty($payment_details['currency'])) {
             $payment_details['currency'] = wpinv_get_default_country();
         }
         
-        if ( empty( $payment_details['gateway_title'] ) ) {
-            $payment_details['gateway_title'] = wpinv_get_gateway_checkout_label( $payment_details['gateway'] );
+        if (empty($payment_details['gateway_title'])) {
+            $payment_details['gateway_title'] = wpinv_get_gateway_checkout_label($payment_details['gateway']);
         }
     }
     
-    $invoice->set( 'status', ( !empty( $invoice_data['status'] ) ? $invoice_data['status'] : 'wpi-pending' ) );
-    
-    if ( !empty( $payment_details ) ) {
-        $invoice->set( 'currency', $payment_details['currency'] );
-        $invoice->set( 'gateway', $payment_details['gateway'] );
-        $invoice->set( 'gateway_title', $payment_details['gateway_title'] );
-        $invoice->set( 'transaction_id', $payment_details['transaction_id'] );
-    }
-    
-    $invoice->set( 'user_info', $user_info );
-    $invoice->set( 'first_name', $user_info['first_name'] );
-    $invoice->set( 'last_name', $user_info['last_name'] );
-    $invoice->set( 'address', $user_info['address'] );
-    $invoice->set( 'company', $user_info['company'] );
-    $invoice->set( 'vat_number', $user_info['vat_number'] );
-    $invoice->set( 'phone', $user_info['phone'] );
-    $invoice->set( 'city', $user_info['city'] );
-    $invoice->set( 'country', $user_info['country'] );
-    $invoice->set( 'state', $user_info['state'] );
-    $invoice->set( 'zip', $user_info['zip'] );
-    $invoice->set( 'discounts', $user_info['discount'] );
-    $invoice->set( 'ip', ( !empty( $invoice_data['ip'] ) ? $invoice_data['ip'] : wpinv_get_ip() ) );
-    $invoice->set( 'mode', ( wpinv_is_test_mode() ? 'test' : 'live' ) );
-    $invoice->set( 'parent_invoice', ( !empty( $invoice_data['parent'] ) ? absint( $invoice_data['parent'] ) : '' ) );
-    
-    if ( !empty( $invoice_data['cart_details'] ) && is_array( $invoice_data['cart_details'] ) ) {
-        foreach ( $invoice_data['cart_details'] as $key => $item ) {
-            $item_id        = !empty( $item['id'] ) ? $item['id'] : 0;
-            $quantity       = !empty( $item['quantity'] ) ? $item['quantity'] : 1;
-            $name           = !empty( $item['name'] ) ? $item['name'] : '';
-            $item_price     = isset( $item['item_price'] ) ? $item['item_price'] : '';
+    $invoice->set('status', (!empty($invoice_data['status']) ? $invoice_data['status'] : 'wpi-pending'));
+    
+    if (!empty($payment_details)) {
+        $invoice->set('currency', $payment_details['currency']);
+        $invoice->set('gateway', $payment_details['gateway']);
+        $invoice->set('gateway_title', $payment_details['gateway_title']);
+        $invoice->set('transaction_id', $payment_details['transaction_id']);
+    }
+    
+    $invoice->set('user_info', $user_info);
+    $invoice->set('first_name', $user_info['first_name']);
+    $invoice->set('last_name', $user_info['last_name']);
+    $invoice->set('address', $user_info['address']);
+    $invoice->set('company', $user_info['company']);
+    $invoice->set('vat_number', $user_info['vat_number']);
+    $invoice->set('phone', $user_info['phone']);
+    $invoice->set('city', $user_info['city']);
+    $invoice->set('country', $user_info['country']);
+    $invoice->set('state', $user_info['state']);
+    $invoice->set('zip', $user_info['zip']);
+    $invoice->set('discounts', $user_info['discount']);
+    $invoice->set('ip', (!empty($invoice_data['ip']) ? $invoice_data['ip'] : wpinv_get_ip()));
+    $invoice->set('mode', (wpinv_is_test_mode() ? 'test' : 'live'));
+    $invoice->set('parent_invoice', (!empty($invoice_data['parent']) ? absint($invoice_data['parent']) : ''));
+    
+    if (!empty($invoice_data['cart_details']) && is_array($invoice_data['cart_details'])) {
+        foreach ($invoice_data['cart_details'] as $key => $item) {
+            $item_id        = !empty($item['id']) ? $item['id'] : 0;
+            $quantity       = !empty($item['quantity']) ? $item['quantity'] : 1;
+            $name           = !empty($item['name']) ? $item['name'] : '';
+            $item_price     = isset($item['item_price']) ? $item['item_price'] : '';
             
-            $post_item  = new WPInv_Item( $item_id );
-            if ( !empty( $post_item ) ) {
-                $name       = !empty( $name ) ? $name : $post_item->get_name();
+            $post_item = new WPInv_Item($item_id);
+            if (!empty($post_item)) {
+                $name       = !empty($name) ? $name : $post_item->get_name();
                 $item_price = $item_price !== '' ? $item_price : $post_item->get_price();
             } else {
                 continue;
@@ -178,253 +178,253 @@ 
                 'name'          => $name,
                 'quantity'      => $quantity,
                 'item_price'    => $item_price,
-                'custom_price'  => isset( $item['custom_price'] ) ? $item['custom_price'] : '',
-                'tax'           => !empty( $item['tax'] ) ? $item['tax'] : 0.00,
-                'discount'      => isset( $item['discount'] ) ? $item['discount'] : 0,
-                'meta'          => isset( $item['meta'] ) ? $item['meta'] : array(),
-                'fees'          => isset( $item['fees'] ) ? $item['fees'] : array(),
+                'custom_price'  => isset($item['custom_price']) ? $item['custom_price'] : '',
+                'tax'           => !empty($item['tax']) ? $item['tax'] : 0.00,
+                'discount'      => isset($item['discount']) ? $item['discount'] : 0,
+                'meta'          => isset($item['meta']) ? $item['meta'] : array(),
+                'fees'          => isset($item['fees']) ? $item['fees'] : array(),
             );
 
-            $invoice->add_item( $item_id, $args );
+            $invoice->add_item($item_id, $args);
         }
     }
 
-    $invoice->increase_tax( wpinv_get_cart_fee_tax() );
+    $invoice->increase_tax(wpinv_get_cart_fee_tax());
 
-    if ( isset( $invoice_data['post_date'] ) ) {
-        $invoice->set( 'date', $invoice_data['post_date'] );
+    if (isset($invoice_data['post_date'])) {
+        $invoice->set('date', $invoice_data['post_date']);
     }
     
     // Invoice due date
-    if ( isset( $invoice_data['due_date'] ) ) {
-        $invoice->set( 'due_date', $invoice_data['due_date'] );
+    if (isset($invoice_data['due_date'])) {
+        $invoice->set('due_date', $invoice_data['due_date']);
     }
     
     $invoice->save();
     
     // Add notes
-    if ( !empty( $invoice_data['private_note'] ) ) {
-        $invoice->add_note( $invoice_data['private_note'] );
+    if (!empty($invoice_data['private_note'])) {
+        $invoice->add_note($invoice_data['private_note']);
     }
-    if ( !empty( $invoice_data['user_note'] ) ) {
-        $invoice->add_note( $invoice_data['user_note'], true );
+    if (!empty($invoice_data['user_note'])) {
+        $invoice->add_note($invoice_data['user_note'], true);
     }
     
-    do_action( 'wpinv_insert_invoice', $invoice->ID, $invoice_data );
+    do_action('wpinv_insert_invoice', $invoice->ID, $invoice_data);
 
-    if ( ! empty( $invoice->ID ) ) {
+    if (!empty($invoice->ID)) {
         global $wpi_userID, $wpinv_ip_address_country;
         
         $checkout_session = wpinv_get_checkout_session();
         
         $data_session                   = array();
         $data_session['invoice_id']     = $invoice->ID;
-        $data_session['cart_discounts'] = $invoice->get_discounts( true );
+        $data_session['cart_discounts'] = $invoice->get_discounts(true);
         
-        wpinv_set_checkout_session( $data_session );
+        wpinv_set_checkout_session($data_session);
         
         $wpi_userID         = (int)$invoice->get_user_id();
         
-        $_POST['country']   = !empty( $invoice->country ) ? $invoice->country : wpinv_get_default_country();
+        $_POST['country']   = !empty($invoice->country) ? $invoice->country : wpinv_get_default_country();
         $_POST['state']     = $invoice->state;
 
-        $invoice->set( 'country', sanitize_text_field( $_POST['country'] ) );
-        $invoice->set( 'state', sanitize_text_field( $_POST['state'] ) );
+        $invoice->set('country', sanitize_text_field($_POST['country']));
+        $invoice->set('state', sanitize_text_field($_POST['state']));
         
         $wpinv_ip_address_country = $invoice->country;
         
-        $invoice = $invoice->recalculate_totals( true );
+        $invoice = $invoice->recalculate_totals(true);
         
-        wpinv_set_checkout_session( $checkout_session );
+        wpinv_set_checkout_session($checkout_session);
                     
         return $invoice;
     }
     
-    if ( $wp_error ) {
-        if ( is_wp_error( $invoice ) ) {
+    if ($wp_error) {
+        if (is_wp_error($invoice)) {
             return $invoice;
         } else {
-            return new WP_Error( 'wpinv_insert_invoice_error', __( 'Error in insert invoice.', 'invoicing' ) );
+            return new WP_Error('wpinv_insert_invoice_error', __('Error in insert invoice.', 'invoicing'));
         }
     } else {
         return 0;
     }
 }
 
-function wpinv_update_invoice( $invoice_data = array(), $wp_error = false ) {
-    $invoice_ID = !empty( $invoice_data['ID'] ) ? absint( $invoice_data['ID'] ) : NULL;
+function wpinv_update_invoice($invoice_data = array(), $wp_error = false) {
+    $invoice_ID = !empty($invoice_data['ID']) ? absint($invoice_data['ID']) : NULL;
 
-    if ( !$invoice_ID ) {
-        if ( $wp_error ) {
-            return new WP_Error( 'invalid_invoice_id', __( 'Invalid invoice ID.', 'invoicing' ) );
+    if (!$invoice_ID) {
+        if ($wp_error) {
+            return new WP_Error('invalid_invoice_id', __('Invalid invoice ID.', 'invoicing'));
         }
         return 0;
     }
 
-    $invoice = wpinv_get_invoice( $invoice_ID );
+    $invoice = wpinv_get_invoice($invoice_ID);
 
-    $recurring_item = $invoice->is_recurring() ? $invoice->get_recurring( true ) : NULL;
+    $recurring_item = $invoice->is_recurring() ? $invoice->get_recurring(true) : NULL;
 
-    if ( empty( $invoice->ID ) ) {
-        if ( $wp_error ) {
-            return new WP_Error( 'invalid_invoice', __( 'Invalid invoice.', 'invoicing' ) );
+    if (empty($invoice->ID)) {
+        if ($wp_error) {
+            return new WP_Error('invalid_invoice', __('Invalid invoice.', 'invoicing'));
         }
         return 0;
     }
 
-    if ( !$invoice->has_status( array( 'wpi-pending' ) ) ) {
-        if ( $wp_error ) {
-            return new WP_Error( 'invalid_invoice_status', __( 'Only invoice with pending payment is allowed to update.', 'invoicing' ) );
+    if (!$invoice->has_status(array('wpi-pending'))) {
+        if ($wp_error) {
+            return new WP_Error('invalid_invoice_status', __('Only invoice with pending payment is allowed to update.', 'invoicing'));
         }
         return 0;
     }
 
     // Invoice status
-    if ( !empty( $invoice_data['status'] ) ) {
-        $invoice->set( 'status', $invoice_data['status'] );
+    if (!empty($invoice_data['status'])) {
+        $invoice->set('status', $invoice_data['status']);
     }
 
     // Invoice date
-    if ( !empty( $invoice_data['post_date'] ) ) {
-        $invoice->set( 'date', $invoice_data['post_date'] );
+    if (!empty($invoice_data['post_date'])) {
+        $invoice->set('date', $invoice_data['post_date']);
     }
 
     // Invoice due date
-    if ( isset( $invoice_data['due_date'] ) ) {
-        $invoice->set( 'due_date', $invoice_data['due_date'] );
+    if (isset($invoice_data['due_date'])) {
+        $invoice->set('due_date', $invoice_data['due_date']);
     }
 
     // Invoice IP address
-    if ( !empty( $invoice_data['ip'] ) ) {
-        $invoice->set( 'ip', $invoice_data['ip'] );
+    if (!empty($invoice_data['ip'])) {
+        $invoice->set('ip', $invoice_data['ip']);
     }
     
     // User info
-    if ( !empty( $invoice_data['user_info'] ) && is_array( $invoice_data['user_info'] ) ) {
-        $user_info = wp_parse_args( $invoice_data['user_info'], $invoice->user_info );
+    if (!empty($invoice_data['user_info']) && is_array($invoice_data['user_info'])) {
+        $user_info = wp_parse_args($invoice_data['user_info'], $invoice->user_info);
 
-        if ( $discounts = $invoice->get_discounts() ) {
+        if ($discounts = $invoice->get_discounts()) {
             $set_discount = $discounts;
         } else {
             $set_discount = '';
         }
 
         // Manage discount
-        if ( !empty( $invoice_data['user_info']['discount'] ) ) {
+        if (!empty($invoice_data['user_info']['discount'])) {
             // Remove discount
-            if ( $invoice_data['user_info']['discount'] == 'none' ) {
+            if ($invoice_data['user_info']['discount'] == 'none') {
                 $set_discount = '';
             } else {
                 $set_discount = $invoice_data['user_info']['discount'];
             }
 
-            $invoice->set( 'discounts', $set_discount );
+            $invoice->set('discounts', $set_discount);
         }
 
         $user_info['discount'] = $set_discount;
 
-        $invoice->set( 'user_info', $user_info );
+        $invoice->set('user_info', $user_info);
     }
 
-    if ( !empty( $invoice_data['cart_details'] ) && is_array( $invoice_data['cart_details'] ) && $cart_details = $invoice_data['cart_details'] ) {
-        $remove_items = !empty( $cart_details['remove_items'] ) && is_array( $cart_details['remove_items'] ) ? $cart_details['remove_items'] : array();
+    if (!empty($invoice_data['cart_details']) && is_array($invoice_data['cart_details']) && $cart_details = $invoice_data['cart_details']) {
+        $remove_items = !empty($cart_details['remove_items']) && is_array($cart_details['remove_items']) ? $cart_details['remove_items'] : array();
 
-        if ( !empty( $remove_items[0]['id'] ) ) {
-            foreach ( $remove_items as $item ) {
-                $item_id        = !empty( $item['id'] ) ? $item['id'] : 0;
-                $quantity       = !empty( $item['quantity'] ) ? $item['quantity'] : 1;
-                if ( empty( $item_id ) ) {
+        if (!empty($remove_items[0]['id'])) {
+            foreach ($remove_items as $item) {
+                $item_id        = !empty($item['id']) ? $item['id'] : 0;
+                $quantity       = !empty($item['quantity']) ? $item['quantity'] : 1;
+                if (empty($item_id)) {
                     continue;
                 }
 
-                foreach ( $invoice->cart_details as $cart_index => $cart_item ) {
-                    if ( $item_id == $cart_item['id'] ) {
+                foreach ($invoice->cart_details as $cart_index => $cart_item) {
+                    if ($item_id == $cart_item['id']) {
                         $args = array(
                             'id'         => $item_id,
                             'quantity'   => $quantity,
                             'cart_index' => $cart_index
                         );
 
-                        $invoice->remove_item( $item_id, $args );
+                        $invoice->remove_item($item_id, $args);
                         break;
                     }
                 }
             }
         }
 
-        $add_items = !empty( $cart_details['add_items'] ) && is_array( $cart_details['add_items'] ) ? $cart_details['add_items'] : array();
+        $add_items = !empty($cart_details['add_items']) && is_array($cart_details['add_items']) ? $cart_details['add_items'] : array();
 
-        if ( !empty( $add_items[0]['id'] ) ) {
-            foreach ( $add_items as $item ) {
-                $item_id        = !empty( $item['id'] ) ? $item['id'] : 0;
-                $post_item      = new WPInv_Item( $item_id );
-                if ( empty( $post_item ) ) {
+        if (!empty($add_items[0]['id'])) {
+            foreach ($add_items as $item) {
+                $item_id        = !empty($item['id']) ? $item['id'] : 0;
+                $post_item      = new WPInv_Item($item_id);
+                if (empty($post_item)) {
                     continue;
                 }
 
                 $valid_item = true;
-                if ( !empty( $recurring_item ) ) {
-                    if ( $recurring_item->ID != $item_id ) {
+                if (!empty($recurring_item)) {
+                    if ($recurring_item->ID != $item_id) {
                         $valid_item = false;
                     }
-                } else if ( wpinv_is_recurring_item( $item_id ) ) {
+                } else if (wpinv_is_recurring_item($item_id)) {
                     $valid_item = false;
                 }
                 
-                if ( !$valid_item ) {
-                    if ( $wp_error ) {
-                        return new WP_Error( 'invalid_invoice_item', __( 'You can not add item to invoice because recurring item must be paid individually!', 'invoicing' ) );
+                if (!$valid_item) {
+                    if ($wp_error) {
+                        return new WP_Error('invalid_invoice_item', __('You can not add item to invoice because recurring item must be paid individually!', 'invoicing'));
                     }
                     return 0;
                 }
 
-                $quantity       = !empty( $item['quantity'] ) ? $item['quantity'] : 1;
-                $name           = !empty( $item['name'] ) ? $item['name'] : $post_item->get_name();
-                $item_price     = isset( $item['item_price'] ) ? $item['item_price'] : $post_item->get_price();
+                $quantity       = !empty($item['quantity']) ? $item['quantity'] : 1;
+                $name           = !empty($item['name']) ? $item['name'] : $post_item->get_name();
+                $item_price     = isset($item['item_price']) ? $item['item_price'] : $post_item->get_price();
 
                 $args = array(
                     'name'          => $name,
                     'quantity'      => $quantity,
                     'item_price'    => $item_price,
-                    'custom_price'  => isset( $item['custom_price'] ) ? $item['custom_price'] : '',
-                    'tax'           => !empty( $item['tax'] ) ? $item['tax'] : 0,
-                    'discount'      => isset( $item['discount'] ) ? $item['discount'] : 0,
-                    'meta'          => isset( $item['meta'] ) ? $item['meta'] : array(),
-                    'fees'          => isset( $item['fees'] ) ? $item['fees'] : array(),
+                    'custom_price'  => isset($item['custom_price']) ? $item['custom_price'] : '',
+                    'tax'           => !empty($item['tax']) ? $item['tax'] : 0,
+                    'discount'      => isset($item['discount']) ? $item['discount'] : 0,
+                    'meta'          => isset($item['meta']) ? $item['meta'] : array(),
+                    'fees'          => isset($item['fees']) ? $item['fees'] : array(),
                 );
 
-                $invoice->add_item( $item_id, $args );
+                $invoice->add_item($item_id, $args);
             }
         }
     }
     
     // Payment details
-    if ( !empty( $invoice_data['payment_details'] ) && $payment_details = $invoice_data['payment_details'] ) {
-        if ( !empty( $payment_details['gateway'] ) ) {
-            $invoice->set( 'gateway', $payment_details['gateway'] );
+    if (!empty($invoice_data['payment_details']) && $payment_details = $invoice_data['payment_details']) {
+        if (!empty($payment_details['gateway'])) {
+            $invoice->set('gateway', $payment_details['gateway']);
         }
 
-        if ( !empty( $payment_details['transaction_id'] ) ) {
-            $invoice->set( 'transaction_id', $payment_details['transaction_id'] );
+        if (!empty($payment_details['transaction_id'])) {
+            $invoice->set('transaction_id', $payment_details['transaction_id']);
         }
     }
 
-    do_action( 'wpinv_pre_update_invoice', $invoice->ID, $invoice_data );
+    do_action('wpinv_pre_update_invoice', $invoice->ID, $invoice_data);
 
     // Parent invoice
-    if ( !empty( $invoice_data['parent'] ) ) {
-        $invoice->set( 'parent_invoice', $invoice_data['parent'] );
+    if (!empty($invoice_data['parent'])) {
+        $invoice->set('parent_invoice', $invoice_data['parent']);
     }
 
     // Save invoice data.
     $invoice->save();
     
-    if ( empty( $invoice->ID ) || is_wp_error( $invoice ) ) {
-        if ( $wp_error ) {
-            if ( is_wp_error( $invoice ) ) {
+    if (empty($invoice->ID) || is_wp_error($invoice)) {
+        if ($wp_error) {
+            if (is_wp_error($invoice)) {
                 return $invoice;
             } else {
-                return new WP_Error( 'wpinv_update_invoice_error', __( 'Error in update invoice.', 'invoicing' ) );
+                return new WP_Error('wpinv_update_invoice_error', __('Error in update invoice.', 'invoicing'));
             }
         } else {
             return 0;
@@ -432,13 +432,13 @@ 
     }
 
     // Add private note
-    if ( !empty( $invoice_data['private_note'] ) ) {
-        $invoice->add_note( $invoice_data['private_note'] );
+    if (!empty($invoice_data['private_note'])) {
+        $invoice->add_note($invoice_data['private_note']);
     }
 
     // Add user note
-    if ( !empty( $invoice_data['user_note'] ) ) {
-        $invoice->add_note( $invoice_data['user_note'], true );
+    if (!empty($invoice_data['user_note'])) {
+        $invoice->add_note($invoice_data['user_note'], true);
     }
 
     global $wpi_userID, $wpinv_ip_address_country;
@@ -447,445 +447,445 @@ 
 
     $data_session                   = array();
     $data_session['invoice_id']     = $invoice->ID;
-    $data_session['cart_discounts'] = $invoice->get_discounts( true );
+    $data_session['cart_discounts'] = $invoice->get_discounts(true);
 
-    wpinv_set_checkout_session( $data_session );
+    wpinv_set_checkout_session($data_session);
 
     $wpi_userID         = (int)$invoice->get_user_id();
 
-    $_POST['country']   = !empty( $invoice->country ) ? $invoice->country : wpinv_get_default_country();
+    $_POST['country']   = !empty($invoice->country) ? $invoice->country : wpinv_get_default_country();
     $_POST['state']     = $invoice->state;
 
-    $invoice->set( 'country', sanitize_text_field( $_POST['country'] ) );
-    $invoice->set( 'state', sanitize_text_field( $_POST['state'] ) );
+    $invoice->set('country', sanitize_text_field($_POST['country']));
+    $invoice->set('state', sanitize_text_field($_POST['state']));
 
     $wpinv_ip_address_country = $invoice->country;
 
-    $invoice = $invoice->recalculate_totals( true );
+    $invoice = $invoice->recalculate_totals(true);
 
-    do_action( 'wpinv_post_update_invoice', $invoice->ID, $invoice_data );
+    do_action('wpinv_post_update_invoice', $invoice->ID, $invoice_data);
 
-    wpinv_set_checkout_session( $checkout_session );
+    wpinv_set_checkout_session($checkout_session);
 
     return $invoice;
 }
 
-function wpinv_get_invoice( $invoice_id = 0, $cart = false ) {
-    if ( $cart && empty( $invoice_id ) ) {
+function wpinv_get_invoice($invoice_id = 0, $cart = false) {
+    if ($cart && empty($invoice_id)) {
         $invoice_id = (int)wpinv_get_invoice_cart_id();
     }
 
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
     return $invoice;
 }
 
-function wpinv_get_invoice_cart( $invoice_id = 0 ) {
-    return wpinv_get_invoice( $invoice_id, true );
+function wpinv_get_invoice_cart($invoice_id = 0) {
+    return wpinv_get_invoice($invoice_id, true);
 }
 
-function wpinv_get_invoice_description( $invoice_id = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_description($invoice_id = 0) {
+    $invoice = new WPInv_Invoice($invoice_id);
     return $invoice->get_description();
 }
 
-function wpinv_get_invoice_currency_code( $invoice_id = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_currency_code($invoice_id = 0) {
+    $invoice = new WPInv_Invoice($invoice_id);
     return $invoice->get_currency();
 }
 
-function wpinv_get_payment_user_email( $invoice_id ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_payment_user_email($invoice_id) {
+    $invoice = new WPInv_Invoice($invoice_id);
     return $invoice->get_email();
 }
 
-function wpinv_get_user_id( $invoice_id ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_user_id($invoice_id) {
+    $invoice = new WPInv_Invoice($invoice_id);
     return $invoice->get_user_id();
 }
 
-function wpinv_get_invoice_status( $invoice_id, $return_label = false ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_status($invoice_id, $return_label = false) {
+    $invoice = new WPInv_Invoice($invoice_id);
     
-    return $invoice->get_status( $return_label );
+    return $invoice->get_status($return_label);
 }
 
-function wpinv_get_payment_gateway( $invoice_id, $return_label = false ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_payment_gateway($invoice_id, $return_label = false) {
+    $invoice = new WPInv_Invoice($invoice_id);
     
-    return $invoice->get_gateway( $return_label );
+    return $invoice->get_gateway($return_label);
 }
 
-function wpinv_get_payment_gateway_name( $invoice_id ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_payment_gateway_name($invoice_id) {
+    $invoice = new WPInv_Invoice($invoice_id);
     
     return $invoice->get_gateway_title();
 }
 
-function wpinv_get_payment_transaction_id( $invoice_id ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_payment_transaction_id($invoice_id) {
+    $invoice = new WPInv_Invoice($invoice_id);
     
     return $invoice->get_transaction_id();
 }
 
-function wpinv_get_id_by_transaction_id( $key ) {
+function wpinv_get_id_by_transaction_id($key) {
     global $wpdb;
 
-    $invoice_id = $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_transaction_id' AND meta_value = %s LIMIT 1", $key ) );
+    $invoice_id = $wpdb->get_var($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_transaction_id' AND meta_value = %s LIMIT 1", $key));
 
-    if ( $invoice_id != NULL )
+    if ($invoice_id != NULL)
         return $invoice_id;
 
     return 0;
 }
 
-function wpinv_get_invoice_meta( $invoice_id = 0, $meta_key = '_wpinv_payment_meta', $single = true ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_meta($invoice_id = 0, $meta_key = '_wpinv_payment_meta', $single = true) {
+    $invoice = new WPInv_Invoice($invoice_id);
 
-    return $invoice->get_meta( $meta_key, $single );
+    return $invoice->get_meta($meta_key, $single);
 }
 
-function wpinv_update_invoice_meta( $invoice_id = 0, $meta_key = '', $meta_value = '', $prev_value = '' ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_update_invoice_meta($invoice_id = 0, $meta_key = '', $meta_value = '', $prev_value = '') {
+    $invoice = new WPInv_Invoice($invoice_id);
     
-    return $invoice->update_meta( $meta_key, $meta_value, $prev_value );
+    return $invoice->update_meta($meta_key, $meta_value, $prev_value);
 }
 
-function wpinv_get_items( $invoice_id = 0 ) {
-    $invoice            = wpinv_get_invoice( $invoice_id );
+function wpinv_get_items($invoice_id = 0) {
+    $invoice            = wpinv_get_invoice($invoice_id);
     
     $items              = $invoice->get_items();
     $invoice_currency   = $invoice->get_currency();
 
-    if ( !empty( $items ) && is_array( $items ) ) {
-        foreach ( $items as $key => $item ) {
+    if (!empty($items) && is_array($items)) {
+        foreach ($items as $key => $item) {
             $items[$key]['currency'] = $invoice_currency;
 
-            if ( !isset( $cart_item['subtotal'] ) ) {
+            if (!isset($cart_item['subtotal'])) {
                 $items[$key]['subtotal'] = $items[$key]['amount'] * 1;
             }
         }
     }
 
-    return apply_filters( 'wpinv_get_items', $items, $invoice_id );
+    return apply_filters('wpinv_get_items', $items, $invoice_id);
 }
 
-function wpinv_get_fees( $invoice_id = 0 ) {
-    $invoice           = wpinv_get_invoice( $invoice_id );
+function wpinv_get_fees($invoice_id = 0) {
+    $invoice           = wpinv_get_invoice($invoice_id);
     $fees              = $invoice->get_fees();
 
-    return apply_filters( 'wpinv_get_fees', $fees, $invoice_id );
+    return apply_filters('wpinv_get_fees', $fees, $invoice_id);
 }
 
-function wpinv_get_invoice_ip( $invoice_id ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_ip($invoice_id) {
+    $invoice = new WPInv_Invoice($invoice_id);
     return $invoice->get_ip();
 }
 
-function wpinv_get_invoice_user_info( $invoice_id ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_user_info($invoice_id) {
+    $invoice = new WPInv_Invoice($invoice_id);
     return $invoice->get_user_info();
 }
 
-function wpinv_subtotal( $invoice_id = 0, $currency = false ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_subtotal($invoice_id = 0, $currency = false) {
+    $invoice = new WPInv_Invoice($invoice_id);
 
-    return $invoice->get_subtotal( $currency );
+    return $invoice->get_subtotal($currency);
 }
 
-function wpinv_tax( $invoice_id = 0, $currency = false ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_tax($invoice_id = 0, $currency = false) {
+    $invoice = new WPInv_Invoice($invoice_id);
 
-    return $invoice->get_tax( $currency );
+    return $invoice->get_tax($currency);
 }
 
-function wpinv_discount( $invoice_id = 0, $currency = false, $dash = false ) {
-    $invoice = wpinv_get_invoice( $invoice_id );
+function wpinv_discount($invoice_id = 0, $currency = false, $dash = false) {
+    $invoice = wpinv_get_invoice($invoice_id);
 
-    return $invoice->get_discount( $currency, $dash );
+    return $invoice->get_discount($currency, $dash);
 }
 
-function wpinv_discount_code( $invoice_id = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_discount_code($invoice_id = 0) {
+    $invoice = new WPInv_Invoice($invoice_id);
 
     return $invoice->get_discount_code();
 }
 
-function wpinv_payment_total( $invoice_id = 0, $currency = false ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_payment_total($invoice_id = 0, $currency = false) {
+    $invoice = new WPInv_Invoice($invoice_id);
 
-    return $invoice->get_total( $currency );
+    return $invoice->get_total($currency);
 }
 
-function wpinv_get_date_created( $invoice_id = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_date_created($invoice_id = 0) {
+    $invoice = new WPInv_Invoice($invoice_id);
     
     $date_created   = $invoice->get_created_date();
-    $date_created   = $date_created != '' && $date_created != '0000-00-00 00:00:00' ? date_i18n( get_option( 'date_format' ), strtotime( $date_created ) ) : '';
+    $date_created   = $date_created != '' && $date_created != '0000-00-00 00:00:00' ? date_i18n(get_option('date_format'), strtotime($date_created)) : '';
 
     return $date_created;
 }
 
-function wpinv_get_invoice_date( $invoice_id = 0, $format = '' ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_date($invoice_id = 0, $format = '') {
+    $invoice = new WPInv_Invoice($invoice_id);
     
-    $format         = !empty( $format ) ? $format : get_option( 'date_format' );
+    $format         = !empty($format) ? $format : get_option('date_format');
     $date_completed = $invoice->get_completed_date();
-    $invoice_date   = $date_completed != '' && $date_completed != '0000-00-00 00:00:00' ? date_i18n( $format, strtotime( $date_completed ) ) : '';
-    if ( $invoice_date == '' ) {
+    $invoice_date   = $date_completed != '' && $date_completed != '0000-00-00 00:00:00' ? date_i18n($format, strtotime($date_completed)) : '';
+    if ($invoice_date == '') {
         $date_created   = $invoice->get_created_date();
-        $invoice_date   = $date_created != '' && $date_created != '0000-00-00 00:00:00' ? date_i18n( $format, strtotime( $date_created ) ) : '';
+        $invoice_date   = $date_created != '' && $date_created != '0000-00-00 00:00:00' ? date_i18n($format, strtotime($date_created)) : '';
     }
 
     return $invoice_date;
 }
 
-function wpinv_get_invoice_vat_number( $invoice_id = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_vat_number($invoice_id = 0) {
+    $invoice = new WPInv_Invoice($invoice_id);
     
     return $invoice->vat_number;
 }
 
-function wpinv_insert_payment_note( $invoice_id = 0, $note = '', $user_type = false, $added_by_user = false, $system = false ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_insert_payment_note($invoice_id = 0, $note = '', $user_type = false, $added_by_user = false, $system = false) {
+    $invoice = new WPInv_Invoice($invoice_id);
 
-    return $invoice->add_note( $note, $user_type, $added_by_user, $system );
+    return $invoice->add_note($note, $user_type, $added_by_user, $system);
 }
 
-function wpinv_get_invoice_notes( $invoice_id = 0, $type = '' ) {
+function wpinv_get_invoice_notes($invoice_id = 0, $type = '') {
     global $invoicing;
     
-    if ( empty( $invoice_id ) ) {
+    if (empty($invoice_id)) {
         return NULL;
     }
     
-    $notes = $invoicing->notes->get_invoice_notes( $invoice_id, $type );
+    $notes = $invoicing->notes->get_invoice_notes($invoice_id, $type);
     
-    return apply_filters( 'wpinv_invoice_notes', $notes, $invoice_id, $type );
+    return apply_filters('wpinv_invoice_notes', $notes, $invoice_id, $type);
 }
 
-function wpinv_get_payment_key( $invoice_id = 0 ) {
-	$invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_payment_key($invoice_id = 0) {
+	$invoice = new WPInv_Invoice($invoice_id);
     return $invoice->get_key();
 }
 
-function wpinv_get_invoice_number( $invoice_id = 0 ) {
-    $invoice = new WPInv_Invoice( $invoice_id );
+function wpinv_get_invoice_number($invoice_id = 0) {
+    $invoice = new WPInv_Invoice($invoice_id);
     return $invoice->get_number();
 }
 
-function wpinv_get_cart_discountable_subtotal( $code_id ) {
+function wpinv_get_cart_discountable_subtotal($code_id) {
     $cart_items = wpinv_get_cart_content_details();
     $items      = array();
 
-    $excluded_items = wpinv_get_discount_excluded_items( $code_id );
+    $excluded_items = wpinv_get_discount_excluded_items($code_id);
 
-    if( $cart_items ) {
+    if ($cart_items) {
 
-        foreach( $cart_items as $item ) {
+        foreach ($cart_items as $item) {
 
-            if( ! in_array( $item['id'], $excluded_items ) ) {
-                $items[] =  $item;
+            if (!in_array($item['id'], $excluded_items)) {
+                $items[] = $item;
             }
         }
     }
 
-    $subtotal = wpinv_get_cart_items_subtotal( $items );
+    $subtotal = wpinv_get_cart_items_subtotal($items);
 
-    return apply_filters( 'wpinv_get_cart_discountable_subtotal', $subtotal );
+    return apply_filters('wpinv_get_cart_discountable_subtotal', $subtotal);
 }
 
-function wpinv_get_cart_items_subtotal( $items ) {
+function wpinv_get_cart_items_subtotal($items) {
     $subtotal = 0.00;
 
-    if ( is_array( $items ) && ! empty( $items ) ) {
-        $prices = wp_list_pluck( $items, 'subtotal' );
+    if (is_array($items) && !empty($items)) {
+        $prices = wp_list_pluck($items, 'subtotal');
 
-        if( is_array( $prices ) ) {
-            $subtotal = array_sum( $prices );
+        if (is_array($prices)) {
+            $subtotal = array_sum($prices);
         } else {
             $subtotal = 0.00;
         }
 
-        if( $subtotal < 0 ) {
+        if ($subtotal < 0) {
             $subtotal = 0.00;
         }
     }
 
-    return apply_filters( 'wpinv_get_cart_items_subtotal', $subtotal );
+    return apply_filters('wpinv_get_cart_items_subtotal', $subtotal);
 }
 
-function wpinv_get_cart_subtotal( $items = array() ) {
-    $items    = !empty( $items ) ? $items : wpinv_get_cart_content_details();
-    $subtotal = wpinv_get_cart_items_subtotal( $items );
+function wpinv_get_cart_subtotal($items = array()) {
+    $items    = !empty($items) ? $items : wpinv_get_cart_content_details();
+    $subtotal = wpinv_get_cart_items_subtotal($items);
 
-    return apply_filters( 'wpinv_get_cart_subtotal', $subtotal );
+    return apply_filters('wpinv_get_cart_subtotal', $subtotal);
 }
 
-function wpinv_cart_subtotal( $items = array() ) {
-    $price = wpinv_price( wpinv_format_amount( wpinv_get_cart_subtotal( $items ) ) );
+function wpinv_cart_subtotal($items = array()) {
+    $price = wpinv_price(wpinv_format_amount(wpinv_get_cart_subtotal($items)));
 
     return $price;
 }
 
-function wpinv_get_cart_total( $items = array(), $discounts = false, $invoice = array() ) {
-    $subtotal  = (float)wpinv_get_cart_subtotal( $items );
-    $discounts = (float)wpinv_get_cart_discounted_amount( $items );
-    $cart_tax  = (float)wpinv_get_cart_tax( $items );
+function wpinv_get_cart_total($items = array(), $discounts = false, $invoice = array()) {
+    $subtotal  = (float)wpinv_get_cart_subtotal($items);
+    $discounts = (float)wpinv_get_cart_discounted_amount($items);
+    $cart_tax  = (float)wpinv_get_cart_tax($items);
     $fees      = (float)wpinv_get_cart_fee_total();
-    if ( !empty( $invoice ) && $invoice->is_free_trial() ) {
+    if (!empty($invoice) && $invoice->is_free_trial()) {
         $total = 0;
     } else {
-        $total     = $subtotal - $discounts + $cart_tax + $fees;
+        $total = $subtotal - $discounts + $cart_tax + $fees;
     }
 
-    if ( $total < 0 ) {
+    if ($total < 0) {
         $total = 0.00;
     }
     
-    $total = (float)apply_filters( 'wpinv_get_cart_total', $total, $items );
+    $total = (float)apply_filters('wpinv_get_cart_total', $total, $items);
 
-    return wpinv_sanitize_amount( $total );
+    return wpinv_sanitize_amount($total);
 }
 
-function wpinv_cart_total( $cart_items = array(), $echo = true, $invoice = array() ) {
+function wpinv_cart_total($cart_items = array(), $echo = true, $invoice = array()) {
     global $cart_total;
-    $total = wpinv_price( wpinv_format_amount( wpinv_get_cart_total( $cart_items, NULL, $invoice ) ) );
-    $total = apply_filters( 'wpinv_cart_total', $total, $cart_items, $invoice );
+    $total = wpinv_price(wpinv_format_amount(wpinv_get_cart_total($cart_items, NULL, $invoice)));
+    $total = apply_filters('wpinv_cart_total', $total, $cart_items, $invoice);
     
     $cart_total = $total;
 
-    if ( !$echo ) {
+    if (!$echo) {
         return $total;
     }
 
     echo $total;
 }
 
-function wpinv_get_cart_tax( $items = array() ) {
+function wpinv_get_cart_tax($items = array()) {
     $cart_tax = 0;
-    $items    = !empty( $items ) ? $items : wpinv_get_cart_content_details();
+    $items    = !empty($items) ? $items : wpinv_get_cart_content_details();
 
-    if ( $items ) {
-        $taxes = wp_list_pluck( $items, 'tax' );
+    if ($items) {
+        $taxes = wp_list_pluck($items, 'tax');
 
-        if( is_array( $taxes ) ) {
-            $cart_tax = array_sum( $taxes );
+        if (is_array($taxes)) {
+            $cart_tax = array_sum($taxes);
         }
     }
 
     $cart_tax += wpinv_get_cart_fee_tax();
 
-    return apply_filters( 'wpinv_get_cart_tax', wpinv_sanitize_amount( $cart_tax ) );
+    return apply_filters('wpinv_get_cart_tax', wpinv_sanitize_amount($cart_tax));
 }
 
-function wpinv_cart_tax( $items = array(), $echo = false ) {
-    $cart_tax = wpinv_get_cart_tax( $items );
-    $cart_tax = wpinv_price( wpinv_format_amount( $cart_tax ) );
+function wpinv_cart_tax($items = array(), $echo = false) {
+    $cart_tax = wpinv_get_cart_tax($items);
+    $cart_tax = wpinv_price(wpinv_format_amount($cart_tax));
 
-    $tax = apply_filters( 'wpinv_cart_tax', $cart_tax, $items );
+    $tax = apply_filters('wpinv_cart_tax', $cart_tax, $items);
 
-    if ( !$echo ) {
+    if (!$echo) {
         return $tax;
     }
 
     echo $tax;
 }
 
-function wpinv_get_cart_discount_code( $items = array() ) {
+function wpinv_get_cart_discount_code($items = array()) {
     $invoice = wpinv_get_invoice_cart();
-    $cart_discount_code = !empty( $invoice ) ? $invoice->get_discount_code() : '';
+    $cart_discount_code = !empty($invoice) ? $invoice->get_discount_code() : '';
     
-    return apply_filters( 'wpinv_get_cart_discount_code', $cart_discount_code );
+    return apply_filters('wpinv_get_cart_discount_code', $cart_discount_code);
 }
 
-function wpinv_cart_discount_code( $items = array(), $echo = false ) {
-    $cart_discount_code = wpinv_get_cart_discount_code( $items );
+function wpinv_cart_discount_code($items = array(), $echo = false) {
+    $cart_discount_code = wpinv_get_cart_discount_code($items);
 
-    if ( $cart_discount_code != '' ) {
+    if ($cart_discount_code != '') {
         $cart_discount_code = ' (' . $cart_discount_code . ')';
     }
     
-    $discount_code = apply_filters( 'wpinv_cart_discount_code', $cart_discount_code, $items );
+    $discount_code = apply_filters('wpinv_cart_discount_code', $cart_discount_code, $items);
 
-    if ( !$echo ) {
+    if (!$echo) {
         return $discount_code;
     }
 
     echo $discount_code;
 }
 
-function wpinv_get_cart_discount( $items = array() ) {
+function wpinv_get_cart_discount($items = array()) {
     $invoice = wpinv_get_invoice_cart();
-    $cart_discount = !empty( $invoice ) ? $invoice->get_discount() : 0;
+    $cart_discount = !empty($invoice) ? $invoice->get_discount() : 0;
     
-    return apply_filters( 'wpinv_get_cart_discount', wpinv_sanitize_amount( $cart_discount ), $items );
+    return apply_filters('wpinv_get_cart_discount', wpinv_sanitize_amount($cart_discount), $items);
 }
 
-function wpinv_cart_discount( $items = array(), $echo = false ) {
-    $cart_discount = wpinv_get_cart_discount( $items );
-    $cart_discount = wpinv_price( wpinv_format_amount( $cart_discount ) );
+function wpinv_cart_discount($items = array(), $echo = false) {
+    $cart_discount = wpinv_get_cart_discount($items);
+    $cart_discount = wpinv_price(wpinv_format_amount($cart_discount));
 
-    $discount = apply_filters( 'wpinv_cart_discount', $cart_discount, $items );
+    $discount = apply_filters('wpinv_cart_discount', $cart_discount, $items);
 
-    if ( !$echo ) {
+    if (!$echo) {
         return $discount;
     }
 
     echo $discount;
 }
 
-function wpinv_get_cart_fees( $type = 'all', $item_id = 0 ) {
-    $item = new WPInv_Item( $item_id );
+function wpinv_get_cart_fees($type = 'all', $item_id = 0) {
+    $item = new WPInv_Item($item_id);
     
-    return $item->get_fees( $type, $item_id );
+    return $item->get_fees($type, $item_id);
 }
 
 function wpinv_get_cart_fee_total() {
-    $total  = 0;
+    $total = 0;
     $fees = wpinv_get_cart_fees();
     
-    if ( $fees ) {
-        foreach ( $fees as $fee_id => $fee ) {
+    if ($fees) {
+        foreach ($fees as $fee_id => $fee) {
             $total += $fee['amount'];
         }
     }
 
-    return apply_filters( 'wpinv_get_cart_fee_total', $total );
+    return apply_filters('wpinv_get_cart_fee_total', $total);
 }
 
 function wpinv_get_cart_fee_tax() {
     $tax  = 0;
     $fees = wpinv_get_cart_fees();
 
-    if ( $fees ) {
-        foreach ( $fees as $fee_id => $fee ) {
-            if( ! empty( $fee['no_tax'] ) ) {
+    if ($fees) {
+        foreach ($fees as $fee_id => $fee) {
+            if (!empty($fee['no_tax'])) {
                 continue;
             }
 
-            $tax += wpinv_calculate_tax( $fee['amount'] );
+            $tax += wpinv_calculate_tax($fee['amount']);
         }
     }
 
-    return apply_filters( 'wpinv_get_cart_fee_tax', $tax );
+    return apply_filters('wpinv_get_cart_fee_tax', $tax);
 }
 
 function wpinv_cart_has_recurring_item() {
     $cart_items = wpinv_get_cart_contents();
     
-    if ( empty( $cart_items ) ) {
+    if (empty($cart_items)) {
         return false;
     }
     
     $has_subscription = false;
-    foreach( $cart_items as $cart_item ) {
-        if ( !empty( $cart_item['id'] ) && wpinv_is_recurring_item( $cart_item['id'] )  ) {
+    foreach ($cart_items as $cart_item) {
+        if (!empty($cart_item['id']) && wpinv_is_recurring_item($cart_item['id'])) {
             $has_subscription = true;
             break;
         }
     }
     
-    return apply_filters( 'wpinv_cart_has_recurring_item', $has_subscription, $cart_items );
+    return apply_filters('wpinv_cart_has_recurring_item', $has_subscription, $cart_items);
 }
 
 function wpinv_cart_has_free_trial() {
@@ -893,94 +893,94 @@ 
     
     $free_trial = false;
     
-    if ( !empty( $invoice ) && $invoice->is_free_trial() ) {
+    if (!empty($invoice) && $invoice->is_free_trial()) {
         $free_trial = true;
     }
     
-    return apply_filters( 'wpinv_cart_has_free_trial', $free_trial, $invoice );
+    return apply_filters('wpinv_cart_has_free_trial', $free_trial, $invoice);
 }
 
 function wpinv_get_cart_contents() {
     $cart_details = wpinv_get_cart_details();
     
-    return apply_filters( 'wpinv_get_cart_contents', $cart_details );
+    return apply_filters('wpinv_get_cart_contents', $cart_details);
 }
 
 function wpinv_get_cart_content_details() {
     global $wpinv_euvat, $wpi_current_id, $wpi_item_id, $wpinv_is_last_cart_item, $wpinv_flat_discount_total;
     $cart_items = wpinv_get_cart_contents();
     
-    if ( empty( $cart_items ) ) {
+    if (empty($cart_items)) {
         return false;
     }
     $invoice = wpinv_get_invoice_cart();
 
     $details = array();
-    $length  = count( $cart_items ) - 1;
+    $length  = count($cart_items) - 1;
     
-    if ( empty( $_POST['country'] ) ) {
+    if (empty($_POST['country'])) {
         $_POST['country'] = $invoice->country;
     }
-    if ( !isset( $_POST['state'] ) ) {
+    if (!isset($_POST['state'])) {
         $_POST['state'] = $invoice->state;
     }
 
-    foreach( $cart_items as $key => $item ) {
-        $item_id            = isset( $item['id'] ) ? sanitize_text_field( $item['id'] ) : '';
-        if ( empty( $item_id ) ) {
+    foreach ($cart_items as $key => $item) {
+        $item_id = isset($item['id']) ? sanitize_text_field($item['id']) : '';
+        if (empty($item_id)) {
             continue;
         }
         
         $wpi_current_id         = $invoice->ID;
         $wpi_item_id            = $item_id;
         
-        if ( isset( $item['custom_price'] ) && $item['custom_price'] !== '' ) {
+        if (isset($item['custom_price']) && $item['custom_price'] !== '') {
             $item_price = $item['custom_price'];
         } else {
-            if ( isset( $item['item_price'] ) && $item['item_price'] !== '' && $item['item_price'] !== false ) {
+            if (isset($item['item_price']) && $item['item_price'] !== '' && $item['item_price'] !== false) {
                 $item_price = $item['item_price'];
             } else {
-                $item_price = wpinv_get_item_price( $item_id );
+                $item_price = wpinv_get_item_price($item_id);
             }
         }
-        $discount           = wpinv_get_cart_item_discount_amount( $item );
-        $discount           = apply_filters( 'wpinv_get_cart_content_details_item_discount_amount', $discount, $item );
-        $quantity           = wpinv_get_cart_item_quantity( $item );
-        $fees               = wpinv_get_cart_fees( 'fee', $item_id );
+        $discount           = wpinv_get_cart_item_discount_amount($item);
+        $discount           = apply_filters('wpinv_get_cart_content_details_item_discount_amount', $discount, $item);
+        $quantity           = wpinv_get_cart_item_quantity($item);
+        $fees               = wpinv_get_cart_fees('fee', $item_id);
         
         $subtotal           = $item_price * $quantity;
-        $tax_rate           = wpinv_get_tax_rate( $_POST['country'], $_POST['state'], $wpi_item_id );
-        $tax_class          = $wpinv_euvat->get_item_class( $item_id );
-        $tax                = wpinv_get_cart_item_tax( $item_id, $subtotal - $discount );
+        $tax_rate           = wpinv_get_tax_rate($_POST['country'], $_POST['state'], $wpi_item_id);
+        $tax_class          = $wpinv_euvat->get_item_class($item_id);
+        $tax                = wpinv_get_cart_item_tax($item_id, $subtotal - $discount);
         
-        if ( wpinv_prices_include_tax() ) {
-            $subtotal -= wpinv_round_amount( $tax );
+        if (wpinv_prices_include_tax()) {
+            $subtotal -= wpinv_round_amount($tax);
         }
         
-        $total              = $subtotal - $discount + $tax;
+        $total = $subtotal - $discount + $tax;
         
         // Do not allow totals to go negatve
-        if( $total < 0 ) {
+        if ($total < 0) {
             $total = 0;
         }
         
-        $details[ $key ]  = array(
+        $details[$key] = array(
             'id'                => $item_id,
-            'name'              => !empty($item['name']) ? $item['name'] : get_the_title( $item_id ),
-            'item_price'        => wpinv_round_amount( $item_price ),
-            'custom_price'      => isset( $item['custom_price'] ) ? $item['custom_price'] : '',
+            'name'              => !empty($item['name']) ? $item['name'] : get_the_title($item_id),
+            'item_price'        => wpinv_round_amount($item_price),
+            'custom_price'      => isset($item['custom_price']) ? $item['custom_price'] : '',
             'quantity'          => $quantity,
-            'discount'          => wpinv_round_amount( $discount ),
-            'subtotal'          => wpinv_round_amount( $subtotal ),
-            'tax'               => wpinv_round_amount( $tax ),
-            'price'             => wpinv_round_amount( $total ),
+            'discount'          => wpinv_round_amount($discount),
+            'subtotal'          => wpinv_round_amount($subtotal),
+            'tax'               => wpinv_round_amount($tax),
+            'price'             => wpinv_round_amount($total),
             'vat_rates_class'   => $tax_class,
             'vat_rate'          => $tax_rate,
-            'meta'              => isset( $item['meta'] ) ? $item['meta'] : array(),
+            'meta'              => isset($item['meta']) ? $item['meta'] : array(),
             'fees'              => $fees,
         );
         
-        if ( $wpinv_is_last_cart_item ) {
+        if ($wpinv_is_last_cart_item) {
             $wpinv_is_last_cart_item   = false;
             $wpinv_flat_discount_total = 0.00;
         }
@@ -989,60 +989,60 @@ 
     return $details;
 }
 
-function wpinv_get_cart_details( $invoice_id = 0 ) {
+function wpinv_get_cart_details($invoice_id = 0) {
     global $ajax_cart_details;
 
-    $invoice      = wpinv_get_invoice_cart( $invoice_id );
-    $cart_details = !empty( $ajax_cart_details ) ? $ajax_cart_details : $invoice->cart_details;
+    $invoice      = wpinv_get_invoice_cart($invoice_id);
+    $cart_details = !empty($ajax_cart_details) ? $ajax_cart_details : $invoice->cart_details;
 
     $invoice_currency = $invoice->currency;
 
-    if ( ! empty( $cart_details ) && is_array( $cart_details ) ) {
-        foreach ( $cart_details as $key => $cart_item ) {
-            $cart_details[ $key ]['currency'] = $invoice_currency;
+    if (!empty($cart_details) && is_array($cart_details)) {
+        foreach ($cart_details as $key => $cart_item) {
+            $cart_details[$key]['currency'] = $invoice_currency;
 
-            if ( ! isset( $cart_item['subtotal'] ) ) {
-                $cart_details[ $key ]['subtotal'] = $cart_item['price'];
+            if (!isset($cart_item['subtotal'])) {
+                $cart_details[$key]['subtotal'] = $cart_item['price'];
             }
         }
     }
 
-    return apply_filters( 'wpinv_get_cart_details', $cart_details, $invoice_id );
+    return apply_filters('wpinv_get_cart_details', $cart_details, $invoice_id);
 }
 
-function wpinv_record_status_change( $invoice_id, $new_status, $old_status ) {
-    if ( 'wpi_invoice' != get_post_type( $invoice_id ) ) {
+function wpinv_record_status_change($invoice_id, $new_status, $old_status) {
+    if ('wpi_invoice' != get_post_type($invoice_id)) {
         return;
     }
 
-    $invoice    = wpinv_get_invoice( $invoice_id );
+    $invoice    = wpinv_get_invoice($invoice_id);
     
-    $old_status = wpinv_status_nicename( $old_status );
-    $new_status = wpinv_status_nicename( $new_status );
+    $old_status = wpinv_status_nicename($old_status);
+    $new_status = wpinv_status_nicename($new_status);
 
-    $status_change = sprintf( __( 'Invoice status changed from %s to %s', 'invoicing' ), $old_status, $new_status );
+    $status_change = sprintf(__('Invoice status changed from %s to %s', 'invoicing'), $old_status, $new_status);
     
     // Add note
-    return $invoice->add_note( $status_change, false, false, true );
+    return $invoice->add_note($status_change, false, false, true);
 }
-add_action( 'wpinv_update_status', 'wpinv_record_status_change', 100, 3 );
+add_action('wpinv_update_status', 'wpinv_record_status_change', 100, 3);
 
-function wpinv_complete_payment( $invoice_id, $new_status, $old_status ) {
+function wpinv_complete_payment($invoice_id, $new_status, $old_status) {
     global $wpi_has_free_trial;
     
     $wpi_has_free_trial = false;
     
-    if ( $old_status == 'publish' ) {
+    if ($old_status == 'publish') {
         return; // Make sure that payments are only paid once
     }
 
     // Make sure the payment completion is only processed when new status is paid
-    if ( $new_status != 'publish' ) {
+    if ($new_status != 'publish') {
         return;
     }
 
-    $invoice = new WPInv_Invoice( $invoice_id );
-    if ( empty( $invoice ) ) {
+    $invoice = new WPInv_Invoice($invoice_id);
+    if (empty($invoice)) {
         return;
     }
 
@@ -1050,58 +1050,58 @@ 
     $completed_date = $invoice->completed_date;
     $cart_details   = $invoice->cart_details;
 
-    do_action( 'wpinv_pre_complete_payment', $invoice_id );
+    do_action('wpinv_pre_complete_payment', $invoice_id);
 
-    if ( is_array( $cart_details ) ) {
+    if (is_array($cart_details)) {
         // Increase purchase count and earnings
-        foreach ( $cart_details as $cart_index => $item ) {
+        foreach ($cart_details as $cart_index => $item) {
             // Ensure these actions only run once, ever
-            if ( empty( $completed_date ) ) {
-                do_action( 'wpinv_complete_item_payment', $item['id'], $invoice_id, $item, $cart_index );
+            if (empty($completed_date)) {
+                do_action('wpinv_complete_item_payment', $item['id'], $invoice_id, $item, $cart_index);
             }
         }
     }
     
     // Check for discount codes and increment their use counts
-    if ( $discounts = $invoice->get_discounts( true ) ) {
-        if( ! empty( $discounts ) ) {
-            foreach( $discounts as $code ) {
-                wpinv_increase_discount_usage( $code );
+    if ($discounts = $invoice->get_discounts(true)) {
+        if (!empty($discounts)) {
+            foreach ($discounts as $code) {
+                wpinv_increase_discount_usage($code);
             }
         }
     }
     
     // Ensure this action only runs once ever
-    if( empty( $completed_date ) ) {
+    if (empty($completed_date)) {
         // Save the completed date
-        $invoice->set( 'completed_date', current_time( 'mysql', 0 ) );
+        $invoice->set('completed_date', current_time('mysql', 0));
         $invoice->save();
 
-        do_action( 'wpinv_complete_payment', $invoice_id );
+        do_action('wpinv_complete_payment', $invoice_id);
     }
 
     // Empty the shopping cart
     wpinv_empty_cart();
 }
-add_action( 'wpinv_update_status', 'wpinv_complete_payment', 100, 3 );
+add_action('wpinv_update_status', 'wpinv_complete_payment', 100, 3);
 
-function wpinv_update_payment_status( $invoice_id, $new_status = 'publish' ) {    
-    $invoice = !empty( $invoice_id ) && is_object( $invoice_id ) ? $invoice_id : wpinv_get_invoice( (int)$invoice_id );
+function wpinv_update_payment_status($invoice_id, $new_status = 'publish') {    
+    $invoice = !empty($invoice_id) && is_object($invoice_id) ? $invoice_id : wpinv_get_invoice((int)$invoice_id);
     
-    if ( empty( $invoice ) ) {
+    if (empty($invoice)) {
         return false;
     }
     
-    return $invoice->update_status( $new_status );
+    return $invoice->update_status($new_status);
 }
 
-function wpinv_cart_has_fees( $type = 'all' ) {
+function wpinv_cart_has_fees($type = 'all') {
     return false;
 }
 
 function wpinv_validate_checkout_fields() {    
     // Check if there is $_POST
-    if ( empty( $_POST ) ) {
+    if (empty($_POST)) {
         return false;
     }
     
@@ -1113,7 +1113,7 @@ 
     );
     
     // Validate agree to terms
-    if ( wpinv_get_option( 'show_agree_to_terms', false ) ) {
+    if (wpinv_get_option('show_agree_to_terms', false)) {
         wpinv_checkout_validate_agree_to_terms();
     }
     
@@ -1129,26 +1129,26 @@ 
     
     $invoice = wpinv_get_invoice_cart();
     $has_subscription = $invoice->is_recurring();
-    if ( empty( $invoice ) ) {
-        wpinv_set_error( 'invalid_invoice', __( 'Your cart is empty.', 'invoicing' ) );
+    if (empty($invoice)) {
+        wpinv_set_error('invalid_invoice', __('Your cart is empty.', 'invoicing'));
         return $gateway;
     }
 
     // Check if a gateway value is present
-    if ( !empty( $_REQUEST['wpi-gateway'] ) ) {
-        $gateway = sanitize_text_field( $_REQUEST['wpi-gateway'] );
+    if (!empty($_REQUEST['wpi-gateway'])) {
+        $gateway = sanitize_text_field($_REQUEST['wpi-gateway']);
 
-        if ( $invoice->is_free() ) {
+        if ($invoice->is_free()) {
             $gateway = 'manual';
-        } elseif ( !wpinv_is_gateway_active( $gateway ) ) {
-            wpinv_set_error( 'invalid_gateway', __( 'The selected payment gateway is not enabled', 'invoicing' ) );
-        } elseif ( $has_subscription && !wpinv_gateway_support_subscription( $gateway ) ) {
-            wpinv_set_error( 'invalid_gateway', __( 'The selected payment gateway doesnot support subscription payment', 'invoicing' ) );
+        } elseif (!wpinv_is_gateway_active($gateway)) {
+            wpinv_set_error('invalid_gateway', __('The selected payment gateway is not enabled', 'invoicing'));
+        } elseif ($has_subscription && !wpinv_gateway_support_subscription($gateway)) {
+            wpinv_set_error('invalid_gateway', __('The selected payment gateway doesnot support subscription payment', 'invoicing'));
         }
     }
 
-    if ( $has_subscription && count( wpinv_get_cart_contents() ) > 1 ) {
-        wpinv_set_error( 'subscription_invalid', __( 'Only one subscription may be purchased through payment per checkout.', 'invoicing' ) );
+    if ($has_subscription && count(wpinv_get_cart_contents()) > 1) {
+        wpinv_set_error('subscription_invalid', __('Only one subscription may be purchased through payment per checkout.', 'invoicing'));
     }
 
     return $gateway;
@@ -1162,10 +1162,10 @@ 
     
     $error = false;
     // If we have discounts, loop through them
-    if ( ! empty( $discounts ) ) {
-        foreach ( $discounts as $discount ) {
+    if (!empty($discounts)) {
+        foreach ($discounts as $discount) {
             // Check if valid
-            if (  !wpinv_is_discount_valid( $discount, (int)$wpi_cart->get_user_id() ) ) {
+            if (!wpinv_is_discount_valid($discount, (int)$wpi_cart->get_user_id())) {
                 // Discount is not valid
                 $error = true;
             }
@@ -1175,20 +1175,20 @@ 
         return NULL;
     }
 
-    if ( $error && !wpinv_get_errors() ) {
-        wpinv_set_error( 'invalid_discount', __( 'Discount code you entered is invalid', 'invoicing' ) );
+    if ($error && !wpinv_get_errors()) {
+        wpinv_set_error('invalid_discount', __('Discount code you entered is invalid', 'invoicing'));
     }
 
-    return implode( ',', $discounts );
+    return implode(',', $discounts);
 }
 
 function wpinv_checkout_validate_cc() {
     $card_data = wpinv_checkout_get_cc_info();
 
     // Validate the card zip
-    if ( !empty( $card_data['wpinv_zip'] ) ) {
-        if ( !wpinv_checkout_validate_cc_zip( $card_data['wpinv_zip'], $card_data['wpinv_country'] ) ) {
-            wpinv_set_error( 'invalid_cc_zip', __( 'The zip / postcode you entered for your billing address is invalid', 'invoicing' ) );
+    if (!empty($card_data['wpinv_zip'])) {
+        if (!wpinv_checkout_validate_cc_zip($card_data['wpinv_zip'], $card_data['wpinv_country'])) {
+            wpinv_set_error('invalid_cc_zip', __('The zip / postcode you entered for your billing address is invalid', 'invoicing'));
         }
     }
 
@@ -1198,28 +1198,28 @@ 
 
 function wpinv_checkout_get_cc_info() {
 	$cc_info = array();
-	$cc_info['card_name']      = isset( $_POST['card_name'] )       ? sanitize_text_field( $_POST['card_name'] )       : '';
-	$cc_info['card_number']    = isset( $_POST['card_number'] )     ? sanitize_text_field( $_POST['card_number'] )     : '';
-	$cc_info['card_cvc']       = isset( $_POST['card_cvc'] )        ? sanitize_text_field( $_POST['card_cvc'] )        : '';
-	$cc_info['card_exp_month'] = isset( $_POST['card_exp_month'] )  ? sanitize_text_field( $_POST['card_exp_month'] )  : '';
-	$cc_info['card_exp_year']  = isset( $_POST['card_exp_year'] )   ? sanitize_text_field( $_POST['card_exp_year'] )   : '';
-	$cc_info['card_address']   = isset( $_POST['wpinv_address'] )  ? sanitize_text_field( $_POST['wpinv_address'] ) : '';
-	$cc_info['card_city']      = isset( $_POST['wpinv_city'] )     ? sanitize_text_field( $_POST['wpinv_city'] )    : '';
-	$cc_info['card_state']     = isset( $_POST['wpinv_state'] )    ? sanitize_text_field( $_POST['wpinv_state'] )   : '';
-	$cc_info['card_country']   = isset( $_POST['wpinv_country'] )  ? sanitize_text_field( $_POST['wpinv_country'] ) : '';
-	$cc_info['card_zip']       = isset( $_POST['wpinv_zip'] )      ? sanitize_text_field( $_POST['wpinv_zip'] )     : '';
+	$cc_info['card_name']      = isset($_POST['card_name']) ? sanitize_text_field($_POST['card_name']) : '';
+	$cc_info['card_number']    = isset($_POST['card_number']) ? sanitize_text_field($_POST['card_number']) : '';
+	$cc_info['card_cvc']       = isset($_POST['card_cvc']) ? sanitize_text_field($_POST['card_cvc']) : '';
+	$cc_info['card_exp_month'] = isset($_POST['card_exp_month']) ? sanitize_text_field($_POST['card_exp_month']) : '';
+	$cc_info['card_exp_year']  = isset($_POST['card_exp_year']) ? sanitize_text_field($_POST['card_exp_year']) : '';
+	$cc_info['card_address']   = isset($_POST['wpinv_address']) ? sanitize_text_field($_POST['wpinv_address']) : '';
+	$cc_info['card_city']      = isset($_POST['wpinv_city']) ? sanitize_text_field($_POST['wpinv_city']) : '';
+	$cc_info['card_state']     = isset($_POST['wpinv_state']) ? sanitize_text_field($_POST['wpinv_state']) : '';
+	$cc_info['card_country']   = isset($_POST['wpinv_country']) ? sanitize_text_field($_POST['wpinv_country']) : '';
+	$cc_info['card_zip']       = isset($_POST['wpinv_zip']) ? sanitize_text_field($_POST['wpinv_zip']) : '';
 
 	// Return cc info
 	return $cc_info;
 }
 
-function wpinv_checkout_validate_cc_zip( $zip = 0, $country_code = '' ) {
+function wpinv_checkout_validate_cc_zip($zip = 0, $country_code = '') {
     $ret = false;
 
-    if ( empty( $zip ) || empty( $country_code ) )
+    if (empty($zip) || empty($country_code))
         return $ret;
 
-    $country_code = strtoupper( $country_code );
+    $country_code = strtoupper($country_code);
 
     $zip_regex = array(
         "AD" => "AD\d{3}",
@@ -1379,17 +1379,17 @@ 
         "ZM" => "\d{5}"
     );
 
-    if ( ! isset ( $zip_regex[ $country_code ] ) || preg_match( "/" . $zip_regex[ $country_code ] . "/i", $zip ) )
+    if (!isset ($zip_regex[$country_code]) || preg_match("/" . $zip_regex[$country_code] . "/i", $zip))
         $ret = true;
 
-    return apply_filters( 'wpinv_is_zip_valid', $ret, $zip, $country_code );
+    return apply_filters('wpinv_is_zip_valid', $ret, $zip, $country_code);
 }
 
 function wpinv_checkout_validate_agree_to_terms() {
     // Validate agree to terms
-    if ( ! isset( $_POST['wpi_agree_to_terms'] ) || $_POST['wpi_agree_to_terms'] != 1 ) {
+    if (!isset($_POST['wpi_agree_to_terms']) || $_POST['wpi_agree_to_terms'] != 1) {
         // User did not agree
-        wpinv_set_error( 'agree_to_terms', apply_filters( 'wpinv_agree_to_terms_text', __( 'You must agree to the terms of use', 'invoicing' ) ) );
+        wpinv_set_error('agree_to_terms', apply_filters('wpinv_agree_to_terms_text', __('You must agree to the terms of use', 'invoicing')));
     }
 }
 
@@ -1401,40 +1401,40 @@ 
     );
     
     // Verify there is a user_ID
-    if ( $user_ID = (int)$wpi_cart->get_user_id() ) {
+    if ($user_ID = (int)$wpi_cart->get_user_id()) {
         // Get the logged in user data
-        $user_data = get_userdata( $user_ID );
-        $required_fields  = wpinv_checkout_required_fields();
+        $user_data = get_userdata($user_ID);
+        $required_fields = wpinv_checkout_required_fields();
 
         // Loop through required fields and show error messages
-         if ( !empty( $required_fields ) ) {
-            foreach ( $required_fields as $field_name => $value ) {
-                if ( in_array( $value, $required_fields ) && empty( $_POST[ 'wpinv_' . $field_name ] ) ) {
-                    wpinv_set_error( $value['error_id'], $value['error_message'] );
+         if (!empty($required_fields)) {
+            foreach ($required_fields as $field_name => $value) {
+                if (in_array($value, $required_fields) && empty($_POST['wpinv_' . $field_name])) {
+                    wpinv_set_error($value['error_id'], $value['error_message']);
                 }
             }
         }
 
         // Verify data
-        if ( $user_data ) {
+        if ($user_data) {
             // Collected logged in user data
             $valid_user_data = array(
                 'user_id'     => $user_ID,
-                'email'       => isset( $_POST['wpinv_email'] ) ? sanitize_email( $_POST['wpinv_email'] ) : $user_data->user_email,
-                'first_name'  => isset( $_POST['wpinv_first_name'] ) && ! empty( $_POST['wpinv_first_name'] ) ? sanitize_text_field( $_POST['wpinv_first_name'] ) : $user_data->first_name,
-                'last_name'   => isset( $_POST['wpinv_last_name'] ) && ! empty( $_POST['wpinv_last_name']  ) ? sanitize_text_field( $_POST['wpinv_last_name']  ) : $user_data->last_name,
+                'email'       => isset($_POST['wpinv_email']) ? sanitize_email($_POST['wpinv_email']) : $user_data->user_email,
+                'first_name'  => isset($_POST['wpinv_first_name']) && !empty($_POST['wpinv_first_name']) ? sanitize_text_field($_POST['wpinv_first_name']) : $user_data->first_name,
+                'last_name'   => isset($_POST['wpinv_last_name']) && !empty($_POST['wpinv_last_name']) ? sanitize_text_field($_POST['wpinv_last_name']) : $user_data->last_name,
             );
 
-            if ( !empty( $_POST[ 'wpinv_email' ] ) && !is_email( $_POST[ 'wpinv_email' ] ) ) {
-                wpinv_set_error( 'invalid_email', __( 'Please enter a valid email address', 'invoicing' ) );
+            if (!empty($_POST['wpinv_email']) && !is_email($_POST['wpinv_email'])) {
+                wpinv_set_error('invalid_email', __('Please enter a valid email address', 'invoicing'));
             }
         } else {
             // Set invalid user error
-            wpinv_set_error( 'invalid_user', __( 'The user billing information is invalid', 'invoicing' ) );
+            wpinv_set_error('invalid_user', __('The user billing information is invalid', 'invoicing'));
         }
     } else {
         // Set invalid user error
-        wpinv_set_error( 'invalid_user_id', __( 'The invalid invoice user id', 'invoicing' ) );
+        wpinv_set_error('invalid_user_id', __('The invalid invoice user id', 'invoicing'));
     }
 
     // Return user data
@@ -1446,30 +1446,30 @@ 
 
     $data = array();
     
-    if ( is_user_logged_in() ) {
-        if ( !wpinv_require_login_to_checkout() || ( wpinv_require_login_to_checkout() && (int)$wpi_cart->get_user_id() === (int)get_current_user_id() ) ) {
+    if (is_user_logged_in()) {
+        if (!wpinv_require_login_to_checkout() || (wpinv_require_login_to_checkout() && (int)$wpi_cart->get_user_id() === (int)get_current_user_id())) {
             $data['user_id'] = (int)get_current_user_id();
         } else {
-            wpinv_set_error( 'logged_in_only', __( 'You are not allowed to pay for this invoice', 'invoicing' ) );
+            wpinv_set_error('logged_in_only', __('You are not allowed to pay for this invoice', 'invoicing'));
         }
     } else {
         // If guest checkout allowed
-        if ( !wpinv_require_login_to_checkout() ) {
+        if (!wpinv_require_login_to_checkout()) {
             $data['user_id'] = 0;
         } else {
-            wpinv_set_error( 'logged_in_only', __( 'You must be logged in to pay for this invoice', 'invoicing' ) );
+            wpinv_set_error('logged_in_only', __('You must be logged in to pay for this invoice', 'invoicing'));
         }
     }
 
     return $data;
 }
 
-function wpinv_checkout_form_get_user( $valid_data = array() ) {
+function wpinv_checkout_form_get_user($valid_data = array()) {
     // Initialize user
     $user    = false;
-    $is_ajax = defined( 'DOING_AJAX' ) && DOING_AJAX;
+    $is_ajax = defined('DOING_AJAX') && DOING_AJAX;
 
-    if ( empty( $valid_data['current_user'] ) ) {
+    if (empty($valid_data['current_user'])) {
         $user = false;
     } else {
         // Set the valid invoice user
@@ -1477,7 +1477,7 @@ 
     }
 
     // Verify invoice have an user
-    if ( false === $user || empty( $user ) ) {
+    if (false === $user || empty($user)) {
         return false;
     }
 
@@ -1494,11 +1494,11 @@ 
         'zip',
     );
     
-    foreach ( $address_fields as $field ) {
-        $user[$field]  = !empty( $_POST['wpinv_' . $field] ) ? sanitize_text_field( $_POST['wpinv_' . $field] ) : false;
+    foreach ($address_fields as $field) {
+        $user[$field] = !empty($_POST['wpinv_' . $field]) ? sanitize_text_field($_POST['wpinv_' . $field]) : false;
         
-        if ( !empty( $user['user_id'] ) && !empty( $valid_data['current_user']['user_id'] ) && $valid_data['current_user']['user_id'] == $user['user_id'] ) {
-            update_user_meta( $user['user_id'], '_wpinv_' . $field, $user[$field] );
+        if (!empty($user['user_id']) && !empty($valid_data['current_user']['user_id']) && $valid_data['current_user']['user_id'] == $user['user_id']) {
+            update_user_meta($user['user_id'], '_wpinv_' . $field, $user[$field]);
         }
     }
 
@@ -1506,28 +1506,28 @@ 
     return $user;
 }
 
-function wpinv_set_checkout_session( $invoice_data = array() ) {
+function wpinv_set_checkout_session($invoice_data = array()) {
     global $wpi_session;
     
-    return $wpi_session->set( 'wpinv_checkout', $invoice_data );
+    return $wpi_session->set('wpinv_checkout', $invoice_data);
 }
 
 function wpinv_get_checkout_session() {
 	global $wpi_session;
     
-    return $wpi_session->get( 'wpinv_checkout' );
+    return $wpi_session->get('wpinv_checkout');
 }
 
 function wpinv_empty_cart() {
     global $wpi_session;
 
     // Remove cart contents
-    $wpi_session->set( 'wpinv_checkout', NULL );
+    $wpi_session->set('wpinv_checkout', NULL);
 
     // Remove all cart fees
-    $wpi_session->set( 'wpi_cart_fees', NULL );
+    $wpi_session->set('wpi_cart_fees', NULL);
 
-    do_action( 'wpinv_empty_cart' );
+    do_action('wpinv_empty_cart');
 }
 
 function wpinv_process_checkout() {
@@ -1540,42 +1540,42 @@ 
     
     $wpi_checkout_id = $invoice->ID;
     
-    do_action( 'wpinv_pre_process_checkout' );
+    do_action('wpinv_pre_process_checkout');
     
-    if ( !wpinv_get_cart_contents() ) { // Make sure the cart isn't empty
+    if (!wpinv_get_cart_contents()) { // Make sure the cart isn't empty
         $valid_data = false;
-        wpinv_set_error( 'empty_cart', __( 'Your cart is empty', 'invoicing' ) );
+        wpinv_set_error('empty_cart', __('Your cart is empty', 'invoicing'));
     } else {
         // Validate the form $_POST data
         $valid_data = wpinv_validate_checkout_fields();
         
         // Allow themes and plugins to hook to errors
-        do_action( 'wpinv_checkout_error_checks', $valid_data, $_POST );
+        do_action('wpinv_checkout_error_checks', $valid_data, $_POST);
     }
     
-    $is_ajax    = defined( 'DOING_AJAX' ) && DOING_AJAX;
+    $is_ajax = defined('DOING_AJAX') && DOING_AJAX;
     
     // Validate the user
-    $user = wpinv_checkout_form_get_user( $valid_data );
+    $user = wpinv_checkout_form_get_user($valid_data);
 
     // Let extensions validate fields after user is logged in if user has used login/registration form
-    do_action( 'wpinv_checkout_user_error_checks', $user, $valid_data, $_POST );
+    do_action('wpinv_checkout_user_error_checks', $user, $valid_data, $_POST);
     
-    if ( false === $valid_data || wpinv_get_errors() || ! $user ) {
-        if ( $is_ajax ) {
-            do_action( 'wpinv_ajax_checkout_errors' );
+    if (false === $valid_data || wpinv_get_errors() || !$user) {
+        if ($is_ajax) {
+            do_action('wpinv_ajax_checkout_errors');
             die();
         } else {
             return false;
         }
     }
 
-    if ( $is_ajax ) {
+    if ($is_ajax) {
         // Save address fields.
-        $address_fields = array( 'first_name', 'last_name', 'phone', 'address', 'city', 'country', 'state', 'zip', 'company' );
-        foreach ( $address_fields as $field ) {
-            if ( isset( $user[$field] ) ) {
-                $invoice->set( $field, $user[$field] );
+        $address_fields = array('first_name', 'last_name', 'phone', 'address', 'city', 'country', 'state', 'zip', 'company');
+        foreach ($address_fields as $field) {
+            if (isset($user[$field])) {
+                $invoice->set($field, $user[$field]);
             }
             
             $invoice->save();
@@ -1583,15 +1583,15 @@ 
 
         $response['success']            = true;
         $response['data']['subtotal']   = $invoice->get_subtotal();
-        $response['data']['subtotalf']  = $invoice->get_subtotal( true );
+        $response['data']['subtotalf']  = $invoice->get_subtotal(true);
         $response['data']['discount']   = $invoice->get_discount();
-        $response['data']['discountf']  = $invoice->get_discount( true );
+        $response['data']['discountf']  = $invoice->get_discount(true);
         $response['data']['tax']        = $invoice->get_tax();
-        $response['data']['taxf']       = $invoice->get_tax( true );
+        $response['data']['taxf']       = $invoice->get_tax(true);
         $response['data']['total']      = $invoice->get_total();
-        $response['data']['totalf']     = $invoice->get_total( true );
+        $response['data']['totalf']     = $invoice->get_total(true);
         
-        wp_send_json( $response );
+        wp_send_json($response);
     }
     
     $user_info = array(
@@ -1613,42 +1613,42 @@ 
     
     // Setup invoice information
     $invoice_data = array(
-        'invoice_id'        => !empty( $invoice ) ? $invoice->ID : 0,
+        'invoice_id'        => !empty($invoice) ? $invoice->ID : 0,
         'items'             => $cart_items,
         'cart_discounts'    => $discounts,
-        'fees'              => wpinv_get_cart_fees(),        // Any arbitrary fees that have been added to the cart
-        'subtotal'          => wpinv_get_cart_subtotal( $cart_items ),    // Amount before taxes and discounts
-        'discount'          => wpinv_get_cart_items_discount_amount( $cart_items, $discounts ), // Discounted amount
-        'tax'               => wpinv_get_cart_tax( $cart_items ),               // Taxed amount
-        'price'             => wpinv_get_cart_total( $cart_items, $discounts ),    // Amount after taxes
+        'fees'              => wpinv_get_cart_fees(), // Any arbitrary fees that have been added to the cart
+        'subtotal'          => wpinv_get_cart_subtotal($cart_items), // Amount before taxes and discounts
+        'discount'          => wpinv_get_cart_items_discount_amount($cart_items, $discounts), // Discounted amount
+        'tax'               => wpinv_get_cart_tax($cart_items), // Taxed amount
+        'price'             => wpinv_get_cart_total($cart_items, $discounts), // Amount after taxes
         'invoice_key'       => $invoice->get_key() ? $invoice->get_key() : $invoice->generate_key(),
         'user_email'        => $user['email'],
-        'date'              => date( 'Y-m-d H:i:s', current_time( 'timestamp' ) ),
-        'user_info'         => stripslashes_deep( $user_info ),
+        'date'              => date('Y-m-d H:i:s', current_time('timestamp')),
+        'user_info'         => stripslashes_deep($user_info),
         'post_data'         => $_POST,
         'cart_details'      => $cart_items,
         'gateway'           => $valid_data['gateway'],
         'card_info'         => $valid_data['cc_info']
     );
     
-    $vat_info   = $wpinv_euvat->current_vat_data();
-    if ( is_array( $vat_info ) ) {
+    $vat_info = $wpinv_euvat->current_vat_data();
+    if (is_array($vat_info)) {
         $invoice_data['user_info']['vat_number']        = $vat_info['number'];
         $invoice_data['user_info']['vat_rate']          = wpinv_get_tax_rate($invoice_data['user_info']['country'], $invoice_data['user_info']['state']);
-        $invoice_data['user_info']['adddress_confirmed']    = isset($vat_info['adddress_confirmed']) ? $vat_info['adddress_confirmed'] : false;
+        $invoice_data['user_info']['adddress_confirmed'] = isset($vat_info['adddress_confirmed']) ? $vat_info['adddress_confirmed'] : false;
 
         // Add the VAT rate to each item in the cart
-        foreach( $invoice_data['cart_details'] as $key => $item_data) {
+        foreach ($invoice_data['cart_details'] as $key => $item_data) {
             $rate = wpinv_get_tax_rate($invoice_data['user_info']['country'], $invoice_data['user_info']['state'], $item_data['id']);
-            $invoice_data['cart_details'][$key]['vat_rate'] = wpinv_round_amount( $rate, 4 );
+            $invoice_data['cart_details'][$key]['vat_rate'] = wpinv_round_amount($rate, 4);
         }
     }
     
     // Save vat fields.
-    $address_fields = array( 'vat_number', 'vat_rate', 'adddress_confirmed' );
-    foreach ( $address_fields as $field ) {
-        if ( isset( $invoice_data['user_info'][$field] ) ) {
-            $invoice->set( $field, $invoice_data['user_info'][$field] );
+    $address_fields = array('vat_number', 'vat_rate', 'adddress_confirmed');
+    foreach ($address_fields as $field) {
+        if (isset($invoice_data['user_info'][$field])) {
+            $invoice->set($field, $invoice_data['user_info'][$field]);
         }
         
         $invoice->save();
@@ -1658,49 +1658,49 @@ 
     $valid_data['user'] = $user;
     
     // Allow themes and plugins to hook before the gateway
-    do_action( 'wpinv_checkout_before_gateway', $_POST, $user_info, $valid_data );
+    do_action('wpinv_checkout_before_gateway', $_POST, $user_info, $valid_data);
     
     // If the total amount in the cart is 0, send to the manual gateway. This emulates a free invoice
-    if ( !$invoice_data['price'] ) {
+    if (!$invoice_data['price']) {
         // Revert to manual
         $invoice_data['gateway'] = 'manual';
         $_POST['wpi-gateway'] = 'manual';
     }
     
     // Allow the invoice data to be modified before it is sent to the gateway
-    $invoice_data = apply_filters( 'wpinv_data_before_gateway', $invoice_data, $valid_data );
+    $invoice_data = apply_filters('wpinv_data_before_gateway', $invoice_data, $valid_data);
     
     // Setup the data we're storing in the purchase session
     $session_data = $invoice_data;
     // Make sure credit card numbers are never stored in sessions
-    if ( !empty( $session_data['card_info']['card_number'] ) ) {
-        unset( $session_data['card_info']['card_number'] );
+    if (!empty($session_data['card_info']['card_number'])) {
+        unset($session_data['card_info']['card_number']);
     }
     
     // Used for showing item links to non logged-in users after purchase, and for other plugins needing purchase data.
-    wpinv_set_checkout_session( $invoice_data );
+    wpinv_set_checkout_session($invoice_data);
     
     // Set gateway
-    $invoice->update_meta( '_wpinv_gateway', $invoice_data['gateway'] );
-    $invoice->update_meta( '_wpinv_mode', ( wpinv_is_test_mode( $invoice_data['gateway'] ) ? 'test' : 'live' ) );
-    $invoice->update_meta( '_wpinv_checkout', true );
+    $invoice->update_meta('_wpinv_gateway', $invoice_data['gateway']);
+    $invoice->update_meta('_wpinv_mode', (wpinv_is_test_mode($invoice_data['gateway']) ? 'test' : 'live'));
+    $invoice->update_meta('_wpinv_checkout', true);
     
-    do_action( 'wpinv_checkout_before_send_to_gateway', $invoice, $invoice_data );
+    do_action('wpinv_checkout_before_send_to_gateway', $invoice, $invoice_data);
 
     // Send info to the gateway for payment processing
-    wpinv_send_to_gateway( $invoice_data['gateway'], $invoice_data );
+    wpinv_send_to_gateway($invoice_data['gateway'], $invoice_data);
     die();
 }
-add_action( 'wpinv_payment', 'wpinv_process_checkout' );
+add_action('wpinv_payment', 'wpinv_process_checkout');
 
-function wpinv_get_invoices( $args ) {
-    $args = wp_parse_args( $args, array(
-        'status'   => array_keys( wpinv_get_invoice_statuses() ),
+function wpinv_get_invoices($args) {
+    $args = wp_parse_args($args, array(
+        'status'   => array_keys(wpinv_get_invoice_statuses()),
         'type'     => 'wpi_invoice',
         'parent'   => null,
         'user'     => null,
         'email'    => '',
-        'limit'    => get_option( 'posts_per_page' ),
+        'limit'    => get_option('posts_per_page'),
         'offset'   => null,
         'page'     => 1,
         'exclude'  => array(),
@@ -1708,7 +1708,7 @@ 
         'order'    => 'DESC',
         'return'   => 'objects',
         'paginate' => false,
-    ) );
+    ));
     
     // Handle some BW compatibility arg names where wp_query args differ in naming.
     $map_legacy = array(
@@ -1721,18 +1721,18 @@ 
         'paged'          => 'page',
     );
 
-    foreach ( $map_legacy as $from => $to ) {
-        if ( isset( $args[ $from ] ) ) {
-            $args[ $to ] = $args[ $from ];
+    foreach ($map_legacy as $from => $to) {
+        if (isset($args[$from])) {
+            $args[$to] = $args[$from];
         }
     }
 
-    if ( get_query_var( 'paged' ) )
+    if (get_query_var('paged'))
         $args['page'] = get_query_var('paged');
-    else if ( get_query_var( 'page' ) )
-        $args['page'] = get_query_var( 'page' );
-    else if ( !empty( $args[ 'page' ] ) )
-        $args['page'] = $args[ 'page' ];
+    else if (get_query_var('page'))
+        $args['page'] = get_query_var('page');
+    else if (!empty($args['page']))
+        $args['page'] = $args['page'];
     else
         $args['page'] = 1;
 
@@ -1745,47 +1745,47 @@ 
         'post_status'    => $args['status'],
         'posts_per_page' => $args['limit'],
         'meta_query'     => array(),
-        'date_query'     => !empty( $args['date_query'] ) ? $args['date_query'] : array(),
+        'date_query'     => !empty($args['date_query']) ? $args['date_query'] : array(),
         'fields'         => 'ids',
         'orderby'        => $args['orderby'],
         'order'          => $args['order'],
     );
     
-    if ( !empty( $args['user'] ) ) {
-        $wp_query_args['author'] = absint( $args['user'] );
+    if (!empty($args['user'])) {
+        $wp_query_args['author'] = absint($args['user']);
     }
 
-    if ( ! is_null( $args['parent'] ) ) {
-        $wp_query_args['post_parent'] = absint( $args['parent'] );
+    if (!is_null($args['parent'])) {
+        $wp_query_args['post_parent'] = absint($args['parent']);
     }
 
-    if ( ! is_null( $args['offset'] ) ) {
-        $wp_query_args['offset'] = absint( $args['offset'] );
+    if (!is_null($args['offset'])) {
+        $wp_query_args['offset'] = absint($args['offset']);
     } else {
-        $wp_query_args['paged'] = absint( $args['page'] );
+        $wp_query_args['paged'] = absint($args['page']);
     }
 
-    if ( ! empty( $args['exclude'] ) ) {
-        $wp_query_args['post__not_in'] = array_map( 'absint', $args['exclude'] );
+    if (!empty($args['exclude'])) {
+        $wp_query_args['post__not_in'] = array_map('absint', $args['exclude']);
     }
 
-    if ( ! $args['paginate' ] ) {
+    if (!$args['paginate']) {
         $wp_query_args['no_found_rows'] = true;
     }
 
     // Get results.
-    $invoices = new WP_Query( $wp_query_args );
+    $invoices = new WP_Query($wp_query_args);
 
-    if ( 'objects' === $args['return'] ) {
-        $return = array_map( 'wpinv_get_invoice', $invoices->posts );
-    } elseif ( 'self' === $args['return'] ) {
+    if ('objects' === $args['return']) {
+        $return = array_map('wpinv_get_invoice', $invoices->posts);
+    } elseif ('self' === $args['return']) {
         return $invoices;
     } else {
         $return = $invoices->posts;
     }
 
-    if ( $args['paginate' ] ) {
-        return (object) array(
+    if ($args['paginate']) {
+        return (object)array(
             'invoices'      => $return,
             'total'         => $invoices->found_posts,
             'max_num_pages' => $invoices->max_num_pages,
@@ -1797,21 +1797,21 @@ 
 
 function wpinv_get_user_invoices_columns() {
     $columns = array(
-            'invoice-number'  => array( 'title' => __( 'ID', 'invoicing' ), 'class' => 'text-left' ),
-            'invoice-date'    => array( 'title' => __( 'Date', 'invoicing' ), 'class' => 'text-left' ),
-            'invoice-status'  => array( 'title' => __( 'Status', 'invoicing' ), 'class' => 'text-center' ),
-            'invoice-total'   => array( 'title' => __( 'Total', 'invoicing' ), 'class' => 'text-right' ),
-            'invoice-actions' => array( 'title' => '&nbsp;', 'class' => 'text-center' ),
+            'invoice-number'  => array('title' => __('ID', 'invoicing'), 'class' => 'text-left'),
+            'invoice-date'    => array('title' => __('Date', 'invoicing'), 'class' => 'text-left'),
+            'invoice-status'  => array('title' => __('Status', 'invoicing'), 'class' => 'text-center'),
+            'invoice-total'   => array('title' => __('Total', 'invoicing'), 'class' => 'text-right'),
+            'invoice-actions' => array('title' => '&nbsp;', 'class' => 'text-center'),
         );
 
-    return apply_filters( 'wpinv_user_invoices_columns', $columns );
+    return apply_filters('wpinv_user_invoices_columns', $columns);
 }
 
-function wpinv_payment_receipt( $atts, $content = null ) {
+function wpinv_payment_receipt($atts, $content = null) {
     global $wpinv_receipt_args;
 
-    $wpinv_receipt_args = shortcode_atts( array(
-        'error'           => __( 'Sorry, trouble retrieving payment receipt.', 'invoicing' ),
+    $wpinv_receipt_args = shortcode_atts(array(
+        'error'           => __('Sorry, trouble retrieving payment receipt.', 'invoicing'),
         'price'           => true,
         'discount'        => true,
         'items'           => true,
@@ -1820,195 +1820,195 @@ 
         'invoice_key'     => false,
         'payment_method'  => true,
         'invoice_id'      => true
-    ), $atts, 'wpinv_receipt' );
+    ), $atts, 'wpinv_receipt');
 
     $session = wpinv_get_checkout_session();
-    if ( isset( $_GET['invoice_key'] ) ) {
-        $invoice_key = urldecode( $_GET['invoice_key'] );
-    } else if ( $session && isset( $session['invoice_key'] ) ) {
+    if (isset($_GET['invoice_key'])) {
+        $invoice_key = urldecode($_GET['invoice_key']);
+    } else if ($session && isset($session['invoice_key'])) {
         $invoice_key = $session['invoice_key'];
-    } elseif ( isset( $wpinv_receipt_args['invoice_key'] ) && $wpinv_receipt_args['invoice_key'] ) {
+    } elseif (isset($wpinv_receipt_args['invoice_key']) && $wpinv_receipt_args['invoice_key']) {
         $invoice_key = $wpinv_receipt_args['invoice_key'];
-    } else if ( isset( $_GET['invoice-id'] ) ) {
-        $invoice_key = wpinv_get_payment_key( (int)$_GET['invoice-id'] );
+    } else if (isset($_GET['invoice-id'])) {
+        $invoice_key = wpinv_get_payment_key((int)$_GET['invoice-id']);
     }
 
     // No key found
-    if ( ! isset( $invoice_key ) ) {
+    if (!isset($invoice_key)) {
         return '<p class="alert alert-error">' . $wpinv_receipt_args['error'] . '</p>';
     }
 
-    $invoice_id    = wpinv_get_invoice_id_by_key( $invoice_key );
-    $user_can_view = wpinv_can_view_receipt( $invoice_key );
-    if ( $user_can_view && isset( $_GET['invoice-id'] ) ) {
+    $invoice_id    = wpinv_get_invoice_id_by_key($invoice_key);
+    $user_can_view = wpinv_can_view_receipt($invoice_key);
+    if ($user_can_view && isset($_GET['invoice-id'])) {
         $invoice_id     = (int)$_GET['invoice-id'];
-        $user_can_view  = $invoice_key == wpinv_get_payment_key( (int)$_GET['invoice-id'] ) ? true : false;
+        $user_can_view  = $invoice_key == wpinv_get_payment_key((int)$_GET['invoice-id']) ? true : false;
     }
 
     // Key was provided, but user is logged out. Offer them the ability to login and view the receipt
-    if ( ! $user_can_view && ! empty( $invoice_key ) && ! is_user_logged_in() ) {
+    if (!$user_can_view && !empty($invoice_key) && !is_user_logged_in()) {
         // login redirect
-        return '<p class="alert alert-error">' . __( 'You are not allowed to access this section', 'invoicing' ) . '</p>';
+        return '<p class="alert alert-error">' . __('You are not allowed to access this section', 'invoicing') . '</p>';
     }
 
-    if ( ! apply_filters( 'wpinv_user_can_view_receipt', $user_can_view, $wpinv_receipt_args ) ) {
+    if (!apply_filters('wpinv_user_can_view_receipt', $user_can_view, $wpinv_receipt_args)) {
         return '<p class="alert alert-error">' . $wpinv_receipt_args['error'] . '</p>';
     }
 
     ob_start();
 
-    wpinv_get_template_part( 'wpinv-invoice-receipt' );
+    wpinv_get_template_part('wpinv-invoice-receipt');
 
     $display = ob_get_clean();
 
     return $display;
 }
 
-function wpinv_get_invoice_id_by_key( $key ) {
+function wpinv_get_invoice_id_by_key($key) {
 	global $wpdb;
 
-	$invoice_id = $wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_key' AND meta_value = %s LIMIT 1", $key ) );
+	$invoice_id = $wpdb->get_var($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_key' AND meta_value = %s LIMIT 1", $key));
 
-	if ( $invoice_id != NULL )
+	if ($invoice_id != NULL)
 		return $invoice_id;
 
 	return 0;
 }
 
-function wpinv_can_view_receipt( $invoice_key = '' ) {
+function wpinv_can_view_receipt($invoice_key = '') {
 	$return = false;
 
-	if ( empty( $invoice_key ) ) {
+	if (empty($invoice_key)) {
 		return $return;
 	}
 
 	global $wpinv_receipt_args;
 
-	$wpinv_receipt_args['id'] = wpinv_get_invoice_id_by_key( $invoice_key );
-	if ( isset( $_GET['invoice-id'] ) ) {
-		$wpinv_receipt_args['id'] = $invoice_key == wpinv_get_payment_key( (int)$_GET['invoice-id'] ) ? (int)$_GET['invoice-id'] : 0;
+	$wpinv_receipt_args['id'] = wpinv_get_invoice_id_by_key($invoice_key);
+	if (isset($_GET['invoice-id'])) {
+		$wpinv_receipt_args['id'] = $invoice_key == wpinv_get_payment_key((int)$_GET['invoice-id']) ? (int)$_GET['invoice-id'] : 0;
 	}
 
-	if ( empty( $wpinv_receipt_args['id'] ) ) {
+	if (empty($wpinv_receipt_args['id'])) {
 		return $return;
 	}
 
-	$invoice = wpinv_get_invoice( $wpinv_receipt_args['id'] );
-	if ( !( !empty( $invoice->ID ) && $invoice->get_key() === $invoice_key ) ) {
+	$invoice = wpinv_get_invoice($wpinv_receipt_args['id']);
+	if (!(!empty($invoice->ID) && $invoice->get_key() === $invoice_key)) {
 		return $return;
 	}
 
-	if ( is_user_logged_in() ) {
-		if ( (int)$invoice->get_user_id() === (int) get_current_user_id() ) {
+	if (is_user_logged_in()) {
+		if ((int)$invoice->get_user_id() === (int)get_current_user_id()) {
 			$return = true;
 		}
 	}
 
 	$session = wpinv_get_checkout_session();
-	if ( isset( $_GET['invoice_key'] ) || ( $session && isset( $session['invoice_key'] ) ) ) {
-		$check_key = isset( $_GET['invoice_key'] ) ? $_GET['invoice_key'] : $session['invoice_key'];
+	if (isset($_GET['invoice_key']) || ($session && isset($session['invoice_key']))) {
+		$check_key = isset($_GET['invoice_key']) ? $_GET['invoice_key'] : $session['invoice_key'];
 
-		if ( wpinv_require_login_to_checkout() ) {
+		if (wpinv_require_login_to_checkout()) {
 			$return = $return && $check_key === $invoice_key;
 		} else {
 			$return = $check_key === $invoice_key;
 		}
 	}
 
-	return (bool) apply_filters( 'wpinv_can_view_receipt', $return, $invoice_key );
+	return (bool)apply_filters('wpinv_can_view_receipt', $return, $invoice_key);
 }
 
 function wpinv_pay_for_invoice() {
     global $wpinv_euvat;
     
-    if ( isset( $_GET['invoice_key'] ) ) {
+    if (isset($_GET['invoice_key'])) {
         $checkout_uri   = wpinv_get_checkout_uri();
-        $invoice_key    = sanitize_text_field( $_GET['invoice_key'] );
+        $invoice_key    = sanitize_text_field($_GET['invoice_key']);
         
-        if ( empty( $invoice_key ) ) {
-            wpinv_set_error( 'invalid_invoice', __( 'Invoice not found', 'invoicing' ) );
-            wp_redirect( $checkout_uri );
+        if (empty($invoice_key)) {
+            wpinv_set_error('invalid_invoice', __('Invoice not found', 'invoicing'));
+            wp_redirect($checkout_uri);
             wpinv_die();
         }
         
-        do_action( 'wpinv_check_pay_for_invoice', $invoice_key );
+        do_action('wpinv_check_pay_for_invoice', $invoice_key);
 
-        $invoice_id    = wpinv_get_invoice_id_by_key( $invoice_key );
-        $user_can_view = wpinv_can_view_receipt( $invoice_key );
-        if ( $user_can_view && isset( $_GET['invoice-id'] ) ) {
+        $invoice_id    = wpinv_get_invoice_id_by_key($invoice_key);
+        $user_can_view = wpinv_can_view_receipt($invoice_key);
+        if ($user_can_view && isset($_GET['invoice-id'])) {
             $invoice_id     = (int)$_GET['invoice-id'];
-            $user_can_view  = $invoice_key == wpinv_get_payment_key( (int)$_GET['invoice-id'] ) ? true : false;
+            $user_can_view  = $invoice_key == wpinv_get_payment_key((int)$_GET['invoice-id']) ? true : false;
         }
         
-        if ( $invoice_id && $user_can_view && ( $invoice = wpinv_get_invoice( $invoice_id ) ) ) {
-            if ( $invoice->needs_payment() ) {
+        if ($invoice_id && $user_can_view && ($invoice = wpinv_get_invoice($invoice_id))) {
+            if ($invoice->needs_payment()) {
                 $data                   = array();
                 $data['invoice_id']     = $invoice_id;
-                $data['cart_discounts'] = $invoice->get_discounts( true );
+                $data['cart_discounts'] = $invoice->get_discounts(true);
                 
-                wpinv_set_checkout_session( $data );
+                wpinv_set_checkout_session($data);
                 
-                if ( wpinv_get_option( 'vat_ip_country_default' ) ) {
+                if (wpinv_get_option('vat_ip_country_default')) {
                     $_POST['country']   = $wpinv_euvat->get_country_by_ip();
                     $_POST['state']     = $_POST['country'] == $invoice->country ? $invoice->state : '';
                     
-                    wpinv_recalculate_tax( true );
+                    wpinv_recalculate_tax(true);
                 }
                 
             } else {
                 $checkout_uri = $invoice->get_view_url();
             }
         } else {
-            wpinv_set_error( 'invalid_invoice', __( 'You are not allowed to view this invoice', 'invoicing' ) );
+            wpinv_set_error('invalid_invoice', __('You are not allowed to view this invoice', 'invoicing'));
             
-            $checkout_uri = is_user_logged_in() ? wpinv_get_history_page_uri() : wp_login_url( get_permalink() );
+            $checkout_uri = is_user_logged_in() ? wpinv_get_history_page_uri() : wp_login_url(get_permalink());
         }
         
-        wp_redirect( $checkout_uri );
+        wp_redirect($checkout_uri);
         wpinv_die();
     }
 }
-add_action( 'wpinv_pay_for_invoice', 'wpinv_pay_for_invoice' );
+add_action('wpinv_pay_for_invoice', 'wpinv_pay_for_invoice');
 
-function wpinv_handle_pay_via_invoice_link( $invoice_key ) {
-    if ( !empty( $invoice_key ) && !empty( $_REQUEST['_wpipay'] ) && !is_user_logged_in() && $invoice_id = wpinv_get_invoice_id_by_key( $invoice_key ) ) {
-        if ( $invoice = wpinv_get_invoice( $invoice_id ) ) {
+function wpinv_handle_pay_via_invoice_link($invoice_key) {
+    if (!empty($invoice_key) && !empty($_REQUEST['_wpipay']) && !is_user_logged_in() && $invoice_id = wpinv_get_invoice_id_by_key($invoice_key)) {
+        if ($invoice = wpinv_get_invoice($invoice_id)) {
             $user_id = $invoice->get_user_id();
-            $secret = sanitize_text_field( $_GET['_wpipay'] );
+            $secret = sanitize_text_field($_GET['_wpipay']);
             
-            if ( $secret === md5( $user_id . '::' . $invoice->get_email() . '::' . $invoice_key ) ) { // valid invoice link
-                $redirect_to = remove_query_arg( '_wpipay', get_permalink() );
+            if ($secret === md5($user_id . '::' . $invoice->get_email() . '::' . $invoice_key)) { // valid invoice link
+                $redirect_to = remove_query_arg('_wpipay', get_permalink());
                 
-                wpinv_guest_redirect( $redirect_to, $user_id );
+                wpinv_guest_redirect($redirect_to, $user_id);
                 wpinv_die();
             }
         }
     }
 }
-add_action( 'wpinv_check_pay_for_invoice', 'wpinv_handle_pay_via_invoice_link' );
+add_action('wpinv_check_pay_for_invoice', 'wpinv_handle_pay_via_invoice_link');
 
-function wpinv_set_payment_transaction_id( $invoice_id = 0, $transaction_id = '' ) {
-    $invoice_id = is_object( $invoice_id ) && !empty( $invoice_id->ID ) ? $invoice_id : $invoice_id;
+function wpinv_set_payment_transaction_id($invoice_id = 0, $transaction_id = '') {
+    $invoice_id = is_object($invoice_id) && !empty($invoice_id->ID) ? $invoice_id : $invoice_id;
     
-    if ( empty( $invoice_id ) && $invoice_id > 0 ) {
+    if (empty($invoice_id) && $invoice_id > 0) {
         return false;
     }
     
-    if ( empty( $transaction_id ) ) {
+    if (empty($transaction_id)) {
         $transaction_id = $invoice_id;
     }
 
-    $transaction_id = apply_filters( 'wpinv_set_payment_transaction_id', $transaction_id, $invoice_id );
+    $transaction_id = apply_filters('wpinv_set_payment_transaction_id', $transaction_id, $invoice_id);
     
-    return wpinv_update_invoice_meta( $invoice_id, '_wpinv_transaction_id', $transaction_id );
+    return wpinv_update_invoice_meta($invoice_id, '_wpinv_transaction_id', $transaction_id);
 }
 
-function wpinv_invoice_status_label( $status, $status_display = '' ) {
-    if ( empty( $status_display ) ) {
-        $status_display = wpinv_status_nicename( $status );
+function wpinv_invoice_status_label($status, $status_display = '') {
+    if (empty($status_display)) {
+        $status_display = wpinv_status_nicename($status);
     }
     
-    switch ( $status ) {
+    switch ($status) {
         case 'publish' :
         case 'wpi-renewal' :
             $class = 'label-success';
@@ -2033,178 +2033,178 @@ 
     
     $label = '<span class="label label-inv-' . $status . ' ' . $class . '">' . $status_display . '</span>';
     
-    return apply_filters( 'wpinv_invoice_status_label', $label, $status, $status_display );
+    return apply_filters('wpinv_invoice_status_label', $label, $status, $status_display);
 }
 
-function wpinv_format_invoice_number( $number, $type = '' ) {
-    $check = apply_filters( 'wpinv_pre_format_invoice_number', null, $number, $type );
-    if ( null !== $check ) {
+function wpinv_format_invoice_number($number, $type = '') {
+    $check = apply_filters('wpinv_pre_format_invoice_number', null, $number, $type);
+    if (null !== $check) {
         return $check;
     }
 
-    if ( !empty( $number ) && !is_numeric( $number ) ) {
+    if (!empty($number) && !is_numeric($number)) {
         return $number;
     }
 
-    $padd  = wpinv_get_option( 'invoice_number_padd' );
-    $prefix  = wpinv_get_option( 'invoice_number_prefix' );
-    $postfix = wpinv_get_option( 'invoice_number_postfix' );
+    $padd = wpinv_get_option('invoice_number_padd');
+    $prefix  = wpinv_get_option('invoice_number_prefix');
+    $postfix = wpinv_get_option('invoice_number_postfix');
     
-    $padd = absint( $padd );
-    $formatted_number = absint( $number );
+    $padd = absint($padd);
+    $formatted_number = absint($number);
     
-    if ( $padd > 0 ) {
-        $formatted_number = zeroise( $formatted_number, $padd );
+    if ($padd > 0) {
+        $formatted_number = zeroise($formatted_number, $padd);
     }    
 
     $formatted_number = $prefix . $formatted_number . $postfix;
 
-    return apply_filters( 'wpinv_format_invoice_number', $formatted_number, $number, $prefix, $postfix, $padd );
+    return apply_filters('wpinv_format_invoice_number', $formatted_number, $number, $prefix, $postfix, $padd);
 }
 
-function wpinv_get_next_invoice_number( $type = '' ) {
-    $check = apply_filters( 'wpinv_get_pre_next_invoice_number', null, $type );
-    if ( null !== $check ) {
+function wpinv_get_next_invoice_number($type = '') {
+    $check = apply_filters('wpinv_get_pre_next_invoice_number', null, $type);
+    if (null !== $check) {
         return $check;
     }
     
-    if ( !wpinv_sequential_number_active() ) {
+    if (!wpinv_sequential_number_active()) {
         return false;
     }
 
-    $number = $last_number = get_option( 'wpinv_last_invoice_number' );
-    $start  = wpinv_get_option( 'invoice_sequence_start' );
-    if ( !absint( $start ) > 0 ) {
+    $number = $last_number = get_option('wpinv_last_invoice_number');
+    $start  = wpinv_get_option('invoice_sequence_start');
+    if (!absint($start) > 0) {
         $start = 1;
     }
     $increment_number = true;
     $save_number = false;
 
-    if ( !empty( $number ) && !is_numeric( $number ) && $number == wpinv_format_invoice_number( $number ) ) {
-        $number = wpinv_clean_invoice_number( $number );
+    if (!empty($number) && !is_numeric($number) && $number == wpinv_format_invoice_number($number)) {
+        $number = wpinv_clean_invoice_number($number);
     }
 
-    if ( empty( $number ) ) {
-        if ( !( $last_number === 0 || $last_number === '0' ) ) {
-            $last_invoice = wpinv_get_invoices( array( 'limit' => 1, 'order' => 'DESC', 'orderby' => 'ID', 'return' => 'posts', 'fields' => 'ids', 'status' => array_keys( wpinv_get_invoice_statuses( true ) ) ) );
+    if (empty($number)) {
+        if (!($last_number === 0 || $last_number === '0')) {
+            $last_invoice = wpinv_get_invoices(array('limit' => 1, 'order' => 'DESC', 'orderby' => 'ID', 'return' => 'posts', 'fields' => 'ids', 'status' => array_keys(wpinv_get_invoice_statuses(true))));
 
-            if ( !empty( $last_invoice[0] ) && $invoice_number = wpinv_get_invoice_number( $last_invoice[0] ) ) {
-                if ( is_numeric( $invoice_number ) ) {
+            if (!empty($last_invoice[0]) && $invoice_number = wpinv_get_invoice_number($last_invoice[0])) {
+                if (is_numeric($invoice_number)) {
                     $number = $invoice_number;
                 } else {
-                    $number = wpinv_clean_invoice_number( $invoice_number );
+                    $number = wpinv_clean_invoice_number($invoice_number);
                 }
             }
 
-            if ( empty( $number ) ) {
+            if (empty($number)) {
                 $increment_number = false;
                 $number = $start;
-                $save_number = ( $number - 1 );
+                $save_number = ($number - 1);
             } else {
                 $save_number = $number;
             }
         }
     }
 
-    if ( $start > $number ) {
+    if ($start > $number) {
         $increment_number = false;
         $number = $start;
-        $save_number = ( $number - 1 );
+        $save_number = ($number - 1);
     }
 
-    if ( $save_number !== false ) {
-        update_option( 'wpinv_last_invoice_number', $save_number );
+    if ($save_number !== false) {
+        update_option('wpinv_last_invoice_number', $save_number);
     }
     
-    $increment_number = apply_filters( 'wpinv_increment_payment_number', $increment_number, $number );
+    $increment_number = apply_filters('wpinv_increment_payment_number', $increment_number, $number);
 
-    if ( $increment_number ) {
+    if ($increment_number) {
         $number++;
     }
 
-    return apply_filters( 'wpinv_get_next_invoice_number', $number );
+    return apply_filters('wpinv_get_next_invoice_number', $number);
 }
 
-function wpinv_clean_invoice_number( $number, $type = '' ) {
-    $check = apply_filters( 'wpinv_pre_clean_invoice_number', null, $number, $type );
-    if ( null !== $check ) {
+function wpinv_clean_invoice_number($number, $type = '') {
+    $check = apply_filters('wpinv_pre_clean_invoice_number', null, $number, $type);
+    if (null !== $check) {
         return $check;
     }
     
-    $prefix  = wpinv_get_option( 'invoice_number_prefix' );
-    $postfix = wpinv_get_option( 'invoice_number_postfix' );
+    $prefix  = wpinv_get_option('invoice_number_prefix');
+    $postfix = wpinv_get_option('invoice_number_postfix');
 
-    $number = preg_replace( '/' . $prefix . '/', '', $number, 1 );
+    $number = preg_replace('/' . $prefix . '/', '', $number, 1);
 
-    $length      = strlen( $number );
-    $postfix_pos = strrpos( $number, $postfix );
+    $length      = strlen($number);
+    $postfix_pos = strrpos($number, $postfix);
     
-    if ( false !== $postfix_pos ) {
-        $number      = substr_replace( $number, '', $postfix_pos, $length );
+    if (false !== $postfix_pos) {
+        $number = substr_replace($number, '', $postfix_pos, $length);
     }
 
-    $number = intval( $number );
+    $number = intval($number);
 
-    return apply_filters( 'wpinv_clean_invoice_number', $number, $prefix, $postfix );
+    return apply_filters('wpinv_clean_invoice_number', $number, $prefix, $postfix);
 }
 
-function wpinv_save_number_post_saved( $post_ID, $post, $update ) {
+function wpinv_save_number_post_saved($post_ID, $post, $update) {
     global $wpdb;
 
-    if ( !$update && !get_post_meta( $post_ID, '_wpinv_number', true ) ) {
-        wpinv_update_invoice_number( $post_ID, $post->post_status != 'auto-draft', $post->post_type );
+    if (!$update && !get_post_meta($post_ID, '_wpinv_number', true)) {
+        wpinv_update_invoice_number($post_ID, $post->post_status != 'auto-draft', $post->post_type);
     }
 
-    if ( !$update ) {
-        $wpdb->update( $wpdb->posts, array( 'post_name' => wpinv_generate_post_name( $post_ID ) ), array( 'ID' => $post_ID ) );
-        clean_post_cache( $post_ID );
+    if (!$update) {
+        $wpdb->update($wpdb->posts, array('post_name' => wpinv_generate_post_name($post_ID)), array('ID' => $post_ID));
+        clean_post_cache($post_ID);
     }
 }
-add_action( 'save_post_wpi_invoice', 'wpinv_save_number_post_saved', 1, 3 );
+add_action('save_post_wpi_invoice', 'wpinv_save_number_post_saved', 1, 3);
 
-function wpinv_save_number_post_updated( $post_ID, $post_after, $post_before ) {
-    if ( !empty( $post_after->post_type ) && $post_after->post_type == 'wpi_invoice' && $post_before->post_status == 'auto-draft' && $post_after->post_status != $post_before->post_status ) {
-        wpinv_update_invoice_number( $post_ID, true, $post_after->post_type );
+function wpinv_save_number_post_updated($post_ID, $post_after, $post_before) {
+    if (!empty($post_after->post_type) && $post_after->post_type == 'wpi_invoice' && $post_before->post_status == 'auto-draft' && $post_after->post_status != $post_before->post_status) {
+        wpinv_update_invoice_number($post_ID, true, $post_after->post_type);
     }
 }
-add_action( 'post_updated', 'wpinv_save_number_post_updated', 1, 3 );
+add_action('post_updated', 'wpinv_save_number_post_updated', 1, 3);
 
-function wpinv_update_invoice_number( $post_ID, $save_sequential = false, $type = '' ) {
+function wpinv_update_invoice_number($post_ID, $save_sequential = false, $type = '') {
     global $wpdb;
     
-    $check = apply_filters( 'wpinv_pre_update_invoice_number', null, $post_ID, $save_sequential, $type );
-    if ( null !== $check ) {
+    $check = apply_filters('wpinv_pre_update_invoice_number', null, $post_ID, $save_sequential, $type);
+    if (null !== $check) {
         return $check;
     }
 
-    if ( wpinv_sequential_number_active() ) {
+    if (wpinv_sequential_number_active()) {
         $number = wpinv_get_next_invoice_number();
 
-        if ( $save_sequential ) {
-            update_option( 'wpinv_last_invoice_number', $number );
+        if ($save_sequential) {
+            update_option('wpinv_last_invoice_number', $number);
         }
     } else {
         $number = $post_ID;
     }
 
-    $number = wpinv_format_invoice_number( $number );
+    $number = wpinv_format_invoice_number($number);
 
-    update_post_meta( $post_ID, '_wpinv_number', $number );
+    update_post_meta($post_ID, '_wpinv_number', $number);
 
-    $wpdb->update( $wpdb->posts, array( 'post_title' => $number ), array( 'ID' => $post_ID ) );
+    $wpdb->update($wpdb->posts, array('post_title' => $number), array('ID' => $post_ID));
 
-    clean_post_cache( $post_ID );
+    clean_post_cache($post_ID);
 
     return $number;
 }
 
-function wpinv_post_name_prefix( $post_type = 'wpi_invoice' ) {
-    return apply_filters( 'wpinv_post_name_prefix', 'inv-', $post_type );
+function wpinv_post_name_prefix($post_type = 'wpi_invoice') {
+    return apply_filters('wpinv_post_name_prefix', 'inv-', $post_type);
 }
 
-function wpinv_generate_post_name( $post_ID ) {
-    $prefix = wpinv_post_name_prefix( get_post_type( $post_ID ) );
-    $post_name = sanitize_title( $prefix . $post_ID );
+function wpinv_generate_post_name($post_ID) {
+    $prefix = wpinv_post_name_prefix(get_post_type($post_ID));
+    $post_name = sanitize_title($prefix . $post_ID);
 
-    return apply_filters( 'wpinv_generate_post_name', $post_name, $post_ID, $prefix );
+    return apply_filters('wpinv_generate_post_name', $post_name, $post_ID, $prefix);
 }
\ No newline at end of file

includes/class-wpinv-subscriptions-db.php

Braces +3 added lines, -1 removed lines

@@ -1,6 +1,8 @@
 <?php
 // Exit if accessed directly.
-if (!defined( 'ABSPATH' ) ) exit;
+if (!defined( 'ABSPATH' ) ) {
+    exit;
+}
 
 /**
  * The Subscriptions DB Class

Spacing +154 added lines, -154 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 // Exit if accessed directly.
-if (!defined( 'ABSPATH' ) ) exit;
+if (!defined('ABSPATH')) exit;
 
 /**
  * The Subscriptions DB Class
@@ -68,8 +68,8 @@ 
             'transaction_id'    => '',
             'parent_payment_id' => 0,
             'product_id'        => 0,
-            'created'           => date( 'Y-m-d H:i:s' ),
-            'expiration'        => date( 'Y-m-d H:i:s' ),
+            'created'           => date('Y-m-d H:i:s'),
+            'expiration'        => date('Y-m-d H:i:s'),
             'trial_period'      => '',
             'status'            => '',
             'profile_id'        => '',
@@ -82,11 +82,11 @@ 
      * @access  public
      * @since   1.0.0
      */
-    public function get_subscriptions( $args = array() ) {
+    public function get_subscriptions($args = array()) {
         global $wpdb;
 
         $defaults = array(
-            'number'       => get_option( 'posts_per_page' ),
+            'number'       => get_option('posts_per_page'),
             'offset'       => 0,
             'search'       => '',
             'customer_id'  => 0,
@@ -94,21 +94,21 @@ 
             'order'        => 'DESC'
         );
 
-        $args  = wp_parse_args( $args, $defaults );
+        $args = wp_parse_args($args, $defaults);
 
-        if( $args['number'] < 1 ) {
+        if ($args['number'] < 1) {
             $args['number'] = 999999999999;
         }
 
         $where = ' WHERE 1=1 ';
 
         // specific customers
-        if( ! empty( $args['id'] ) ) {
+        if (!empty($args['id'])) {
 
-            if( is_array( $args['id'] ) ) {
-                $ids = implode( ',', array_map('intval', $args['id'] ) );
+            if (is_array($args['id'])) {
+                $ids = implode(',', array_map('intval', $args['id']));
             } else {
-                $ids = intval( $args['id'] );
+                $ids = intval($args['id']);
             }
 
             $where .= " AND `id` IN( {$ids} ) ";
@@ -116,12 +116,12 @@ 
         }
 
         // Specific products
-        if( ! empty( $args['product_id'] ) ) {
+        if (!empty($args['product_id'])) {
 
-            if( is_array( $args['product_id'] ) ) {
-                $product_ids = implode( ',', array_map('intval', $args['product_id'] ) );
+            if (is_array($args['product_id'])) {
+                $product_ids = implode(',', array_map('intval', $args['product_id']));
             } else {
-                $product_ids = intval( $args['product_id'] );
+                $product_ids = intval($args['product_id']);
             }
 
             $where .= " AND `product_id` IN( {$product_ids} ) ";
@@ -129,12 +129,12 @@ 
         }
 
         // Specific parent payments
-        if( ! empty( $args['parent_payment_id'] ) ) {
+        if (!empty($args['parent_payment_id'])) {
 
-            if( is_array( $args['parent_payment_id'] ) ) {
-                $parent_payment_ids = implode( ',', array_map('intval', $args['parent_payment_id'] ) );
+            if (is_array($args['parent_payment_id'])) {
+                $parent_payment_ids = implode(',', array_map('intval', $args['parent_payment_id']));
             } else {
-                $parent_payment_ids = intval( $args['parent_payment_id'] );
+                $parent_payment_ids = intval($args['parent_payment_id']);
             }
 
             $where .= " AND `parent_payment_id` IN( {$parent_payment_ids} ) ";
@@ -142,12 +142,12 @@ 
         }
 
         // Specific transaction IDs
-        if( ! empty( $args['transaction_id'] ) ) {
+        if (!empty($args['transaction_id'])) {
 
-            if( is_array( $args['transaction_id'] ) ) {
-                $transaction_ids = implode( "','", array_map('sanitize_text_field', $args['transaction_id'] ) );
+            if (is_array($args['transaction_id'])) {
+                $transaction_ids = implode("','", array_map('sanitize_text_field', $args['transaction_id']));
             } else {
-                $transaction_ids = sanitize_text_field( $args['transaction_id'] );
+                $transaction_ids = sanitize_text_field($args['transaction_id']);
             }
 
             $where .= " AND `transaction_id` IN ( '{$transaction_ids}' ) ";
@@ -155,12 +155,12 @@ 
         }
 
         // Subscriptoins for specific customers
-        if( ! empty( $args['customer_id'] ) ) {
+        if (!empty($args['customer_id'])) {
 
-            if( is_array( $args['customer_id'] ) ) {
-                $customer_ids = implode( ',', array_map('intval', $args['customer_id'] ) );
+            if (is_array($args['customer_id'])) {
+                $customer_ids = implode(',', array_map('intval', $args['customer_id']));
             } else {
-                $customer_ids = intval( $args['customer_id'] );
+                $customer_ids = intval($args['customer_id']);
             }
 
             $where .= " AND `customer_id` IN( {$customer_ids} ) ";
@@ -168,12 +168,12 @@ 
         }
 
         // Subscriptions for specific profile IDs
-        if( ! empty( $args['profile_id'] ) ) {
+        if (!empty($args['profile_id'])) {
 
-            if( is_array( $args['profile_id'] ) ) {
-                $profile_ids = implode( "','", array_map('sanitize_text_field', $args['profile_id'] ) );
+            if (is_array($args['profile_id'])) {
+                $profile_ids = implode("','", array_map('sanitize_text_field', $args['profile_id']));
             } else {
-                $profile_ids = sanitize_text_field( $args['profile_id'] );
+                $profile_ids = sanitize_text_field($args['profile_id']);
             }
 
             $where .= " AND `profile_id` IN( '{$profile_ids}' ) ";
@@ -181,12 +181,12 @@ 
         }
 
         // Subscriptions for specific statuses
-        if( ! empty( $args['status'] ) ) {
+        if (!empty($args['status'])) {
 
-            if( is_array( $args['status'] ) ) {
-                $statuses = implode( "','", array_map( 'sanitize_text_field', $args['status'] ) );
+            if (is_array($args['status'])) {
+                $statuses = implode("','", array_map('sanitize_text_field', $args['status']));
             } else {
-                $statuses = sanitize_text_field( $args['status'] );
+                $statuses = sanitize_text_field($args['status']);
             }
 
             $where .= " AND `status` IN( '{$statuses}' ) ";
@@ -194,21 +194,21 @@ 
         }
 
         // Subscriptions created for a specific date or in a date range
-        if( ! empty( $args['date'] ) ) {
+        if (!empty($args['date'])) {
 
-            if( is_array( $args['date'] ) ) {
+            if (is_array($args['date'])) {
 
-                if( ! empty( $args['date']['start'] ) ) {
+                if (!empty($args['date']['start'])) {
 
-                    $start = date( 'Y-m-d H:i:s', strtotime( $args['date']['start'] ) );
+                    $start = date('Y-m-d H:i:s', strtotime($args['date']['start']));
 
                     $where .= " AND `created` >= '{$start}'";
 
                 }
 
-                if( ! empty( $args['date']['end'] ) ) {
+                if (!empty($args['date']['end'])) {
 
-                    $end = date( 'Y-m-d H:i:s', strtotime( $args['date']['end'] ) );
+                    $end = date('Y-m-d H:i:s', strtotime($args['date']['end']));
 
                     $where .= " AND `created` <= '{$end}'";
 
@@ -216,9 +216,9 @@ 
 
             } else {
 
-                $year  = date( 'Y', strtotime( $args['date'] ) );
-                $month = date( 'm', strtotime( $args['date'] ) );
-                $day   = date( 'd', strtotime( $args['date'] ) );
+                $year  = date('Y', strtotime($args['date']));
+                $month = date('m', strtotime($args['date']));
+                $day   = date('d', strtotime($args['date']));
 
                 $where .= " AND $year = YEAR ( created ) AND $month = MONTH ( created ) AND $day = DAY ( created )";
             }
@@ -226,21 +226,21 @@ 
         }
 
         // Subscriptions with a specific expiration date or in an expiration date range
-        if( ! empty( $args['expiration'] ) ) {
+        if (!empty($args['expiration'])) {
 
-            if( is_array( $args['expiration'] ) ) {
+            if (is_array($args['expiration'])) {
 
-                if( ! empty( $args['expiration']['start'] ) ) {
+                if (!empty($args['expiration']['start'])) {
 
-                    $start = date( 'Y-m-d H:i:s', strtotime( $args['expiration']['start'] ) );
+                    $start = date('Y-m-d H:i:s', strtotime($args['expiration']['start']));
 
                     $where .= " AND `expiration` >= '{$start}'";
 
                 }
 
-                if( ! empty( $args['expiration']['end'] ) ) {
+                if (!empty($args['expiration']['end'])) {
 
-                    $end = date( 'Y-m-d H:i:s', strtotime( $args['expiration']['end'] ) );
+                    $end = date('Y-m-d H:i:s', strtotime($args['expiration']['end']));
 
                     $where .= " AND `expiration` <= '{$end}'";
 
@@ -248,73 +248,73 @@ 
 
             } else {
 
-                $year  = date( 'Y', strtotime( $args['expiration'] ) );
-                $month = date( 'm', strtotime( $args['expiration'] ) );
-                $day   = date( 'd', strtotime( $args['expiration'] ) );
+                $year  = date('Y', strtotime($args['expiration']));
+                $month = date('m', strtotime($args['expiration']));
+                $day   = date('d', strtotime($args['expiration']));
 
                 $where .= " AND $year = YEAR ( expiration ) AND $month = MONTH ( expiration ) AND $day = DAY ( expiration )";
             }
 
         }
 
-        if ( ! empty( $args['search'] ) ) {
+        if (!empty($args['search'])) {
 
-            if( false !== strpos( 'id:', $args['search'] ) ) {
+            if (false !== strpos('id:', $args['search'])) {
 
-                $args['search'] = trim( str_replace( 'id:', '', $args['search'] ) );
-                $where .= " AND `id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('id:', '', $args['search']));
+                $where .= " AND `id` = '" . esc_sql($args['search']) . "'";
 
-            } else if( false !== strpos( $args['search'], 'txn:' ) ) {
+            } else if (false !== strpos($args['search'], 'txn:')) {
 
-                $args['search'] = trim( str_replace( 'txn:', '', $args['search'] ) );
-                $where .= " AND `transaction_id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('txn:', '', $args['search']));
+                $where .= " AND `transaction_id` = '" . esc_sql($args['search']) . "'";
 
-            } else if( false !== strpos( $args['search'], 'profile_id:' ) ) {
+            } else if (false !== strpos($args['search'], 'profile_id:')) {
 
-                $args['search'] = trim( str_replace( 'profile_id:', '', $args['search'] ) );
-                $where .= " AND `profile_id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('profile_id:', '', $args['search']));
+                $where .= " AND `profile_id` = '" . esc_sql($args['search']) . "'";
 
-            } else if( false !== strpos( $args['search'], 'product_id:' ) ) {
+            } else if (false !== strpos($args['search'], 'product_id:')) {
 
-                $args['search'] = trim( str_replace( 'product_id:', '', $args['search'] ) );
-                $where .= " AND `product_id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('product_id:', '', $args['search']));
+                $where .= " AND `product_id` = '" . esc_sql($args['search']) . "'";
 
-            } else if( false !== strpos( $args['search'], 'customer_id:' ) ) {
+            } else if (false !== strpos($args['search'], 'customer_id:')) {
 
-                $args['search'] = trim( str_replace( 'customer_id:', '', $args['search'] ) );
-                $where .= " AND `customer_id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('customer_id:', '', $args['search']));
+                $where .= " AND `customer_id` = '" . esc_sql($args['search']) . "'";
 
             } else {
 
-                $where .= " AND ( `parent_payment_id` LIKE '%%" . esc_sql( $args['search'] ) . "%%' OR `profile_id` LIKE '%%" . esc_sql( $args['search'] ) . "%%' OR `transaction_id` LIKE '%%" . esc_sql( $args['search'] ) . "%%' OR `product_id` LIKE '%%" . esc_sql( $args['search'] ) . "%%' OR `id` = '" . esc_sql( $args['search'] ) . "' )";
+                $where .= " AND ( `parent_payment_id` LIKE '%%" . esc_sql($args['search']) . "%%' OR `profile_id` LIKE '%%" . esc_sql($args['search']) . "%%' OR `transaction_id` LIKE '%%" . esc_sql($args['search']) . "%%' OR `product_id` LIKE '%%" . esc_sql($args['search']) . "%%' OR `id` = '" . esc_sql($args['search']) . "' )";
 
             }
 
         }
 
-        $args['orderby'] = ! array_key_exists( $args['orderby'], $this->get_columns() ) ? 'id' : $args['orderby'];
+        $args['orderby'] = !array_key_exists($args['orderby'], $this->get_columns()) ? 'id' : $args['orderby'];
 
-        if( 'amount' == $args['orderby'] ) {
+        if ('amount' == $args['orderby']) {
             $args['orderby'] = 'amount+0';
         }
 
-        $cache_key = md5( 'wpinv_subscriptions_' . serialize( $args ) );
+        $cache_key = md5('wpinv_subscriptions_' . serialize($args));
 
-        $subscriptions = wp_cache_get( $cache_key, 'subscriptions' );
+        $subscriptions = wp_cache_get($cache_key, 'subscriptions');
 
-        $args['orderby'] = esc_sql( $args['orderby'] );
-        $args['order']   = esc_sql( $args['order'] );
+        $args['orderby'] = esc_sql($args['orderby']);
+        $args['order']   = esc_sql($args['order']);
 
-        if( $subscriptions === false ) {
-            $subscriptions = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM  $this->table_name $where ORDER BY {$args['orderby']} {$args['order']} LIMIT %d,%d;", absint( $args['offset'] ), absint( $args['number'] ) ), OBJECT );
+        if ($subscriptions === false) {
+            $subscriptions = $wpdb->get_results($wpdb->prepare("SELECT * FROM  $this->table_name $where ORDER BY {$args['orderby']} {$args['order']} LIMIT %d,%d;", absint($args['offset']), absint($args['number'])), OBJECT);
 
-            if( ! empty( $subscriptions ) ) {
+            if (!empty($subscriptions)) {
 
-                foreach( $subscriptions as $key => $subscription ) {
-                    $subscriptions[ $key ] = new WPInv_Subscription( $subscription );
+                foreach ($subscriptions as $key => $subscription) {
+                    $subscriptions[$key] = new WPInv_Subscription($subscription);
                 }
 
-                wp_cache_set( $cache_key, $subscriptions, 'subscriptions', 3600 );
+                wp_cache_set($cache_key, $subscriptions, 'subscriptions', 3600);
 
             }
 
@@ -329,19 +329,19 @@ 
      * @access  public
      * @since   1.0.0
      */
-    public function count( $args = array() ) {
+    public function count($args = array()) {
 
         global $wpdb;
 
         $where = ' WHERE 1=1 ';
 
         // specific customers
-        if( ! empty( $args['id'] ) ) {
+        if (!empty($args['id'])) {
 
-            if( is_array( $args['id'] ) ) {
-                $ids = implode( ',', array_map('intval', $args['id'] ) );
+            if (is_array($args['id'])) {
+                $ids = implode(',', array_map('intval', $args['id']));
             } else {
-                $ids = intval( $args['id'] );
+                $ids = intval($args['id']);
             }
 
             $where .= " AND `id` IN( {$ids} ) ";
@@ -349,12 +349,12 @@ 
         }
 
         // Specific products
-        if( ! empty( $args['product_id'] ) ) {
+        if (!empty($args['product_id'])) {
 
-            if( is_array( $args['product_id'] ) ) {
-                $product_ids = implode( ',', array_map('intval', $args['product_id'] ) );
+            if (is_array($args['product_id'])) {
+                $product_ids = implode(',', array_map('intval', $args['product_id']));
             } else {
-                $product_ids = intval( $args['product_id'] );
+                $product_ids = intval($args['product_id']);
             }
 
             $where .= " AND `product_id` IN( {$product_ids} ) ";
@@ -362,12 +362,12 @@ 
         }
 
         // Specific parent payments
-        if( ! empty( $args['parent_payment_id'] ) ) {
+        if (!empty($args['parent_payment_id'])) {
 
-            if( is_array( $args['parent_payment_id'] ) ) {
-                $parent_payment_ids = implode( ',', array_map('intval', $args['parent_payment_id'] ) );
+            if (is_array($args['parent_payment_id'])) {
+                $parent_payment_ids = implode(',', array_map('intval', $args['parent_payment_id']));
             } else {
-                $parent_payment_ids = intval( $args['parent_payment_id'] );
+                $parent_payment_ids = intval($args['parent_payment_id']);
             }
 
             $where .= " AND `parent_payment_id` IN( {$parent_payment_ids} ) ";
@@ -375,12 +375,12 @@ 
         }
 
         // Subscriptoins for specific customers
-        if( ! empty( $args['customer_id'] ) ) {
+        if (!empty($args['customer_id'])) {
 
-            if( is_array( $args['customer_id'] ) ) {
-                $customer_ids = implode( ',', array_map('intval', $args['customer_id'] ) );
+            if (is_array($args['customer_id'])) {
+                $customer_ids = implode(',', array_map('intval', $args['customer_id']));
             } else {
-                $customer_ids = intval( $args['customer_id'] );
+                $customer_ids = intval($args['customer_id']);
             }
 
             $where .= " AND `customer_id` IN( {$customer_ids} ) ";
@@ -388,12 +388,12 @@ 
         }
 
         // Subscriptions for specific profile IDs
-        if( ! empty( $args['profile_id'] ) ) {
+        if (!empty($args['profile_id'])) {
 
-            if( is_array( $args['profile_id'] ) ) {
-                $profile_ids = implode( ',', array_map('intval', $args['profile_id'] ) );
+            if (is_array($args['profile_id'])) {
+                $profile_ids = implode(',', array_map('intval', $args['profile_id']));
             } else {
-                $profile_ids = intval( $args['profile_id'] );
+                $profile_ids = intval($args['profile_id']);
             }
 
             $where .= " AND `profile_id` IN( {$profile_ids} ) ";
@@ -401,12 +401,12 @@ 
         }
 
         // Specific transaction IDs
-        if( ! empty( $args['transaction_id'] ) ) {
+        if (!empty($args['transaction_id'])) {
 
-            if( is_array( $args['transaction_id'] ) ) {
-                $transaction_ids = implode( ',', array_map('sanitize_text_field', $args['transaction_id'] ) );
+            if (is_array($args['transaction_id'])) {
+                $transaction_ids = implode(',', array_map('sanitize_text_field', $args['transaction_id']));
             } else {
-                $transaction_ids = sanitize_text_field( $args['transaction_id'] );
+                $transaction_ids = sanitize_text_field($args['transaction_id']);
             }
 
             $where .= " AND `transaction_id` IN( {$transaction_ids} ) ";
@@ -414,10 +414,10 @@ 
         }
 
         // Subscriptions for specific statuses
-        if( ! empty( $args['status'] ) ) {
+        if (!empty($args['status'])) {
 
-            if( is_array( $args['status'] ) ) {
-                $statuses = implode( ',', $args['status'] );
+            if (is_array($args['status'])) {
+                $statuses = implode(',', $args['status']);
                 $where  .= " AND `status` IN( {$statuses} ) ";
             } else {
                 $statuses = $args['status'];
@@ -429,21 +429,21 @@ 
         }
 
         // Subscriptions created for a specific date or in a date range
-        if( ! empty( $args['date'] ) ) {
+        if (!empty($args['date'])) {
 
-            if( is_array( $args['date'] ) ) {
+            if (is_array($args['date'])) {
 
-                if( ! empty( $args['date']['start'] ) ) {
+                if (!empty($args['date']['start'])) {
 
-                    $start = date( 'Y-m-d H:i:s', strtotime( $args['date']['start'] ) );
+                    $start = date('Y-m-d H:i:s', strtotime($args['date']['start']));
 
                     $where .= " AND `created` >= '{$start}'";
 
                 }
 
-                if( ! empty( $args['date']['end'] ) ) {
+                if (!empty($args['date']['end'])) {
 
-                    $end = date( 'Y-m-d H:i:s', strtotime( $args['date']['end'] ) );
+                    $end = date('Y-m-d H:i:s', strtotime($args['date']['end']));
 
                     $where .= " AND `created` <= '{$end}'";
 
@@ -451,9 +451,9 @@ 
 
             } else {
 
-                $year  = date( 'Y', strtotime( $args['date'] ) );
-                $month = date( 'm', strtotime( $args['date'] ) );
-                $day   = date( 'd', strtotime( $args['date'] ) );
+                $year  = date('Y', strtotime($args['date']));
+                $month = date('m', strtotime($args['date']));
+                $day   = date('d', strtotime($args['date']));
 
                 $where .= " AND $year = YEAR ( created ) AND $month = MONTH ( created ) AND $day = DAY ( created )";
             }
@@ -461,21 +461,21 @@ 
         }
 
         // Subscriptions with a specific expiration date or in an expiration date range
-        if( ! empty( $args['expiration'] ) ) {
+        if (!empty($args['expiration'])) {
 
-            if( is_array( $args['expiration'] ) ) {
+            if (is_array($args['expiration'])) {
 
-                if( ! empty( $args['expiration']['start'] ) ) {
+                if (!empty($args['expiration']['start'])) {
 
-                    $start = date( 'Y-m-d H:i:s', strtotime( $args['expiration']['start'] ) );
+                    $start = date('Y-m-d H:i:s', strtotime($args['expiration']['start']));
 
                     $where .= " AND `expiration` >= '{$start}'";
 
                 }
 
-                if( ! empty( $args['expiration']['end'] ) ) {
+                if (!empty($args['expiration']['end'])) {
 
-                    $end = date( 'Y-m-d H:i:s', strtotime( $args['expiration']['end'] ) );
+                    $end = date('Y-m-d H:i:s', strtotime($args['expiration']['end']));
 
                     $where .= " AND `expiration` <= '{$end}'";
 
@@ -483,64 +483,64 @@ 
 
             } else {
 
-                $year  = date( 'Y', strtotime( $args['expiration'] ) );
-                $month = date( 'm', strtotime( $args['expiration'] ) );
-                $day   = date( 'd', strtotime( $args['expiration'] ) );
+                $year  = date('Y', strtotime($args['expiration']));
+                $month = date('m', strtotime($args['expiration']));
+                $day   = date('d', strtotime($args['expiration']));
 
                 $where .= " AND $year = YEAR ( expiration ) AND $month = MONTH ( expiration ) AND $day = DAY ( expiration )";
             }
 
         }
 
-        if ( ! empty( $args['search'] ) ) {
+        if (!empty($args['search'])) {
 
-            if( false !== strpos( 'id:', $args['search'] ) ) {
+            if (false !== strpos('id:', $args['search'])) {
 
-                $args['search'] = trim( str_replace( 'id:', '', $args['search'] ) );
-                $where .= " AND `id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('id:', '', $args['search']));
+                $where .= " AND `id` = '" . esc_sql($args['search']) . "'";
 
-            } else if( false !== strpos( $args['search'], 'txn:' ) ) {
+            } else if (false !== strpos($args['search'], 'txn:')) {
 
-                $args['search'] = trim( str_replace( 'txn:', '', $args['search'] ) );
-                $where .= " AND `transaction_id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('txn:', '', $args['search']));
+                $where .= " AND `transaction_id` = '" . esc_sql($args['search']) . "'";
 
-            } else if( false !== strpos( $args['search'], 'profile_id:' ) ) {
+            } else if (false !== strpos($args['search'], 'profile_id:')) {
 
-                $args['search'] = trim( str_replace( 'profile_id:', '', $args['search'] ) );
-                $where .= " AND `profile_id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('profile_id:', '', $args['search']));
+                $where .= " AND `profile_id` = '" . esc_sql($args['search']) . "'";
 
-            } else if( false !== strpos( $args['search'], 'product_id:' ) ) {
+            } else if (false !== strpos($args['search'], 'product_id:')) {
 
-                $args['search'] = trim( str_replace( 'product_id:', '', $args['search'] ) );
-                $where .= " AND `product_id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('product_id:', '', $args['search']));
+                $where .= " AND `product_id` = '" . esc_sql($args['search']) . "'";
 
-            } else if( false !== strpos( $args['search'], 'customer_id:' ) ) {
+            } else if (false !== strpos($args['search'], 'customer_id:')) {
 
-                $args['search'] = trim( str_replace( 'customer_id:', '', $args['search'] ) );
-                $where .= " AND `customer_id` = '" . esc_sql( $args['search'] ) . "'";
+                $args['search'] = trim(str_replace('customer_id:', '', $args['search']));
+                $where .= " AND `customer_id` = '" . esc_sql($args['search']) . "'";
 
             } else {
 
-                $where .= " AND ( `parent_payment_id` LIKE '%%" . esc_sql( $args['search'] ) . "%%' OR `profile_id` LIKE '%%" . esc_sql( $args['search'] ) . "%%' OR `transaction_id` LIKE '%%" . esc_sql( $args['search'] ) . "%%' OR `product_id` LIKE '%%" . esc_sql( $args['search'] ) . "%%' OR `id` = '" . esc_sql( $args['search'] ) . "' )";
+                $where .= " AND ( `parent_payment_id` LIKE '%%" . esc_sql($args['search']) . "%%' OR `profile_id` LIKE '%%" . esc_sql($args['search']) . "%%' OR `transaction_id` LIKE '%%" . esc_sql($args['search']) . "%%' OR `product_id` LIKE '%%" . esc_sql($args['search']) . "%%' OR `id` = '" . esc_sql($args['search']) . "' )";
 
             }
 
         }
 
-        $cache_key = md5( 'wpinv_subscriptions_count' . serialize( $args ) );
+        $cache_key = md5('wpinv_subscriptions_count' . serialize($args));
 
-        $count = wp_cache_get( $cache_key, 'subscriptions' );
+        $count = wp_cache_get($cache_key, 'subscriptions');
 
-        if( $count === false ) {
+        if ($count === false) {
 
             $sql   = "SELECT COUNT($this->primary_key) FROM " . $this->table_name . "{$where};";
-            $count = $wpdb->get_var( $sql );
+            $count = $wpdb->get_var($sql);
 
-            wp_cache_set( $cache_key, $count, 'subscriptions', 3600 );
+            wp_cache_set($cache_key, $count, 'subscriptions', 3600);
 
         }
 
-        return absint( $count );
+        return absint($count);
 
     }
 
@@ -554,7 +554,7 @@ 
 
         global $wpdb;
 
-        require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
+        require_once(ABSPATH . 'wp-admin/includes/upgrade.php');
 
         $sql = "CREATE TABLE " . $this->table_name . " (
 		id bigint(20) NOT NULL AUTO_INCREMENT,
@@ -579,9 +579,9 @@ 
 		KEY customer_and_status ( customer_id, status)
 		) CHARACTER SET utf8 COLLATE utf8_general_ci;";
 
-        dbDelta( $sql );
+        dbDelta($sql);
 
-        update_option( $this->table_name . '_wpinv_db_version', $this->version );
+        update_option($this->table_name . '_wpinv_db_version', $this->version);
     }
 
 }
\ No newline at end of file

includes/admin/class-wpinv-subscriptions-list-table.php

Braces +3 added lines, -1 removed lines

@@ -8,7 +8,9 @@
 
 
 // Exit if accessed directly
-if ( ! defined( 'ABSPATH' ) ) exit;
+if ( ! defined( 'ABSPATH' ) ) {
+    exit;
+}
 
 
 // Load WP_List_Table if not loaded

Indentation +349 added lines, -349 removed lines

@@ -13,7 +13,7 @@ 
 
 // Load WP_List_Table if not loaded
 if( ! class_exists( 'WP_List_Table' ) ) {
-	require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
+    require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
 }
 
 /**
@@ -23,102 +23,102 @@ 
  */
 class WPInv_Subscription_Reports_Table extends WP_List_Table {
 
-	/**
-	 * Number of results to show per page
-	 *
-	 * @since       1.0.0
-	 */
-
-	public $per_page        = 30;
-	public $total_count     = 0;
-	public $active_count    = 0;
-	public $pending_count   = 0;
-	public $expired_count   = 0;
-	public $completed_count = 0;
-	public $trialling_count  = 0;
-	public $cancelled_count = 0;
-	public $failing_count   = 0;
-
-	/**
-	 * Get things started
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      void
-	 */
-	function __construct(){
-		global $status, $page;
-
-		// Set parent defaults
-		parent::__construct( array(
-			'singular'  => 'subscription',
-			'plural'    => 'subscriptions',
-			'ajax'      => false
-		) );
-
-		$this->get_subscription_counts();
-
-	}
-
-	/**
-	 * Retrieve the view types
-	 *
-	 * @access public
-	 * @since 1.0.0
-	 * @return array $views All the views available
-	 */
-	public function get_views() {
-
-		$current         = isset( $_GET['status'] ) ? $_GET['status'] : '';
-		$total_count     = '&nbsp;<span class="count">(' . $this->total_count    . ')</span>';
-		$active_count    = '&nbsp;<span class="count">(' . $this->active_count . ')</span>';
-		$pending_count   = '&nbsp;<span class="count">(' . $this->pending_count . ')</span>';
-		$expired_count   = '&nbsp;<span class="count">(' . $this->expired_count  . ')</span>';
-		$completed_count = '&nbsp;<span class="count">(' . $this->completed_count . ')</span>';
-		$trialling_count  = '&nbsp;<span class="count">(' . $this->trialling_count   . ')</span>';
-		$cancelled_count = '&nbsp;<span class="count">(' . $this->cancelled_count   . ')</span>';
-		$failing_count   = '&nbsp;<span class="count">(' . $this->failing_count   . ')</span>';
-
-		$views = array(
-			'all'       => sprintf( '<a href="%s"%s>%s</a>', remove_query_arg( array( 'status', 'paged' ) ), $current === 'all' || $current == '' ? ' class="current"' : '', __('All','invoicing' ) . $total_count ),
-			'active'    => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'active', 'paged' => FALSE ) ), $current === 'active' ? ' class="current"' : '', __('Active','invoicing' ) . $active_count ),
-			'pending'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'pending', 'paged' => FALSE ) ), $current === 'pending' ? ' class="current"' : '', __('Pending','invoicing' ) . $pending_count ),
-			'expired'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'expired', 'paged' => FALSE ) ), $current === 'expired' ? ' class="current"' : '', __('Expired','invoicing' ) . $expired_count ),
-			'completed' => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'completed', 'paged' => FALSE ) ), $current === 'completed' ? ' class="current"' : '', __('Completed','invoicing' ) . $completed_count ),
-			'trialling'  => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'trialling', 'paged' => FALSE ) ), $current === 'trialling' ? ' class="current"' : '', __('Trialling','invoicing' ) . $trialling_count ),
-			'cancelled' => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'cancelled', 'paged' => FALSE ) ), $current === 'cancelled' ? ' class="current"' : '', __('Cancelled','invoicing' ) . $cancelled_count ),
-			'failing'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'failing', 'paged' => FALSE ) ), $current === 'failing' ? ' class="current"' : '', __('Failing','invoicing' ) . $failing_count ),
-		);
-
-		return apply_filters( 'wpinv_recurring_subscriptions_table_views', $views );
-	}
-
-	/**
-	 * Show the search field
-	 *
-	 * @since 2.5
-	 * @access public
-	 *
-	 * @param string $text Label for the search box
-	 * @param string $input_id ID of the search box
-	 *
-	 * @return void
-	 */
-	public function search_box( $text, $input_id ) {
-
-		if ( empty( $_REQUEST['s'] ) && ! $this->has_items() ) {
-			return;
-		}
-
-		$input_id = $input_id . '-search-input';
-
-		if ( ! empty( $_REQUEST['orderby'] ) ) {
-			echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';
-		}
-
-		if ( ! empty( $_REQUEST['order'] ) ) {
-			echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';
-		}
+    /**
+     * Number of results to show per page
+     *
+     * @since       1.0.0
+     */
+
+    public $per_page        = 30;
+    public $total_count     = 0;
+    public $active_count    = 0;
+    public $pending_count   = 0;
+    public $expired_count   = 0;
+    public $completed_count = 0;
+    public $trialling_count  = 0;
+    public $cancelled_count = 0;
+    public $failing_count   = 0;
+
+    /**
+     * Get things started
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      void
+     */
+    function __construct(){
+        global $status, $page;
+
+        // Set parent defaults
+        parent::__construct( array(
+            'singular'  => 'subscription',
+            'plural'    => 'subscriptions',
+            'ajax'      => false
+        ) );
+
+        $this->get_subscription_counts();
+
+    }
+
+    /**
+     * Retrieve the view types
+     *
+     * @access public
+     * @since 1.0.0
+     * @return array $views All the views available
+     */
+    public function get_views() {
+
+        $current         = isset( $_GET['status'] ) ? $_GET['status'] : '';
+        $total_count     = '&nbsp;<span class="count">(' . $this->total_count    . ')</span>';
+        $active_count    = '&nbsp;<span class="count">(' . $this->active_count . ')</span>';
+        $pending_count   = '&nbsp;<span class="count">(' . $this->pending_count . ')</span>';
+        $expired_count   = '&nbsp;<span class="count">(' . $this->expired_count  . ')</span>';
+        $completed_count = '&nbsp;<span class="count">(' . $this->completed_count . ')</span>';
+        $trialling_count  = '&nbsp;<span class="count">(' . $this->trialling_count   . ')</span>';
+        $cancelled_count = '&nbsp;<span class="count">(' . $this->cancelled_count   . ')</span>';
+        $failing_count   = '&nbsp;<span class="count">(' . $this->failing_count   . ')</span>';
+
+        $views = array(
+            'all'       => sprintf( '<a href="%s"%s>%s</a>', remove_query_arg( array( 'status', 'paged' ) ), $current === 'all' || $current == '' ? ' class="current"' : '', __('All','invoicing' ) . $total_count ),
+            'active'    => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'active', 'paged' => FALSE ) ), $current === 'active' ? ' class="current"' : '', __('Active','invoicing' ) . $active_count ),
+            'pending'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'pending', 'paged' => FALSE ) ), $current === 'pending' ? ' class="current"' : '', __('Pending','invoicing' ) . $pending_count ),
+            'expired'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'expired', 'paged' => FALSE ) ), $current === 'expired' ? ' class="current"' : '', __('Expired','invoicing' ) . $expired_count ),
+            'completed' => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'completed', 'paged' => FALSE ) ), $current === 'completed' ? ' class="current"' : '', __('Completed','invoicing' ) . $completed_count ),
+            'trialling'  => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'trialling', 'paged' => FALSE ) ), $current === 'trialling' ? ' class="current"' : '', __('Trialling','invoicing' ) . $trialling_count ),
+            'cancelled' => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'cancelled', 'paged' => FALSE ) ), $current === 'cancelled' ? ' class="current"' : '', __('Cancelled','invoicing' ) . $cancelled_count ),
+            'failing'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'failing', 'paged' => FALSE ) ), $current === 'failing' ? ' class="current"' : '', __('Failing','invoicing' ) . $failing_count ),
+        );
+
+        return apply_filters( 'wpinv_recurring_subscriptions_table_views', $views );
+    }
+
+    /**
+     * Show the search field
+     *
+     * @since 2.5
+     * @access public
+     *
+     * @param string $text Label for the search box
+     * @param string $input_id ID of the search box
+     *
+     * @return void
+     */
+    public function search_box( $text, $input_id ) {
+
+        if ( empty( $_REQUEST['s'] ) && ! $this->has_items() ) {
+            return;
+        }
+
+        $input_id = $input_id . '-search-input';
+
+        if ( ! empty( $_REQUEST['orderby'] ) ) {
+            echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';
+        }
+
+        if ( ! empty( $_REQUEST['order'] ) ) {
+            echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';
+        }
 ?>
 		<p class="search-box">
 			<?php do_action( 'wpinv_recurring_subscription_search_box' ); ?>
@@ -127,18 +127,18 @@ 
 			<?php submit_button( $text, 'button', false, false, array('ID' => 'search-submit') ); ?><br/>
 		</p>
 <?php
-	}
-
-	/**
-	 * Render most columns
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_default( $item, $column_name ) {
-		return $item->$column_name;
-	}
+    }
+
+    /**
+     * Render most columns
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_default( $item, $column_name ) {
+        return $item->$column_name;
+    }
 
     /**
      * Subscription id column
@@ -151,244 +151,244 @@ 
         return '<a href="' . esc_url( admin_url( 'admin.php?page=wpinv-subscriptions&id=' . $item->id ) ) . '" target="_blank">' . $item->id . '</a>';
     }
 
-	/**
-	 * Customer column
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_customer_id( $item ) {
-		$subscriber = get_userdata( $item->customer_id );
-		$customer   = ! empty( $subscriber->display_name ) ? $subscriber->display_name : $subscriber->user_email;
-
-		return '<a href="' . esc_url( get_edit_user_link( $item->customer_id ) ) . '" target="_blank">' . $customer . '</a>';
-	}
-
-	/**
-	 * Status column
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_status( $item ) {
-		return $item->get_status_label();
-	}
-
-	/**
-	 * Period column
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_period( $item ) {
-
-		$period = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency( $item->period,$item->frequency );
-
-		return wpinv_price( wpinv_format_amount( $item->recurring_amount ), wpinv_get_invoice_currency_code( $item->parent_payment_id ) ) . ' / ' . $period;
-	}
-
-	/**
-	 * Billing Times column
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_bill_times( $item ) {
-		return $item->get_times_billed() . ' / ' . ( ( $item->bill_times == 0 ) ? 'Until Cancelled' : $item->bill_times );
-	}
-
-	/**
-	 * Initial Amount column
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_initial_amount( $item ) {
-		return wpinv_price( wpinv_format_amount( $item->initial_amount ), wpinv_get_invoice_currency_code( $item->parent_payment_id ) );
-	}
-
-	/**
-	 * Renewal date column
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_renewal_date( $item ) {
-		return $renewal_date = ! empty( $item->expiration ) ? date_i18n( get_option( 'date_format' ), strtotime( $item->expiration ) ) : __( 'N/A', 'invoicing' );
-	}
-
-	/**
-	 * Payment column
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_parent_payment_id( $item ) {
-		return '<a href="' . get_edit_post_link( $item->parent_payment_id ) . '" target="_blank">' . $item->parent_payment_id . '</a>';
-	}
-
-	/**
-	 * Product ID column
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      string
-	 */
-	function column_product_id( $item ) {
-		return '<a href="' . esc_url( admin_url( 'post.php?action=edit&post=' . $item->product_id ) ) . '" target="_blank">' . get_the_title( $item->product_id ) . '</a>';
-	}
-
-	/**
-	 * Render the edit column
-	 *
-	 * @access      private
-	 * @since       2.0
-	 * @return      string
-	 */
-	function column_actions( $item ) {
-		return '<a href="' . esc_url( admin_url( 'admin.php?page=wpinv-subscriptions&id=' . $item->id ) ) . '" title="' . esc_attr( __( 'View or edit subscription', 'invoicing' ) ) . '" target="_blank">' . __( 'View', 'invoicing' ) . '</a>';
-	}
-
-
-	/**
-	 * Retrieve the table columns
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      array
-	 */
-
-	function get_columns(){
-		$columns = array(
-			'sub_id'            => __( 'ID', 'invoicing' ),
-			'customer_id'       => __( 'Customer', 'invoicing' ),
-			'status'            => __( 'Status', 'invoicing' ),
-			'period'            => __( 'Billing Cycle', 'invoicing' ),
-			'initial_amount'    => __( 'Initial Amount', 'invoicing' ),
-			'bill_times'        => __( 'Times Billed', 'invoicing' ),
-			'renewal_date'      => __( 'Renewal Date', 'invoicing' ),
-			'parent_payment_id' => __( 'Invoice', 'invoicing' ),
-			'product_id'        => __( 'Item', 'invoicing' ),
-			'actions'           => __( 'Actions', 'invoicing' ),
-		);
-
-		return apply_filters( 'wpinv_report_subscription_columns', $columns );
-	}
-
-	/**
-	 * Retrieve the current page number
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @return      int
-	 */
-	function get_paged() {
-		return isset( $_GET['paged'] ) ? absint( $_GET['paged'] ) : 1;
-	}
-
-	/**
-	 * Retrieve the subscription counts
-	 *
-	 * @access public
-	 * @since 1.4
-	 * @return void
-	 */
-	public function get_subscription_counts() {
-
-		global $wp_query;
-
-		$db = new WPInv_Subscriptions_DB;
-
-		$search = ! empty( $_GET['s'] ) ? sanitize_text_field( $_GET['s'] ) : '';
-
-		$this->total_count     = $db->count();
-		$this->active_count    = $db->count( array( 'status' => 'active', 'search' => $search ) );
-		$this->pending_count   = $db->count( array( 'status' => 'pending', 'search' => $search ) );
-		$this->expired_count   = $db->count( array( 'status' => 'expired', 'search' => $search ) );
-		$this->trialling_count  = $db->count( array( 'status' => 'trialling', 'search' => $search ) );
-		$this->cancelled_count = $db->count( array( 'status' => 'cancelled', 'search' => $search ) );
-		$this->completed_count = $db->count( array( 'status' => 'completed', 'search' => $search ) );
-		$this->failing_count   = $db->count( array( 'status' => 'failing', 'search' => $search ) );
-
-	}
-
-	/**
-	 * Setup the final data for the table
-	 *
-	 * @access      private
-	 * @since       1.0.0
-	 * @uses        $this->_column_headers
-	 * @uses        $this->items
-	 * @uses        $this->get_columns()
-	 * @uses        $this->get_sortable_columns()
-	 * @uses        $this->get_pagenum()
-	 * @uses        $this->set_pagination_args()
-	 * @return      array
-	 */
-	function prepare_items() {
-
-		$columns  = $this->get_columns();
-		$hidden   = array(); // No hidden columns
-		$status   = isset( $_GET['status'] ) ? $_GET['status'] : 'any';
-		$sortable = $this->get_sortable_columns();
-
-		$this->_column_headers = array( $columns, $hidden, $sortable );
-
-		$current_page = $this->get_pagenum();
-
-		$db     = new WPInv_Subscriptions_DB;
-		$search = ! empty( $_GET['s'] ) ? sanitize_text_field( $_GET['s'] ) : '';
-		$args   = array(
-			'number' => $this->per_page,
-			'offset' => $this->per_page * ( $this->get_paged() - 1 ),
-			'search' => $search
-		);
-
-		if ( 'any' !== $status ) {
-			$args['status'] = $status;
-		}
-
-		$this->items = $db->get_subscriptions( $args );
-
-		switch ( $status ) {
-			case 'active':
-				$total_items = $this->active_count;
-				break;
-			case 'pending':
-				$total_items = $this->pending_count;
-				break;
-			case 'expired':
-				$total_items = $this->expired_count;
-				break;
-			case 'cancelled':
-				$total_items = $this->cancelled_count;
-				break;
-			case 'failing':
-				$total_items = $this->failing_count;
-				break;
-			case 'trialling':
-				$total_items = $this->trialling_count;
-				break;
-			case 'completed':
-				$total_items = $this->completed_count;
-				break;
-			case 'any':
-			default:
-				$total_items = $this->total_count;
-				break;
-		}
-
-		$this->set_pagination_args( array(
-			'total_items' => $total_items,
-			'per_page'    => $this->per_page,
-			'total_pages' => ceil( $total_items / $this->per_page )
-		) );
-	}
+    /**
+     * Customer column
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_customer_id( $item ) {
+        $subscriber = get_userdata( $item->customer_id );
+        $customer   = ! empty( $subscriber->display_name ) ? $subscriber->display_name : $subscriber->user_email;
+
+        return '<a href="' . esc_url( get_edit_user_link( $item->customer_id ) ) . '" target="_blank">' . $customer . '</a>';
+    }
+
+    /**
+     * Status column
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_status( $item ) {
+        return $item->get_status_label();
+    }
+
+    /**
+     * Period column
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_period( $item ) {
+
+        $period = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency( $item->period,$item->frequency );
+
+        return wpinv_price( wpinv_format_amount( $item->recurring_amount ), wpinv_get_invoice_currency_code( $item->parent_payment_id ) ) . ' / ' . $period;
+    }
+
+    /**
+     * Billing Times column
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_bill_times( $item ) {
+        return $item->get_times_billed() . ' / ' . ( ( $item->bill_times == 0 ) ? 'Until Cancelled' : $item->bill_times );
+    }
+
+    /**
+     * Initial Amount column
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_initial_amount( $item ) {
+        return wpinv_price( wpinv_format_amount( $item->initial_amount ), wpinv_get_invoice_currency_code( $item->parent_payment_id ) );
+    }
+
+    /**
+     * Renewal date column
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_renewal_date( $item ) {
+        return $renewal_date = ! empty( $item->expiration ) ? date_i18n( get_option( 'date_format' ), strtotime( $item->expiration ) ) : __( 'N/A', 'invoicing' );
+    }
+
+    /**
+     * Payment column
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_parent_payment_id( $item ) {
+        return '<a href="' . get_edit_post_link( $item->parent_payment_id ) . '" target="_blank">' . $item->parent_payment_id . '</a>';
+    }
+
+    /**
+     * Product ID column
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      string
+     */
+    function column_product_id( $item ) {
+        return '<a href="' . esc_url( admin_url( 'post.php?action=edit&post=' . $item->product_id ) ) . '" target="_blank">' . get_the_title( $item->product_id ) . '</a>';
+    }
+
+    /**
+     * Render the edit column
+     *
+     * @access      private
+     * @since       2.0
+     * @return      string
+     */
+    function column_actions( $item ) {
+        return '<a href="' . esc_url( admin_url( 'admin.php?page=wpinv-subscriptions&id=' . $item->id ) ) . '" title="' . esc_attr( __( 'View or edit subscription', 'invoicing' ) ) . '" target="_blank">' . __( 'View', 'invoicing' ) . '</a>';
+    }
+
+
+    /**
+     * Retrieve the table columns
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      array
+     */
+
+    function get_columns(){
+        $columns = array(
+            'sub_id'            => __( 'ID', 'invoicing' ),
+            'customer_id'       => __( 'Customer', 'invoicing' ),
+            'status'            => __( 'Status', 'invoicing' ),
+            'period'            => __( 'Billing Cycle', 'invoicing' ),
+            'initial_amount'    => __( 'Initial Amount', 'invoicing' ),
+            'bill_times'        => __( 'Times Billed', 'invoicing' ),
+            'renewal_date'      => __( 'Renewal Date', 'invoicing' ),
+            'parent_payment_id' => __( 'Invoice', 'invoicing' ),
+            'product_id'        => __( 'Item', 'invoicing' ),
+            'actions'           => __( 'Actions', 'invoicing' ),
+        );
+
+        return apply_filters( 'wpinv_report_subscription_columns', $columns );
+    }
+
+    /**
+     * Retrieve the current page number
+     *
+     * @access      private
+     * @since       1.0.0
+     * @return      int
+     */
+    function get_paged() {
+        return isset( $_GET['paged'] ) ? absint( $_GET['paged'] ) : 1;
+    }
+
+    /**
+     * Retrieve the subscription counts
+     *
+     * @access public
+     * @since 1.4
+     * @return void
+     */
+    public function get_subscription_counts() {
+
+        global $wp_query;
+
+        $db = new WPInv_Subscriptions_DB;
+
+        $search = ! empty( $_GET['s'] ) ? sanitize_text_field( $_GET['s'] ) : '';
+
+        $this->total_count     = $db->count();
+        $this->active_count    = $db->count( array( 'status' => 'active', 'search' => $search ) );
+        $this->pending_count   = $db->count( array( 'status' => 'pending', 'search' => $search ) );
+        $this->expired_count   = $db->count( array( 'status' => 'expired', 'search' => $search ) );
+        $this->trialling_count  = $db->count( array( 'status' => 'trialling', 'search' => $search ) );
+        $this->cancelled_count = $db->count( array( 'status' => 'cancelled', 'search' => $search ) );
+        $this->completed_count = $db->count( array( 'status' => 'completed', 'search' => $search ) );
+        $this->failing_count   = $db->count( array( 'status' => 'failing', 'search' => $search ) );
+
+    }
+
+    /**
+     * Setup the final data for the table
+     *
+     * @access      private
+     * @since       1.0.0
+     * @uses        $this->_column_headers
+     * @uses        $this->items
+     * @uses        $this->get_columns()
+     * @uses        $this->get_sortable_columns()
+     * @uses        $this->get_pagenum()
+     * @uses        $this->set_pagination_args()
+     * @return      array
+     */
+    function prepare_items() {
+
+        $columns  = $this->get_columns();
+        $hidden   = array(); // No hidden columns
+        $status   = isset( $_GET['status'] ) ? $_GET['status'] : 'any';
+        $sortable = $this->get_sortable_columns();
+
+        $this->_column_headers = array( $columns, $hidden, $sortable );
+
+        $current_page = $this->get_pagenum();
+
+        $db     = new WPInv_Subscriptions_DB;
+        $search = ! empty( $_GET['s'] ) ? sanitize_text_field( $_GET['s'] ) : '';
+        $args   = array(
+            'number' => $this->per_page,
+            'offset' => $this->per_page * ( $this->get_paged() - 1 ),
+            'search' => $search
+        );
+
+        if ( 'any' !== $status ) {
+            $args['status'] = $status;
+        }
+
+        $this->items = $db->get_subscriptions( $args );
+
+        switch ( $status ) {
+            case 'active':
+                $total_items = $this->active_count;
+                break;
+            case 'pending':
+                $total_items = $this->pending_count;
+                break;
+            case 'expired':
+                $total_items = $this->expired_count;
+                break;
+            case 'cancelled':
+                $total_items = $this->cancelled_count;
+                break;
+            case 'failing':
+                $total_items = $this->failing_count;
+                break;
+            case 'trialling':
+                $total_items = $this->trialling_count;
+                break;
+            case 'completed':
+                $total_items = $this->completed_count;
+                break;
+            case 'any':
+            default:
+                $total_items = $this->total_count;
+                break;
+        }
+
+        $this->set_pagination_args( array(
+            'total_items' => $total_items,
+            'per_page'    => $this->per_page,
+            'total_pages' => ceil( $total_items / $this->per_page )
+        ) );
+    }
 }

Spacing +83 added lines, -83 removed lines

@@ -8,11 +8,11 @@ 
 
 
 // Exit if accessed directly
-if ( ! defined( 'ABSPATH' ) ) exit;
+if (!defined('ABSPATH')) exit;
 
 
 // Load WP_List_Table if not loaded
-if( ! class_exists( 'WP_List_Table' ) ) {
+if (!class_exists('WP_List_Table')) {
 	require_once ABSPATH . 'wp-admin/includes/class-wp-list-table.php';
 }
 
@@ -35,7 +35,7 @@ 
 	public $pending_count   = 0;
 	public $expired_count   = 0;
 	public $completed_count = 0;
-	public $trialling_count  = 0;
+	public $trialling_count = 0;
 	public $cancelled_count = 0;
 	public $failing_count   = 0;
 
@@ -46,15 +46,15 @@ 
 	 * @since       1.0.0
 	 * @return      void
 	 */
-	function __construct(){
+	function __construct() {
 		global $status, $page;
 
 		// Set parent defaults
-		parent::__construct( array(
+		parent::__construct(array(
 			'singular'  => 'subscription',
 			'plural'    => 'subscriptions',
 			'ajax'      => false
-		) );
+		));
 
 		$this->get_subscription_counts();
 
@@ -69,28 +69,28 @@ 
 	 */
 	public function get_views() {
 
-		$current         = isset( $_GET['status'] ) ? $_GET['status'] : '';
-		$total_count     = '&nbsp;<span class="count">(' . $this->total_count    . ')</span>';
+		$current         = isset($_GET['status']) ? $_GET['status'] : '';
+		$total_count     = '&nbsp;<span class="count">(' . $this->total_count . ')</span>';
 		$active_count    = '&nbsp;<span class="count">(' . $this->active_count . ')</span>';
 		$pending_count   = '&nbsp;<span class="count">(' . $this->pending_count . ')</span>';
-		$expired_count   = '&nbsp;<span class="count">(' . $this->expired_count  . ')</span>';
+		$expired_count   = '&nbsp;<span class="count">(' . $this->expired_count . ')</span>';
 		$completed_count = '&nbsp;<span class="count">(' . $this->completed_count . ')</span>';
-		$trialling_count  = '&nbsp;<span class="count">(' . $this->trialling_count   . ')</span>';
-		$cancelled_count = '&nbsp;<span class="count">(' . $this->cancelled_count   . ')</span>';
-		$failing_count   = '&nbsp;<span class="count">(' . $this->failing_count   . ')</span>';
+		$trialling_count = '&nbsp;<span class="count">(' . $this->trialling_count . ')</span>';
+		$cancelled_count = '&nbsp;<span class="count">(' . $this->cancelled_count . ')</span>';
+		$failing_count   = '&nbsp;<span class="count">(' . $this->failing_count . ')</span>';
 
 		$views = array(
-			'all'       => sprintf( '<a href="%s"%s>%s</a>', remove_query_arg( array( 'status', 'paged' ) ), $current === 'all' || $current == '' ? ' class="current"' : '', __('All','invoicing' ) . $total_count ),
-			'active'    => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'active', 'paged' => FALSE ) ), $current === 'active' ? ' class="current"' : '', __('Active','invoicing' ) . $active_count ),
-			'pending'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'pending', 'paged' => FALSE ) ), $current === 'pending' ? ' class="current"' : '', __('Pending','invoicing' ) . $pending_count ),
-			'expired'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'expired', 'paged' => FALSE ) ), $current === 'expired' ? ' class="current"' : '', __('Expired','invoicing' ) . $expired_count ),
-			'completed' => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'completed', 'paged' => FALSE ) ), $current === 'completed' ? ' class="current"' : '', __('Completed','invoicing' ) . $completed_count ),
-			'trialling'  => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'trialling', 'paged' => FALSE ) ), $current === 'trialling' ? ' class="current"' : '', __('Trialling','invoicing' ) . $trialling_count ),
-			'cancelled' => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'cancelled', 'paged' => FALSE ) ), $current === 'cancelled' ? ' class="current"' : '', __('Cancelled','invoicing' ) . $cancelled_count ),
-			'failing'   => sprintf( '<a href="%s"%s>%s</a>', add_query_arg( array( 'status' => 'failing', 'paged' => FALSE ) ), $current === 'failing' ? ' class="current"' : '', __('Failing','invoicing' ) . $failing_count ),
+			'all'       => sprintf('<a href="%s"%s>%s</a>', remove_query_arg(array('status', 'paged')), $current === 'all' || $current == '' ? ' class="current"' : '', __('All', 'invoicing') . $total_count),
+			'active'    => sprintf('<a href="%s"%s>%s</a>', add_query_arg(array('status' => 'active', 'paged' => FALSE)), $current === 'active' ? ' class="current"' : '', __('Active', 'invoicing') . $active_count),
+			'pending'   => sprintf('<a href="%s"%s>%s</a>', add_query_arg(array('status' => 'pending', 'paged' => FALSE)), $current === 'pending' ? ' class="current"' : '', __('Pending', 'invoicing') . $pending_count),
+			'expired'   => sprintf('<a href="%s"%s>%s</a>', add_query_arg(array('status' => 'expired', 'paged' => FALSE)), $current === 'expired' ? ' class="current"' : '', __('Expired', 'invoicing') . $expired_count),
+			'completed' => sprintf('<a href="%s"%s>%s</a>', add_query_arg(array('status' => 'completed', 'paged' => FALSE)), $current === 'completed' ? ' class="current"' : '', __('Completed', 'invoicing') . $completed_count),
+			'trialling'  => sprintf('<a href="%s"%s>%s</a>', add_query_arg(array('status' => 'trialling', 'paged' => FALSE)), $current === 'trialling' ? ' class="current"' : '', __('Trialling', 'invoicing') . $trialling_count),
+			'cancelled' => sprintf('<a href="%s"%s>%s</a>', add_query_arg(array('status' => 'cancelled', 'paged' => FALSE)), $current === 'cancelled' ? ' class="current"' : '', __('Cancelled', 'invoicing') . $cancelled_count),
+			'failing'   => sprintf('<a href="%s"%s>%s</a>', add_query_arg(array('status' => 'failing', 'paged' => FALSE)), $current === 'failing' ? ' class="current"' : '', __('Failing', 'invoicing') . $failing_count),
 		);
 
-		return apply_filters( 'wpinv_recurring_subscriptions_table_views', $views );
+		return apply_filters('wpinv_recurring_subscriptions_table_views', $views);
 	}
 
 	/**
@@ -104,27 +104,27 @@ 
 	 *
 	 * @return void
 	 */
-	public function search_box( $text, $input_id ) {
+	public function search_box($text, $input_id) {
 
-		if ( empty( $_REQUEST['s'] ) && ! $this->has_items() ) {
+		if (empty($_REQUEST['s']) && !$this->has_items()) {
 			return;
 		}
 
 		$input_id = $input_id . '-search-input';
 
-		if ( ! empty( $_REQUEST['orderby'] ) ) {
-			echo '<input type="hidden" name="orderby" value="' . esc_attr( $_REQUEST['orderby'] ) . '" />';
+		if (!empty($_REQUEST['orderby'])) {
+			echo '<input type="hidden" name="orderby" value="' . esc_attr($_REQUEST['orderby']) . '" />';
 		}
 
-		if ( ! empty( $_REQUEST['order'] ) ) {
-			echo '<input type="hidden" name="order" value="' . esc_attr( $_REQUEST['order'] ) . '" />';
+		if (!empty($_REQUEST['order'])) {
+			echo '<input type="hidden" name="order" value="' . esc_attr($_REQUEST['order']) . '" />';
 		}
 ?>
 		<p class="search-box">
-			<?php do_action( 'wpinv_recurring_subscription_search_box' ); ?>
+			<?php do_action('wpinv_recurring_subscription_search_box'); ?>
 			<label class="screen-reader-text" for="<?php echo $input_id ?>"><?php echo $text; ?>:</label>
 			<input type="search" id="<?php echo $input_id ?>" name="s" value="<?php _admin_search_query(); ?>" />
-			<?php submit_button( $text, 'button', false, false, array('ID' => 'search-submit') ); ?><br/>
+			<?php submit_button($text, 'button', false, false, array('ID' => 'search-submit')); ?><br/>
 		</p>
 <?php
 	}
@@ -136,7 +136,7 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_default( $item, $column_name ) {
+	function column_default($item, $column_name) {
 		return $item->$column_name;
 	}
 
@@ -147,8 +147,8 @@ 
      * @since       1.0.0
      * @return      string
      */
-    function column_sub_id( $item ) {
-        return '<a href="' . esc_url( admin_url( 'admin.php?page=wpinv-subscriptions&id=' . $item->id ) ) . '" target="_blank">' . $item->id . '</a>';
+    function column_sub_id($item) {
+        return '<a href="' . esc_url(admin_url('admin.php?page=wpinv-subscriptions&id=' . $item->id)) . '" target="_blank">' . $item->id . '</a>';
     }
 
 	/**
@@ -158,11 +158,11 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_customer_id( $item ) {
-		$subscriber = get_userdata( $item->customer_id );
-		$customer   = ! empty( $subscriber->display_name ) ? $subscriber->display_name : $subscriber->user_email;
+	function column_customer_id($item) {
+		$subscriber = get_userdata($item->customer_id);
+		$customer   = !empty($subscriber->display_name) ? $subscriber->display_name : $subscriber->user_email;
 
-		return '<a href="' . esc_url( get_edit_user_link( $item->customer_id ) ) . '" target="_blank">' . $customer . '</a>';
+		return '<a href="' . esc_url(get_edit_user_link($item->customer_id)) . '" target="_blank">' . $customer . '</a>';
 	}
 
 	/**
@@ -172,7 +172,7 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_status( $item ) {
+	function column_status($item) {
 		return $item->get_status_label();
 	}
 
@@ -183,11 +183,11 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_period( $item ) {
+	function column_period($item) {
 
-		$period = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency( $item->period,$item->frequency );
+		$period = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency($item->period, $item->frequency);
 
-		return wpinv_price( wpinv_format_amount( $item->recurring_amount ), wpinv_get_invoice_currency_code( $item->parent_payment_id ) ) . ' / ' . $period;
+		return wpinv_price(wpinv_format_amount($item->recurring_amount), wpinv_get_invoice_currency_code($item->parent_payment_id)) . ' / ' . $period;
 	}
 
 	/**
@@ -197,8 +197,8 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_bill_times( $item ) {
-		return $item->get_times_billed() . ' / ' . ( ( $item->bill_times == 0 ) ? 'Until Cancelled' : $item->bill_times );
+	function column_bill_times($item) {
+		return $item->get_times_billed() . ' / ' . (($item->bill_times == 0) ? 'Until Cancelled' : $item->bill_times);
 	}
 
 	/**
@@ -208,8 +208,8 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_initial_amount( $item ) {
-		return wpinv_price( wpinv_format_amount( $item->initial_amount ), wpinv_get_invoice_currency_code( $item->parent_payment_id ) );
+	function column_initial_amount($item) {
+		return wpinv_price(wpinv_format_amount($item->initial_amount), wpinv_get_invoice_currency_code($item->parent_payment_id));
 	}
 
 	/**
@@ -219,8 +219,8 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_renewal_date( $item ) {
-		return $renewal_date = ! empty( $item->expiration ) ? date_i18n( get_option( 'date_format' ), strtotime( $item->expiration ) ) : __( 'N/A', 'invoicing' );
+	function column_renewal_date($item) {
+		return $renewal_date = !empty($item->expiration) ? date_i18n(get_option('date_format'), strtotime($item->expiration)) : __('N/A', 'invoicing');
 	}
 
 	/**
@@ -230,8 +230,8 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_parent_payment_id( $item ) {
-		return '<a href="' . get_edit_post_link( $item->parent_payment_id ) . '" target="_blank">' . $item->parent_payment_id . '</a>';
+	function column_parent_payment_id($item) {
+		return '<a href="' . get_edit_post_link($item->parent_payment_id) . '" target="_blank">' . $item->parent_payment_id . '</a>';
 	}
 
 	/**
@@ -241,8 +241,8 @@ 
 	 * @since       1.0.0
 	 * @return      string
 	 */
-	function column_product_id( $item ) {
-		return '<a href="' . esc_url( admin_url( 'post.php?action=edit&post=' . $item->product_id ) ) . '" target="_blank">' . get_the_title( $item->product_id ) . '</a>';
+	function column_product_id($item) {
+		return '<a href="' . esc_url(admin_url('post.php?action=edit&post=' . $item->product_id)) . '" target="_blank">' . get_the_title($item->product_id) . '</a>';
 	}
 
 	/**
@@ -252,8 +252,8 @@ 
 	 * @since       2.0
 	 * @return      string
 	 */
-	function column_actions( $item ) {
-		return '<a href="' . esc_url( admin_url( 'admin.php?page=wpinv-subscriptions&id=' . $item->id ) ) . '" title="' . esc_attr( __( 'View or edit subscription', 'invoicing' ) ) . '" target="_blank">' . __( 'View', 'invoicing' ) . '</a>';
+	function column_actions($item) {
+		return '<a href="' . esc_url(admin_url('admin.php?page=wpinv-subscriptions&id=' . $item->id)) . '" title="' . esc_attr(__('View or edit subscription', 'invoicing')) . '" target="_blank">' . __('View', 'invoicing') . '</a>';
 	}
 
 
@@ -265,21 +265,21 @@ 
 	 * @return      array
 	 */
 
-	function get_columns(){
+	function get_columns() {
 		$columns = array(
-			'sub_id'            => __( 'ID', 'invoicing' ),
-			'customer_id'       => __( 'Customer', 'invoicing' ),
-			'status'            => __( 'Status', 'invoicing' ),
-			'period'            => __( 'Billing Cycle', 'invoicing' ),
-			'initial_amount'    => __( 'Initial Amount', 'invoicing' ),
-			'bill_times'        => __( 'Times Billed', 'invoicing' ),
-			'renewal_date'      => __( 'Renewal Date', 'invoicing' ),
-			'parent_payment_id' => __( 'Invoice', 'invoicing' ),
-			'product_id'        => __( 'Item', 'invoicing' ),
-			'actions'           => __( 'Actions', 'invoicing' ),
+			'sub_id'            => __('ID', 'invoicing'),
+			'customer_id'       => __('Customer', 'invoicing'),
+			'status'            => __('Status', 'invoicing'),
+			'period'            => __('Billing Cycle', 'invoicing'),
+			'initial_amount'    => __('Initial Amount', 'invoicing'),
+			'bill_times'        => __('Times Billed', 'invoicing'),
+			'renewal_date'      => __('Renewal Date', 'invoicing'),
+			'parent_payment_id' => __('Invoice', 'invoicing'),
+			'product_id'        => __('Item', 'invoicing'),
+			'actions'           => __('Actions', 'invoicing'),
 		);
 
-		return apply_filters( 'wpinv_report_subscription_columns', $columns );
+		return apply_filters('wpinv_report_subscription_columns', $columns);
 	}
 
 	/**
@@ -290,7 +290,7 @@ 
 	 * @return      int
 	 */
 	function get_paged() {
-		return isset( $_GET['paged'] ) ? absint( $_GET['paged'] ) : 1;
+		return isset($_GET['paged']) ? absint($_GET['paged']) : 1;
 	}
 
 	/**
@@ -306,16 +306,16 @@ 
 
 		$db = new WPInv_Subscriptions_DB;
 
-		$search = ! empty( $_GET['s'] ) ? sanitize_text_field( $_GET['s'] ) : '';
+		$search = !empty($_GET['s']) ? sanitize_text_field($_GET['s']) : '';
 
 		$this->total_count     = $db->count();
-		$this->active_count    = $db->count( array( 'status' => 'active', 'search' => $search ) );
-		$this->pending_count   = $db->count( array( 'status' => 'pending', 'search' => $search ) );
-		$this->expired_count   = $db->count( array( 'status' => 'expired', 'search' => $search ) );
-		$this->trialling_count  = $db->count( array( 'status' => 'trialling', 'search' => $search ) );
-		$this->cancelled_count = $db->count( array( 'status' => 'cancelled', 'search' => $search ) );
-		$this->completed_count = $db->count( array( 'status' => 'completed', 'search' => $search ) );
-		$this->failing_count   = $db->count( array( 'status' => 'failing', 'search' => $search ) );
+		$this->active_count    = $db->count(array('status' => 'active', 'search' => $search));
+		$this->pending_count   = $db->count(array('status' => 'pending', 'search' => $search));
+		$this->expired_count   = $db->count(array('status' => 'expired', 'search' => $search));
+		$this->trialling_count = $db->count(array('status' => 'trialling', 'search' => $search));
+		$this->cancelled_count = $db->count(array('status' => 'cancelled', 'search' => $search));
+		$this->completed_count = $db->count(array('status' => 'completed', 'search' => $search));
+		$this->failing_count   = $db->count(array('status' => 'failing', 'search' => $search));
 
 	}
 
@@ -336,28 +336,28 @@ 
 
 		$columns  = $this->get_columns();
 		$hidden   = array(); // No hidden columns
-		$status   = isset( $_GET['status'] ) ? $_GET['status'] : 'any';
+		$status   = isset($_GET['status']) ? $_GET['status'] : 'any';
 		$sortable = $this->get_sortable_columns();
 
-		$this->_column_headers = array( $columns, $hidden, $sortable );
+		$this->_column_headers = array($columns, $hidden, $sortable);
 
 		$current_page = $this->get_pagenum();
 
 		$db     = new WPInv_Subscriptions_DB;
-		$search = ! empty( $_GET['s'] ) ? sanitize_text_field( $_GET['s'] ) : '';
+		$search = !empty($_GET['s']) ? sanitize_text_field($_GET['s']) : '';
 		$args   = array(
 			'number' => $this->per_page,
-			'offset' => $this->per_page * ( $this->get_paged() - 1 ),
+			'offset' => $this->per_page * ($this->get_paged() - 1),
 			'search' => $search
 		);
 
-		if ( 'any' !== $status ) {
+		if ('any' !== $status) {
 			$args['status'] = $status;
 		}
 
-		$this->items = $db->get_subscriptions( $args );
+		$this->items = $db->get_subscriptions($args);
 
-		switch ( $status ) {
+		switch ($status) {
 			case 'active':
 				$total_items = $this->active_count;
 				break;
@@ -385,10 +385,10 @@ 
 				break;
 		}
 
-		$this->set_pagination_args( array(
+		$this->set_pagination_args(array(
 			'total_items' => $total_items,
 			'per_page'    => $this->per_page,
-			'total_pages' => ceil( $total_items / $this->per_page )
-		) );
+			'total_pages' => ceil($total_items / $this->per_page)
+		));
 	}
 }

includes/admin/subscriptions.php

Braces +10 added lines, -4 removed lines

@@ -179,8 +179,11 @@ 
 											<label for="tablecell">
 												<?php if( 'trialling' == $sub->status ) : ?>
 													<?php _e( 'Trialling Until:', 'invoicing' ); ?>
-												<?php else: ?>
-													<?php _e( 'Expiration Date:', 'invoicing' ); ?>
+												<?php else {
+    : ?>
+													<?php _e( 'Expiration Date:', 'invoicing' );
+}
+?>
 												<?php endif; ?>
 											</label>
 										</td>
@@ -268,9 +271,12 @@ 
 									</td>
 								</tr>
 							<?php endforeach; ?>
-						<?php else: ?>
+						<?php else {
+    : ?>
 							<tr>
-								<td colspan="5"><?php _e( 'No Invoices Found.', 'invoicing' ); ?></td>
+								<td colspan="5"><?php _e( 'No Invoices Found.', 'invoicing' );
+}
+?></td>
 							</tr>
 						<?php endif; ?>
 						</tbody>

Indentation +83 added lines, -83 removed lines

@@ -8,23 +8,23 @@ 
  */
 function wpinv_subscriptions_page() {
 
-	if ( ! empty( $_GET['id'] ) ) {
+    if ( ! empty( $_GET['id'] ) ) {
 
         wpinv_recurring_subscription_details();
 
-		return;
+        return;
 
-	}
-	?>
+    }
+    ?>
 	<div class="wrap">
 
 		<h1>
 			<?php _e( 'Subscriptions', 'invoicing' ); ?>
 		</h1>
 		<?php
-		$subscribers_table = new WPInv_Subscription_Reports_Table();
-		$subscribers_table->prepare_items();
-		?>
+        $subscribers_table = new WPInv_Subscription_Reports_Table();
+        $subscribers_table->prepare_items();
+        ?>
 
 		<form id="subscribers-filter" method="get">
 
@@ -47,24 +47,24 @@ 
  */
 function wpinv_recurring_subscription_details() {
 
-	$render = true;
+    $render = true;
 
-	if ( ! current_user_can( 'manage_invoicing' ) ) {
-		die( __( 'You are not permitted to view this data.', 'invoicing' ) );
-	}
+    if ( ! current_user_can( 'manage_invoicing' ) ) {
+        die( __( 'You are not permitted to view this data.', 'invoicing' ) );
+    }
 
-	if ( ! isset( $_GET['id'] ) || ! is_numeric( $_GET['id'] ) ) {
+    if ( ! isset( $_GET['id'] ) || ! is_numeric( $_GET['id'] ) ) {
         die( __( 'Invalid subscription ID Provided.', 'invoicing' ) );
-	}
+    }
 
-	$sub_id  = (int) $_GET['id'];
-	$sub     = new WPInv_Subscription( $sub_id );
+    $sub_id  = (int) $_GET['id'];
+    $sub     = new WPInv_Subscription( $sub_id );
 
-	if ( empty( $sub ) ) {
-		die( __( 'Invalid subscription ID Provided.', 'invoicing' ) );
-	}
+    if ( empty( $sub ) ) {
+        die( __( 'Invalid subscription ID Provided.', 'invoicing' ) );
+    }
 
-	?>
+    ?>
 	<div class="wrap">
 		<h2><?php _e( 'Subscription Details', 'invoicing' ); ?></h2>
 
@@ -88,11 +88,11 @@ 
 										</td>
 										<td>
 											<?php
-											$frequency = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency( $sub->period, $sub->frequency );
-											$billing   = wpinv_price( wpinv_format_amount( $sub->recurring_amount ), wpinv_get_invoice_currency_code( $sub->parent_payment_id ) ) . ' / ' . $frequency;
-											$initial   = wpinv_price( wpinv_format_amount( $sub->initial_amount ), wpinv_get_invoice_currency_code( $sub->parent_payment_id ) );
-											printf( _x( '%s then %s', 'Initial subscription amount then billing cycle and amount', 'invoicing' ), $initial, $billing );
-											?>
+                                            $frequency = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency( $sub->period, $sub->frequency );
+                                            $billing   = wpinv_price( wpinv_format_amount( $sub->recurring_amount ), wpinv_get_invoice_currency_code( $sub->parent_payment_id ) ) . ' / ' . $frequency;
+                                            $initial   = wpinv_price( wpinv_format_amount( $sub->initial_amount ), wpinv_get_invoice_currency_code( $sub->parent_payment_id ) );
+                                            printf( _x( '%s then %s', 'Initial subscription amount then billing cycle and amount', 'invoicing' ), $initial, $billing );
+                                            ?>
 										</td>
 									</tr>
 									<tr>
@@ -133,9 +133,9 @@ 
 
                                             ?>
 											<a href="<?php echo esc_url( add_query_arg( array(
-													'post'   => $sub->product_id,
-													'action' => 'edit'
-												), admin_url( 'post.php' ) ) ); ?>" target="_blank"><?php _e( 'View Item', 'invoicing' ) ; ?></a>
+                                                    'post'   => $sub->product_id,
+                                                    'action' => 'edit'
+                                                ), admin_url( 'post.php' ) ) ); ?>" target="_blank"><?php _e( 'View Item', 'invoicing' ) ; ?></a>
 										</td>
 									</tr>
 									<tr>
@@ -261,7 +261,7 @@ 
 									<td><?php echo wpinv_get_invoice_status( $payment->ID, true ); ?></td>
 									<td>
 										<a title="<?php _e( 'View Details for Invoice.', 'invoicing' );
-										echo ' ' . $payment->ID; ?>" href="<?php echo get_edit_post_link( $payment->ID ); ?>">
+                                        echo ' ' . $payment->ID; ?>" href="<?php echo get_edit_post_link( $payment->ID ); ?>">
 											<?php _e( 'View Details', 'invoicing' ); ?>
 										</a>
 										<?php do_action( 'wpinv_subscription_payments_actions', $sub, $payment ); ?>
@@ -299,58 +299,58 @@ 
  */
 function wpinv_recurring_process_subscription_update() {
 
-	if( empty( $_POST['sub_id'] ) ) {
-		return;
-	}
+    if( empty( $_POST['sub_id'] ) ) {
+        return;
+    }
 
-	if( empty( $_POST['wpinv_update_subscription'] ) ) {
-		return;
-	}
+    if( empty( $_POST['wpinv_update_subscription'] ) ) {
+        return;
+    }
 
-	if( ! current_user_can( 'manage_invoicing') ) {
-		return;
-	}
+    if( ! current_user_can( 'manage_invoicing') ) {
+        return;
+    }
 
-	if( ! wp_verify_nonce( $_POST['wpinv-recurring-update-nonce'], 'wpinv-recurring-update' ) ) {
-		wp_die( __( 'Nonce verification failed', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
-	}
+    if( ! wp_verify_nonce( $_POST['wpinv-recurring-update-nonce'], 'wpinv-recurring-update' ) ) {
+        wp_die( __( 'Nonce verification failed', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+    }
 
-	$expiration      = date( 'Y-m-d 23:59:59', strtotime( $_POST['expiration'] ) );
-	$profile_id      = sanitize_text_field( $_POST['profile_id'] );
-	$transaction_id  = sanitize_text_field( $_POST['transaction_id'] );
-	$product_id      = absint( $_POST['product_id'] );
-	$subscription    = new WPInv_Subscription( absint( $_POST['sub_id'] ) );
-	$subscription->update( array(
-		'status'         => sanitize_text_field( $_POST['status'] ),
-		'expiration'     => $expiration,
-		'profile_id'     => $profile_id,
-		'product_id'     => $product_id,
-		'transaction_id' => $transaction_id,
-	) );
+    $expiration      = date( 'Y-m-d 23:59:59', strtotime( $_POST['expiration'] ) );
+    $profile_id      = sanitize_text_field( $_POST['profile_id'] );
+    $transaction_id  = sanitize_text_field( $_POST['transaction_id'] );
+    $product_id      = absint( $_POST['product_id'] );
+    $subscription    = new WPInv_Subscription( absint( $_POST['sub_id'] ) );
+    $subscription->update( array(
+        'status'         => sanitize_text_field( $_POST['status'] ),
+        'expiration'     => $expiration,
+        'profile_id'     => $profile_id,
+        'product_id'     => $product_id,
+        'transaction_id' => $transaction_id,
+    ) );
 
-	$status = sanitize_text_field( $_POST['status'] );
+    $status = sanitize_text_field( $_POST['status'] );
 
-	switch( $status ) {
+    switch( $status ) {
 
-		case 'cancelled' :
+        case 'cancelled' :
 
-			$subscription->cancel();
-			break;
+            $subscription->cancel();
+            break;
 
-		case 'expired' :
+        case 'expired' :
 
-			$subscription->expire();
-			break;
+            $subscription->expire();
+            break;
 
-		case 'completed' :
+        case 'completed' :
 
-			$subscription->complete();
-			break;
+            $subscription->complete();
+            break;
 
-	}
+    }
 
-	wp_redirect( admin_url( 'admin.php?page=wpinv-subscriptions&wpinv-message=updated&id=' . $subscription->id ) );
-	exit;
+    wp_redirect( admin_url( 'admin.php?page=wpinv-subscriptions&wpinv-message=updated&id=' . $subscription->id ) );
+    exit;
 
 }
 add_action( 'admin_init', 'wpinv_recurring_process_subscription_update', 1 );
@@ -364,30 +364,30 @@ 
  */
 function wpinv_recurring_process_subscription_deletion() {
 
-	if( empty( $_POST['sub_id'] ) ) {
-		return;
-	}
+    if( empty( $_POST['sub_id'] ) ) {
+        return;
+    }
 
-	if( empty( $_POST['wpinv_delete_subscription'] ) ) {
-		return;
-	}
+    if( empty( $_POST['wpinv_delete_subscription'] ) ) {
+        return;
+    }
 
-	if( ! current_user_can( 'manage_invoicing') ) {
-		return;
-	}
+    if( ! current_user_can( 'manage_invoicing') ) {
+        return;
+    }
 
-	if( ! wp_verify_nonce( $_POST['wpinv-recurring-update-nonce'], 'wpinv-recurring-update' ) ) {
-		wp_die( __( 'Nonce verification failed', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
-	}
+    if( ! wp_verify_nonce( $_POST['wpinv-recurring-update-nonce'], 'wpinv-recurring-update' ) ) {
+        wp_die( __( 'Nonce verification failed', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+    }
 
-	$subscription = new WPInv_Subscription( absint( $_POST['sub_id'] ) );
+    $subscription = new WPInv_Subscription( absint( $_POST['sub_id'] ) );
 
-	delete_post_meta( $subscription->parent_payment_id, '_wpinv_subscription_payment' );
+    delete_post_meta( $subscription->parent_payment_id, '_wpinv_subscription_payment' );
 
-	$subscription->delete();
+    $subscription->delete();
 
-	wp_redirect( admin_url( 'admin.php?page=wpinv-subscriptions&wpinv-message=deleted' ) );
-	exit;
+    wp_redirect( admin_url( 'admin.php?page=wpinv-subscriptions&wpinv-message=deleted' ) );
+    exit;
 
 }
 add_action( 'admin_init', 'wpinv_recurring_process_subscription_deletion', 2 );

Spacing +115 added lines, -115 removed lines

@@ -8,7 +8,7 @@ 
  */
 function wpinv_subscriptions_page() {
 
-	if ( ! empty( $_GET['id'] ) ) {
+	if (!empty($_GET['id'])) {
 
         wpinv_recurring_subscription_details();
 
@@ -19,7 +19,7 @@ 
 	<div class="wrap">
 
 		<h1>
-			<?php _e( 'Subscriptions', 'invoicing' ); ?>
+			<?php _e('Subscriptions', 'invoicing'); ?>
 		</h1>
 		<?php
 		$subscribers_table = new WPInv_Subscription_Reports_Table();
@@ -31,7 +31,7 @@ 
 			<input type="hidden" name="post_type" value="download" />
 			<input type="hidden" name="page" value="wpinv-subscriptions" />
 			<?php $subscribers_table->views(); ?>
-			<?php $subscribers_table->search_box( __( 'Search', 'wpinvoicing' ), 'subscriptions' ); ?>
+			<?php $subscribers_table->search_box(__('Search', 'wpinvoicing'), 'subscriptions'); ?>
 			<?php $subscribers_table->display(); ?>
 
 		</form>
@@ -49,34 +49,34 @@ 
 
 	$render = true;
 
-	if ( ! current_user_can( 'manage_invoicing' ) ) {
-		die( __( 'You are not permitted to view this data.', 'invoicing' ) );
+	if (!current_user_can('manage_invoicing')) {
+		die(__('You are not permitted to view this data.', 'invoicing'));
 	}
 
-	if ( ! isset( $_GET['id'] ) || ! is_numeric( $_GET['id'] ) ) {
-        die( __( 'Invalid subscription ID Provided.', 'invoicing' ) );
+	if (!isset($_GET['id']) || !is_numeric($_GET['id'])) {
+        die(__('Invalid subscription ID Provided.', 'invoicing'));
 	}
 
-	$sub_id  = (int) $_GET['id'];
-	$sub     = new WPInv_Subscription( $sub_id );
+	$sub_id  = (int)$_GET['id'];
+	$sub     = new WPInv_Subscription($sub_id);
 
-	if ( empty( $sub ) ) {
-		die( __( 'Invalid subscription ID Provided.', 'invoicing' ) );
+	if (empty($sub)) {
+		die(__('Invalid subscription ID Provided.', 'invoicing'));
 	}
 
 	?>
 	<div class="wrap">
-		<h2><?php _e( 'Subscription Details', 'invoicing' ); ?></h2>
+		<h2><?php _e('Subscription Details', 'invoicing'); ?></h2>
 
-		<?php if ( $sub ) : ?>
+		<?php if ($sub) : ?>
 
 			<div id="wpinv-item-card-wrapper">
 
-				<?php do_action( 'wpinv_subscription_card_top', $sub ); ?>
+				<?php do_action('wpinv_subscription_card_top', $sub); ?>
 
 				<div class="info-wrapper item-section">
 
-					<form id="edit-item-info" method="post" action="<?php echo admin_url( 'admin.php?page=wpinv-subscriptions&id=' . $sub->id ); ?>">
+					<form id="edit-item-info" method="post" action="<?php echo admin_url('admin.php?page=wpinv-subscriptions&id=' . $sub->id); ?>">
 
 						<div class="item-info">
 
@@ -84,126 +84,126 @@ 
 								<tbody>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Billing Cycle:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Billing Cycle:', 'invoicing'); ?></label>
 										</td>
 										<td>
 											<?php
-											$frequency = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency( $sub->period, $sub->frequency );
-											$billing   = wpinv_price( wpinv_format_amount( $sub->recurring_amount ), wpinv_get_invoice_currency_code( $sub->parent_payment_id ) ) . ' / ' . $frequency;
-											$initial   = wpinv_price( wpinv_format_amount( $sub->initial_amount ), wpinv_get_invoice_currency_code( $sub->parent_payment_id ) );
-											printf( _x( '%s then %s', 'Initial subscription amount then billing cycle and amount', 'invoicing' ), $initial, $billing );
+											$frequency = WPInv_Subscriptions::wpinv_get_pretty_subscription_frequency($sub->period, $sub->frequency);
+											$billing   = wpinv_price(wpinv_format_amount($sub->recurring_amount), wpinv_get_invoice_currency_code($sub->parent_payment_id)) . ' / ' . $frequency;
+											$initial   = wpinv_price(wpinv_format_amount($sub->initial_amount), wpinv_get_invoice_currency_code($sub->parent_payment_id));
+											printf(_x('%s then %s', 'Initial subscription amount then billing cycle and amount', 'invoicing'), $initial, $billing);
 											?>
 										</td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Times Billed:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Times Billed:', 'invoicing'); ?></label>
 										</td>
-										<td><?php echo $sub->get_times_billed() . ' / ' . ( ( $sub->bill_times == 0 ) ? 'Until Cancelled' : $sub->bill_times ); ?></td>
+										<td><?php echo $sub->get_times_billed() . ' / ' . (($sub->bill_times == 0) ? 'Until Cancelled' : $sub->bill_times); ?></td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Customer:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Customer:', 'invoicing'); ?></label>
 										</td>
 										<td>
-											<?php $subscriber = get_userdata( $sub->customer_id ); ?>
-											<a href="<?php echo esc_url( admin_url( 'admin.php?page=wpinv-subscriptions&view=overview&id=' . $subscriber->ID ) ); ?>" target="_blank"><?php echo ! empty( $subscriber->display_name ) ? $subscriber->display_name : $subscriber->user_email; ?></a>
+											<?php $subscriber = get_userdata($sub->customer_id); ?>
+											<a href="<?php echo esc_url(admin_url('admin.php?page=wpinv-subscriptions&view=overview&id=' . $subscriber->ID)); ?>" target="_blank"><?php echo !empty($subscriber->display_name) ? $subscriber->display_name : $subscriber->user_email; ?></a>
 										</td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Initial Purchase ID:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Initial Purchase ID:', 'invoicing'); ?></label>
 										</td>
-										<td><?php echo '<a href="' . get_edit_post_link( $sub->parent_payment_id ) . '" target="_blank">' . $sub->parent_payment_id . '</a>'; ?></td>
+										<td><?php echo '<a href="' . get_edit_post_link($sub->parent_payment_id) . '" target="_blank">' . $sub->parent_payment_id . '</a>'; ?></td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Item:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Item:', 'invoicing'); ?></label>
 										</td>
 										<td>
 											<?php
-                                            echo wpinv_item_dropdown( array(
+                                            echo wpinv_item_dropdown(array(
                                                 'name'             => 'product_id',
                                                 'id'               => 'wpinv_invoice_item',
                                                 'with_packages'    => false,
                                                 'show_recurring'   => true,
                                                 'selected' => $sub->product_id,
                                                 'class' => 'wpinv-sub-product-id',
-                                            ) );
+                                            ));
 
                                             ?>
-											<a href="<?php echo esc_url( add_query_arg( array(
+											<a href="<?php echo esc_url(add_query_arg(array(
 													'post'   => $sub->product_id,
 													'action' => 'edit'
-												), admin_url( 'post.php' ) ) ); ?>" target="_blank"><?php _e( 'View Item', 'invoicing' ) ; ?></a>
+												), admin_url('post.php'))); ?>" target="_blank"><?php _e('View Item', 'invoicing'); ?></a>
 										</td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Payment Method:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Payment Method:', 'invoicing'); ?></label>
 										</td>
-										<td><?php echo wpinv_get_gateway_admin_label( wpinv_get_payment_gateway( $sub->parent_payment_id ) ); ?></td>
+										<td><?php echo wpinv_get_gateway_admin_label(wpinv_get_payment_gateway($sub->parent_payment_id)); ?></td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Profile ID:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Profile ID:', 'invoicing'); ?></label>
 										</td>
 										<td>
 											<span class="wpinv-sub-profile-id">
-												<?php echo apply_filters( 'wpinv_subscription_profile_link_' . $sub->gateway, $sub->profile_id, $sub ); ?>
+												<?php echo apply_filters('wpinv_subscription_profile_link_' . $sub->gateway, $sub->profile_id, $sub); ?>
 											</span>
-											<input type="text" name="profile_id" class="hidden wpinv-sub-profile-id" value="<?php echo esc_attr( $sub->profile_id ); ?>" />
+											<input type="text" name="profile_id" class="hidden wpinv-sub-profile-id" value="<?php echo esc_attr($sub->profile_id); ?>" />
 											<span>&nbsp;&ndash;&nbsp;</span>
-											<a href="#" class="wpinv-edit-sub-profile-id"><?php _e( 'Edit', 'invoicing' ); ?></a>
+											<a href="#" class="wpinv-edit-sub-profile-id"><?php _e('Edit', 'invoicing'); ?></a>
 										</td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Transaction ID:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Transaction ID:', 'invoicing'); ?></label>
 										</td>
 										<td>
 											<span class="wpinv-sub-transaction-id"><?php echo $sub->get_transaction_id(); ?></span>
-											<input type="text" name="transaction_id" class="hidden wpinv-sub-transaction-id" value="<?php echo esc_attr( $sub->get_transaction_id() ); ?>" />
+											<input type="text" name="transaction_id" class="hidden wpinv-sub-transaction-id" value="<?php echo esc_attr($sub->get_transaction_id()); ?>" />
 											<span>&nbsp;&ndash;&nbsp;</span>
-											<a href="#" class="wpinv-edit-sub-transaction-id"><?php _e( 'Edit', 'invoicing' ); ?></a>
+											<a href="#" class="wpinv-edit-sub-transaction-id"><?php _e('Edit', 'invoicing'); ?></a>
 										</td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Date Created:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Date Created:', 'invoicing'); ?></label>
 										</td>
-										<td><?php echo date_i18n( get_option( 'date_format' ), strtotime( $sub->created, current_time( 'timestamp' ) ) ); ?></td>
+										<td><?php echo date_i18n(get_option('date_format'), strtotime($sub->created, current_time('timestamp'))); ?></td>
 									</tr>
 									<tr>
 										<td class="row-title">
 											<label for="tablecell">
-												<?php if( 'trialling' == $sub->status ) : ?>
-													<?php _e( 'Trialling Until:', 'invoicing' ); ?>
+												<?php if ('trialling' == $sub->status) : ?>
+													<?php _e('Trialling Until:', 'invoicing'); ?>
 												<?php else: ?>
-													<?php _e( 'Expiration Date:', 'invoicing' ); ?>
+													<?php _e('Expiration Date:', 'invoicing'); ?>
 												<?php endif; ?>
 											</label>
 										</td>
 										<td>
-											<span class="wpinv-sub-expiration"><?php echo date_i18n( get_option( 'date_format' ), strtotime( $sub->expiration, current_time( 'timestamp' ) ) ); ?></span>
-											<input type="text" name="expiration" class="wpiDatepicker hidden wpinv-sub-expiration" data-dateFormat="mm/dd/yy" value="<?php echo esc_attr( $sub->expiration ); ?>" />
+											<span class="wpinv-sub-expiration"><?php echo date_i18n(get_option('date_format'), strtotime($sub->expiration, current_time('timestamp'))); ?></span>
+											<input type="text" name="expiration" class="wpiDatepicker hidden wpinv-sub-expiration" data-dateFormat="mm/dd/yy" value="<?php echo esc_attr($sub->expiration); ?>" />
 											<span>&nbsp;&ndash;&nbsp;</span>
-											<a href="#" class="wpinv-edit-sub-expiration"><?php _e( 'Edit', 'invoicing' ); ?></a>
+											<a href="#" class="wpinv-edit-sub-expiration"><?php _e('Edit', 'invoicing'); ?></a>
 										</td>
 									</tr>
 									<tr>
 										<td class="row-title">
-											<label for="tablecell"><?php _e( 'Subscription Status:', 'invoicing' ); ?></label>
+											<label for="tablecell"><?php _e('Subscription Status:', 'invoicing'); ?></label>
 										</td>
 										<td>
 											<select name="status">
-												<option value="pending"<?php selected( 'pending', $sub->status ); ?>><?php _e( 'Pending', 'invoicing' ); ?></option>
-												<option value="active"<?php selected( 'active', $sub->status ); ?>><?php _e( 'Active', 'invoicing' ); ?></option>
-												<option value="cancelled"<?php selected( 'cancelled', $sub->status ); ?>><?php _e( 'Cancelled', 'invoicing' ); ?></option>
-												<option value="expired"<?php selected( 'expired', $sub->status ); ?>><?php _e( 'Expired', 'invoicing' ); ?></option>
-												<option value="trialling"<?php selected( 'trialling', $sub->status ); ?>><?php _e( 'Trialling', 'invoicing' ); ?></option>
-												<option value="failing"<?php selected( 'failing', $sub->status ); ?>><?php _e( 'Failing', 'invoicing' ); ?></option>
-												<option value="completed"<?php selected( 'completed', $sub->status ); ?>><?php _e( 'Completed', 'invoicing' ); ?></option>
+												<option value="pending"<?php selected('pending', $sub->status); ?>><?php _e('Pending', 'invoicing'); ?></option>
+												<option value="active"<?php selected('active', $sub->status); ?>><?php _e('Active', 'invoicing'); ?></option>
+												<option value="cancelled"<?php selected('cancelled', $sub->status); ?>><?php _e('Cancelled', 'invoicing'); ?></option>
+												<option value="expired"<?php selected('expired', $sub->status); ?>><?php _e('Expired', 'invoicing'); ?></option>
+												<option value="trialling"<?php selected('trialling', $sub->status); ?>><?php _e('Trialling', 'invoicing'); ?></option>
+												<option value="failing"<?php selected('failing', $sub->status); ?>><?php _e('Failing', 'invoicing'); ?></option>
+												<option value="completed"<?php selected('completed', $sub->status); ?>><?php _e('Completed', 'invoicing'); ?></option>
 											</select>
 										</td>
 									</tr>
@@ -211,77 +211,77 @@ 
 							</table>
 						</div>
 						<div id="wpinv-sub-notices">
-							<div class="notice notice-info inline hidden" id="wpinv-sub-expiration-update-notice"><p><?php _e( 'Changing the expiration date will not affect when renewal payments are processed.', 'invoicing' ); ?></p></div>
-							<div class="notice notice-info inline hidden" id="wpinv-sub-product-update-notice"><p><?php _e( 'Changing the product assigned will not automatically adjust any pricing.', 'invoicing' ); ?></p></div>
-							<div class="notice notice-warning inline hidden" id="wpinv-sub-profile-id-update-notice"><p><?php _e( 'Changing the profile ID can result in renewals not being processed. Do this with caution.', 'invoicing' ); ?></p></div>
+							<div class="notice notice-info inline hidden" id="wpinv-sub-expiration-update-notice"><p><?php _e('Changing the expiration date will not affect when renewal payments are processed.', 'invoicing'); ?></p></div>
+							<div class="notice notice-info inline hidden" id="wpinv-sub-product-update-notice"><p><?php _e('Changing the product assigned will not automatically adjust any pricing.', 'invoicing'); ?></p></div>
+							<div class="notice notice-warning inline hidden" id="wpinv-sub-profile-id-update-notice"><p><?php _e('Changing the profile ID can result in renewals not being processed. Do this with caution.', 'invoicing'); ?></p></div>
 						</div>
 						<div id="item-edit-actions" class="edit-item" style="float:right; margin: 10px 0 0; display: block;">
-							<?php wp_nonce_field( 'wpinv-recurring-update', 'wpinv-recurring-update-nonce', false, true ); ?>
-							<input type="submit" name="wpinv_update_subscription" id="wpinv_update_subscription" class="button button-primary" value="<?php _e( 'Update Subscription', 'invoicing' ); ?>"/>
-							<input type="hidden" name="sub_id" value="<?php echo absint( $sub->id ); ?>" />
-							<?php if( $sub->can_cancel() ) : ?>
-								<a class="button button-primary" href="<?php echo $sub->get_cancel_url(); ?>" ><?php _e( 'Cancel Subscription', 'invoicing' ); ?></a>
+							<?php wp_nonce_field('wpinv-recurring-update', 'wpinv-recurring-update-nonce', false, true); ?>
+							<input type="submit" name="wpinv_update_subscription" id="wpinv_update_subscription" class="button button-primary" value="<?php _e('Update Subscription', 'invoicing'); ?>"/>
+							<input type="hidden" name="sub_id" value="<?php echo absint($sub->id); ?>" />
+							<?php if ($sub->can_cancel()) : ?>
+								<a class="button button-primary" href="<?php echo $sub->get_cancel_url(); ?>" ><?php _e('Cancel Subscription', 'invoicing'); ?></a>
 							<?php endif; ?>
-							&nbsp;<input type="submit" name="wpinv_delete_subscription" class="wpinv-delete-subscription button" value="<?php _e( 'Delete Subscription', 'invoicing' ); ?>"/>
+							&nbsp;<input type="submit" name="wpinv_delete_subscription" class="wpinv-delete-subscription button" value="<?php _e('Delete Subscription', 'invoicing'); ?>"/>
 						</div>
 
 					</form>
 				</div>
 
-				<?php do_action( 'wpinv_subscription_before_stats', $sub ); ?>
+				<?php do_action('wpinv_subscription_before_stats', $sub); ?>
 
-				<?php do_action( 'wpinv_subscription_before_tables_wrapper', $sub ); ?>
+				<?php do_action('wpinv_subscription_before_tables_wrapper', $sub); ?>
 
 				<div id="item-tables-wrapper" class="item-section">
 
-					<?php do_action( 'wpinv_subscription_before_tables', $sub ); ?>
+					<?php do_action('wpinv_subscription_before_tables', $sub); ?>
 
-					<h3><?php _e( 'Renewal Invoices:', 'invoicing' ); ?></h3>
+					<h3><?php _e('Renewal Invoices:', 'invoicing'); ?></h3>
 					<?php $payments = $sub->get_child_payments(); ?>
-					<?php if( 'manual' == $sub->gateway ) : ?>
-						<p><strong><?php _e( 'Note:', 'invoicing' ); ?></strong> <?php _e( 'Subscriptions purchased with the Test Payment gateway will not renew automatically.', 'invoicing' ); ?></p>
+					<?php if ('manual' == $sub->gateway) : ?>
+						<p><strong><?php _e('Note:', 'invoicing'); ?></strong> <?php _e('Subscriptions purchased with the Test Payment gateway will not renew automatically.', 'invoicing'); ?></p>
 					<?php endif; ?>
 					<table class="wp-list-table widefat striped payments">
 						<thead>
 						<tr>
-							<th><?php _e( 'ID', 'invoicing' ); ?></th>
-							<th><?php _e( 'Amount', 'invoicing' ); ?></th>
-							<th><?php _e( 'Date', 'invoicing' ); ?></th>
-							<th><?php _e( 'Status', 'invoicing' ); ?></th>
-							<th><?php _e( 'Actions', 'invoicing' ); ?></th>
+							<th><?php _e('ID', 'invoicing'); ?></th>
+							<th><?php _e('Amount', 'invoicing'); ?></th>
+							<th><?php _e('Date', 'invoicing'); ?></th>
+							<th><?php _e('Status', 'invoicing'); ?></th>
+							<th><?php _e('Actions', 'invoicing'); ?></th>
 						</tr>
 						</thead>
 						<tbody>
-						<?php if ( ! empty( $payments ) ) : ?>
-							<?php foreach ( $payments as $payment ) : ?>
+						<?php if (!empty($payments)) : ?>
+							<?php foreach ($payments as $payment) : ?>
 								<tr>
 									<td><?php echo $payment->ID; ?></td>
-									<td><?php echo wpinv_payment_total( $payment->ID ); ?></td>
-									<td><?php echo date_i18n( get_option( 'date_format' ), strtotime( $payment->post_date ) ); ?></td>
-									<td><?php echo wpinv_get_invoice_status( $payment->ID, true ); ?></td>
+									<td><?php echo wpinv_payment_total($payment->ID); ?></td>
+									<td><?php echo date_i18n(get_option('date_format'), strtotime($payment->post_date)); ?></td>
+									<td><?php echo wpinv_get_invoice_status($payment->ID, true); ?></td>
 									<td>
-										<a title="<?php _e( 'View Details for Invoice.', 'invoicing' );
-										echo ' ' . $payment->ID; ?>" href="<?php echo get_edit_post_link( $payment->ID ); ?>">
-											<?php _e( 'View Details', 'invoicing' ); ?>
+										<a title="<?php _e('View Details for Invoice.', 'invoicing');
+										echo ' ' . $payment->ID; ?>" href="<?php echo get_edit_post_link($payment->ID); ?>">
+											<?php _e('View Details', 'invoicing'); ?>
 										</a>
-										<?php do_action( 'wpinv_subscription_payments_actions', $sub, $payment ); ?>
+										<?php do_action('wpinv_subscription_payments_actions', $sub, $payment); ?>
 									</td>
 								</tr>
 							<?php endforeach; ?>
 						<?php else: ?>
 							<tr>
-								<td colspan="5"><?php _e( 'No Invoices Found.', 'invoicing' ); ?></td>
+								<td colspan="5"><?php _e('No Invoices Found.', 'invoicing'); ?></td>
 							</tr>
 						<?php endif; ?>
 						</tbody>
 						<tfoot></tfoot>
 					</table>
 
-					<?php do_action( 'wpinv_subscription_after_tables', $sub ); ?>
+					<?php do_action('wpinv_subscription_after_tables', $sub); ?>
 
 				</div>
 
-				<?php do_action( 'wpinv_subscription_card_bottom', $sub ); ?>
+				<?php do_action('wpinv_subscription_card_bottom', $sub); ?>
 			</div>
 
 		<?php endif; ?>
@@ -299,38 +299,38 @@ 
  */
 function wpinv_recurring_process_subscription_update() {
 
-	if( empty( $_POST['sub_id'] ) ) {
+	if (empty($_POST['sub_id'])) {
 		return;
 	}
 
-	if( empty( $_POST['wpinv_update_subscription'] ) ) {
+	if (empty($_POST['wpinv_update_subscription'])) {
 		return;
 	}
 
-	if( ! current_user_can( 'manage_invoicing') ) {
+	if (!current_user_can('manage_invoicing')) {
 		return;
 	}
 
-	if( ! wp_verify_nonce( $_POST['wpinv-recurring-update-nonce'], 'wpinv-recurring-update' ) ) {
-		wp_die( __( 'Nonce verification failed', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+	if (!wp_verify_nonce($_POST['wpinv-recurring-update-nonce'], 'wpinv-recurring-update')) {
+		wp_die(__('Nonce verification failed', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
 	}
 
-	$expiration      = date( 'Y-m-d 23:59:59', strtotime( $_POST['expiration'] ) );
-	$profile_id      = sanitize_text_field( $_POST['profile_id'] );
-	$transaction_id  = sanitize_text_field( $_POST['transaction_id'] );
-	$product_id      = absint( $_POST['product_id'] );
-	$subscription    = new WPInv_Subscription( absint( $_POST['sub_id'] ) );
-	$subscription->update( array(
-		'status'         => sanitize_text_field( $_POST['status'] ),
+	$expiration      = date('Y-m-d 23:59:59', strtotime($_POST['expiration']));
+	$profile_id      = sanitize_text_field($_POST['profile_id']);
+	$transaction_id  = sanitize_text_field($_POST['transaction_id']);
+	$product_id      = absint($_POST['product_id']);
+	$subscription    = new WPInv_Subscription(absint($_POST['sub_id']));
+	$subscription->update(array(
+		'status'         => sanitize_text_field($_POST['status']),
 		'expiration'     => $expiration,
 		'profile_id'     => $profile_id,
 		'product_id'     => $product_id,
 		'transaction_id' => $transaction_id,
-	) );
+	));
 
-	$status = sanitize_text_field( $_POST['status'] );
+	$status = sanitize_text_field($_POST['status']);
 
-	switch( $status ) {
+	switch ($status) {
 
 		case 'cancelled' :
 
@@ -349,11 +349,11 @@ 
 
 	}
 
-	wp_redirect( admin_url( 'admin.php?page=wpinv-subscriptions&wpinv-message=updated&id=' . $subscription->id ) );
+	wp_redirect(admin_url('admin.php?page=wpinv-subscriptions&wpinv-message=updated&id=' . $subscription->id));
 	exit;
 
 }
-add_action( 'admin_init', 'wpinv_recurring_process_subscription_update', 1 );
+add_action('admin_init', 'wpinv_recurring_process_subscription_update', 1);
 
 /**
  * Handles subscription deletion
@@ -364,30 +364,30 @@ 
  */
 function wpinv_recurring_process_subscription_deletion() {
 
-	if( empty( $_POST['sub_id'] ) ) {
+	if (empty($_POST['sub_id'])) {
 		return;
 	}
 
-	if( empty( $_POST['wpinv_delete_subscription'] ) ) {
+	if (empty($_POST['wpinv_delete_subscription'])) {
 		return;
 	}
 
-	if( ! current_user_can( 'manage_invoicing') ) {
+	if (!current_user_can('manage_invoicing')) {
 		return;
 	}
 
-	if( ! wp_verify_nonce( $_POST['wpinv-recurring-update-nonce'], 'wpinv-recurring-update' ) ) {
-		wp_die( __( 'Nonce verification failed', 'invoicing' ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+	if (!wp_verify_nonce($_POST['wpinv-recurring-update-nonce'], 'wpinv-recurring-update')) {
+		wp_die(__('Nonce verification failed', 'invoicing'), __('Error', 'invoicing'), array('response' => 403));
 	}
 
-	$subscription = new WPInv_Subscription( absint( $_POST['sub_id'] ) );
+	$subscription = new WPInv_Subscription(absint($_POST['sub_id']));
 
-	delete_post_meta( $subscription->parent_payment_id, '_wpinv_subscription_payment' );
+	delete_post_meta($subscription->parent_payment_id, '_wpinv_subscription_payment');
 
 	$subscription->delete();
 
-	wp_redirect( admin_url( 'admin.php?page=wpinv-subscriptions&wpinv-message=deleted' ) );
+	wp_redirect(admin_url('admin.php?page=wpinv-subscriptions&wpinv-message=deleted'));
 	exit;
 
 }
-add_action( 'admin_init', 'wpinv_recurring_process_subscription_deletion', 2 );
+add_action('admin_init', 'wpinv_recurring_process_subscription_deletion', 2);

includes/class-wpinv-subscriptions.php

Braces +3 added lines, -1 removed lines

@@ -1,6 +1,8 @@
 <?php
 // Exit if accessed directly.
-if (!defined( 'ABSPATH' ) ) exit;
+if (!defined( 'ABSPATH' ) ) {
+    exit;
+}
 
 function wpinv_subscription_init() {
     return WPInv_Subscriptions::instance();

Spacing +68 added lines, -68 removed lines

@@ -1,11 +1,11 @@ 
 <?php
 // Exit if accessed directly.
-if (!defined( 'ABSPATH' ) ) exit;
+if (!defined('ABSPATH')) exit;
 
 function wpinv_subscription_init() {
     return WPInv_Subscriptions::instance();
 }
-add_action( 'plugins_loaded', 'wpinv_subscription_init', 100 );
+add_action('plugins_loaded', 'wpinv_subscription_init', 100);
 
 /**
  * WPInv_Subscriptions Class.
@@ -20,7 +20,7 @@ 
      * Main WPInv_Subscriptions Instance
      */
     public static function instance() {
-        if ( ! isset( self::$instance ) ) {
+        if (!isset(self::$instance)) {
             self::$instance = new WPInv_Subscriptions;
 
             self::$instance->init();
@@ -34,7 +34,7 @@ 
      *
      * @since 1.0.0
      */
-    private function __construct(){
+    private function __construct() {
 
     }
 
@@ -63,8 +63,8 @@ 
     private function setup_constants() {
 
         // Make sure CAL_GREGORIAN is defined.
-        if ( ! defined( 'CAL_GREGORIAN' ) ) {
-            define( 'CAL_GREGORIAN', 1 );
+        if (!defined('CAL_GREGORIAN')) {
+            define('CAL_GREGORIAN', 1);
         }
     }
 
@@ -76,13 +76,13 @@ 
      */
     private function actions() {
 
-        add_action( 'admin_menu', array( $this, 'wpinv_subscriptions_list' ), 10 );
-        add_action( 'admin_notices', array( $this, 'notices' ) );
-        add_action( 'init', array( $this, 'wpinv_post_actions' ) );
-        add_action( 'init', array( $this, 'wpinv_get_actions' ) );
-        add_action( 'wpinv_cancel_subscription', array( $this, 'wpinv_process_cancellation' ) );
-        add_action( 'wpi-pending_wpi_invoice', array( $this, 'wpinv_add_update_subscription' ), 10, 2 );
-        add_action( 'wpinv_subscriptions_front_notices', array( $this, 'notices' ) );
+        add_action('admin_menu', array($this, 'wpinv_subscriptions_list'), 10);
+        add_action('admin_notices', array($this, 'notices'));
+        add_action('init', array($this, 'wpinv_post_actions'));
+        add_action('init', array($this, 'wpinv_get_actions'));
+        add_action('wpinv_cancel_subscription', array($this, 'wpinv_process_cancellation'));
+        add_action('wpi-pending_wpi_invoice', array($this, 'wpinv_add_update_subscription'), 10, 2);
+        add_action('wpinv_subscriptions_front_notices', array($this, 'notices'));
     }
 
     /**
@@ -104,8 +104,8 @@ 
     public function wpinv_subscriptions_list() {
         add_submenu_page(
             'wpinv',
-            __( 'Subscriptions', 'invoicing' ),
-            __( 'Subscriptions', 'invoicing' ),
+            __('Subscriptions', 'invoicing'),
+            __('Subscriptions', 'invoicing'),
             'manage_invoicing',
             'wpinv-subscriptions',
             'wpinv_subscriptions_page'
@@ -114,37 +114,37 @@ 
 
     public function notices() {
 
-        if( empty( $_GET['wpinv-message'] ) ) {
+        if (empty($_GET['wpinv-message'])) {
             return;
         }
 
         $type    = 'updated';
         $message = '';
 
-        switch( strtolower( $_GET['wpinv-message'] ) ) {
+        switch (strtolower($_GET['wpinv-message'])) {
 
             case 'updated' :
 
-                $message = __( 'Subscription updated successfully.', 'invoicing' );
+                $message = __('Subscription updated successfully.', 'invoicing');
 
                 break;
 
             case 'deleted' :
 
-                $message = __( 'Subscription deleted successfully.', 'invoicing' );
+                $message = __('Subscription deleted successfully.', 'invoicing');
 
                 break;
 
             case 'cancelled' :
 
-                $message = __( 'Subscription cancelled successfully.', 'invoicing' );
+                $message = __('Subscription cancelled successfully.', 'invoicing');
 
                 break;
 
         }
 
-        if ( ! empty( $message ) ) {
-            echo '<div class="' . esc_attr( $type ) . '"><p>' . $message . '</p></div>';
+        if (!empty($message)) {
+            echo '<div class="' . esc_attr($type) . '"><p>' . $message . '</p></div>';
         }
 
     }
@@ -157,8 +157,8 @@ 
      * @return void
      */
     function wpinv_get_actions() {
-        if ( isset( $_GET['wpinv_action'] ) ) {
-            do_action( 'wpinv_' . $_GET['wpinv_action'], $_GET );
+        if (isset($_GET['wpinv_action'])) {
+            do_action('wpinv_' . $_GET['wpinv_action'], $_GET);
         }
     }
 
@@ -170,8 +170,8 @@ 
      * @return void
      */
     function wpinv_post_actions() {
-        if ( isset( $_POST['wpinv_action'] ) ) {
-            do_action( 'wpinv_' . $_POST['wpinv_action'], $_POST );
+        if (isset($_POST['wpinv_action'])) {
+            do_action('wpinv_' . $_POST['wpinv_action'], $_POST);
         }
     }
 
@@ -182,24 +182,24 @@ 
      * @param int $frequency_count The frequency of the period.
      * @return mixed|string|void
      */
-    public static function wpinv_get_pretty_subscription_frequency( $period, $frequency_count = 1) {
+    public static function wpinv_get_pretty_subscription_frequency($period, $frequency_count = 1) {
         $frequency = '';
         //Format period details
-        switch ( $period ) {
+        switch ($period) {
             case 'day' :
-                $frequency = sprintf( _n('%d Day', '%d Days', $frequency_count, 'invoicing'), $frequency_count);
+                $frequency = sprintf(_n('%d Day', '%d Days', $frequency_count, 'invoicing'), $frequency_count);
                 break;
             case 'week' :
-                $frequency = sprintf( _n('%d Week', '%d Weeks', $frequency_count, 'invoicing'), $frequency_count);
+                $frequency = sprintf(_n('%d Week', '%d Weeks', $frequency_count, 'invoicing'), $frequency_count);
                 break;
             case 'month' :
-                $frequency = sprintf( _n('%d Month', '%d Months', $frequency_count, 'invoicing'), $frequency_count);
+                $frequency = sprintf(_n('%d Month', '%d Months', $frequency_count, 'invoicing'), $frequency_count);
                 break;
             case 'year' :
-                $frequency = sprintf( _n('%d Year', '%d Years', $frequency_count, 'invoicing'), $frequency_count);
+                $frequency = sprintf(_n('%d Year', '%d Years', $frequency_count, 'invoicing'), $frequency_count);
                 break;
             default :
-                $frequency = apply_filters( 'wpinv_recurring_subscription_frequency', $frequency, $period, $frequency_count );
+                $frequency = apply_filters('wpinv_recurring_subscription_frequency', $frequency, $period, $frequency_count);
                 break;
         }
 
@@ -214,50 +214,50 @@ 
      * @since       1.0.0
      * @return      void
      */
-    public function wpinv_process_cancellation( $data ) {
+    public function wpinv_process_cancellation($data) {
 
 
-        if( empty( $data['sub_id'] ) ) {
+        if (empty($data['sub_id'])) {
             return;
         }
 
-        if( ! is_user_logged_in() ) {
+        if (!is_user_logged_in()) {
             return;
         }
 
-        if( ! wp_verify_nonce( $data['_wpnonce'], 'wpinv-recurring-cancel' ) ) {
-            wp_die( __( 'Error', 'invoicing' ), __( 'Nonce verification failed', 'invoicing' ), array( 'response' => 403 ) );
+        if (!wp_verify_nonce($data['_wpnonce'], 'wpinv-recurring-cancel')) {
+            wp_die(__('Error', 'invoicing'), __('Nonce verification failed', 'invoicing'), array('response' => 403));
         }
 
-        $data['sub_id'] = absint( $data['sub_id'] );
-        $subscription   = new WPInv_Subscription( $data['sub_id'] );
+        $data['sub_id'] = absint($data['sub_id']);
+        $subscription   = new WPInv_Subscription($data['sub_id']);
 
-        if( ! $subscription->can_cancel() ) {
-            wp_die( __( 'Error', 'invoicing' ), __( 'This subscription cannot be cancelled', 'invoicing' ), array( 'response' => 403 ) );
+        if (!$subscription->can_cancel()) {
+            wp_die(__('Error', 'invoicing'), __('This subscription cannot be cancelled', 'invoicing'), array('response' => 403));
         }
 
         try {
 
-            do_action( 'wpinv_recurring_cancel_' . $subscription->gateway . '_subscription', $subscription, true );
+            do_action('wpinv_recurring_cancel_' . $subscription->gateway . '_subscription', $subscription, true);
 
             $subscription->cancel();
 
-            if( is_admin() ) {
+            if (is_admin()) {
 
-                wp_redirect( admin_url( 'admin.php?page=wpinv-subscriptions&wpinv-message=cancelled&id=' . $subscription->id ) );
+                wp_redirect(admin_url('admin.php?page=wpinv-subscriptions&wpinv-message=cancelled&id=' . $subscription->id));
                 exit;
 
             } else {
 
-                $redirect = remove_query_arg( array( '_wpnonce', 'wpinv_action', 'sub_id' ), add_query_arg( array( 'wpinv-message' => 'cancelled' ) ) );
-                $redirect = apply_filters( 'wpinv_recurring_cancellation_redirect', $redirect, $subscription );
-                wp_safe_redirect( $redirect );
+                $redirect = remove_query_arg(array('_wpnonce', 'wpinv_action', 'sub_id'), add_query_arg(array('wpinv-message' => 'cancelled')));
+                $redirect = apply_filters('wpinv_recurring_cancellation_redirect', $redirect, $subscription);
+                wp_safe_redirect($redirect);
                 exit;
 
             }
 
-        } catch ( Exception $e ) {
-            wp_die( __( 'Error', 'invoicing' ), $e->getMessage(), array( 'response' => 403 ) );
+        } catch (Exception $e) {
+            wp_die(__('Error', 'invoicing'), $e->getMessage(), array('response' => 403));
         }
 
     }
@@ -269,46 +269,46 @@ 
      * @since       1.0.0
      * @return      void
      */
-    public function wpinv_add_update_subscription( $invoice_id, $invoice ) {
+    public function wpinv_add_update_subscription($invoice_id, $invoice) {
 
-        remove_action( 'save_post', __FUNCTION__ );
+        remove_action('save_post', __FUNCTION__);
 
-        if(empty($invoice_id) || 'wpi_invoice' != get_post_type($invoice_id)){
+        if (empty($invoice_id) || 'wpi_invoice' != get_post_type($invoice_id)) {
             return;
         }
 
-        if ( defined( 'DOING_AUTOSAVE' ) ) {
+        if (defined('DOING_AUTOSAVE')) {
             return;
         }
 
-        if ( ( defined( 'DOING_AJAX') && DOING_AJAX ) || isset( $_REQUEST['bulk_edit'] ) ) {
+        if ((defined('DOING_AJAX') && DOING_AJAX) || isset($_REQUEST['bulk_edit'])) {
             return;
         }
 
         $invoice_obj = new WPInv_Invoice($invoice_id);
 
-        if ( !$invoice_obj->is_recurring() ) {
+        if (!$invoice_obj->is_recurring()) {
             return;
         }
 
         $item_id = $invoice_obj->get_recurring();
-        $item = new WPInv_Item( $item_id );
+        $item = new WPInv_Item($item_id);
 
         $period             = $item->get_recurring_period(true);
         $interval           = $item->get_recurring_interval();
         $bill_times         = (int)$item->get_recurring_limit();
-        $initial_amount     = wpinv_sanitize_amount( $invoice_obj->get_total(), 2 );
-        $recurring_amount   = wpinv_sanitize_amount( $invoice_obj->get_recurring_details( 'total' ), 2 );
+        $initial_amount     = wpinv_sanitize_amount($invoice_obj->get_total(), 2);
+        $recurring_amount   = wpinv_sanitize_amount($invoice_obj->get_recurring_details('total'), 2);
         $status             = 'pending';
-        $expiration         = date( 'Y-m-d H:i:s', strtotime( '+' . $interval . ' ' . $period  . ' 23:59:59', current_time( 'timestamp' ) ) );
+        $expiration         = date('Y-m-d H:i:s', strtotime('+' . $interval . ' ' . $period . ' 23:59:59', current_time('timestamp')));
 
 
         $trial_period = '';
-        if ( $invoice_obj->is_free_trial() && $item->has_free_trial() ) {
+        if ($invoice_obj->is_free_trial() && $item->has_free_trial()) {
             $trial_period       = $item->get_trial_period(true);
             $free_trial         = $item->get_free_trial();
-            $trial_period       = ! empty( $invoice_obj->is_free_trial() ) ? $free_trial . ' ' . $trial_period : '';
-            $expiration         = date( 'Y-m-d H:i:s', strtotime( '+' . $trial_period . ' 23:59:59', current_time( 'timestamp' ) ) );
+            $trial_period       = !empty($invoice_obj->is_free_trial()) ? $free_trial . ' ' . $trial_period : '';
+            $expiration         = date('Y-m-d H:i:s', strtotime('+' . $trial_period . ' 23:59:59', current_time('timestamp')));
             $status = 'trialling';
         }
 
@@ -322,7 +322,7 @@ 
             'initial_amount'    => $initial_amount,
             'recurring_amount'  => $recurring_amount,
             'bill_times'        => $bill_times,
-            'created'           => date( 'Y-m-d H:i:s' ),
+            'created'           => date('Y-m-d H:i:s'),
             'expiration'        => $expiration,
             'trial_period'      => $trial_period,
             'profile_id'        => '',
@@ -330,13 +330,13 @@ 
         );
 
         $subs_db      = new WPInv_Subscriptions_DB;
-        $subs         = $subs_db->get_subscriptions( array( 'parent_payment_id' => $invoice_obj->ID, 'number' => 1 ) );
-        $subscription = reset( $subs );
+        $subs         = $subs_db->get_subscriptions(array('parent_payment_id' => $invoice_obj->ID, 'number' => 1));
+        $subscription = reset($subs);
 
-        if( !$subscription || $subscription->id <= 0 ) {
+        if (!$subscription || $subscription->id <= 0) {
 
             $subscription = new WPInv_Subscription();
-            $subscription->create( $args );
+            $subscription->create($args);
 
         }
 

includes/wpinv-subscription.php

Doc Comments +6 added lines, -6 removed lines

@@ -257,7 +257,7 @@ 
      *
      * @since  2.4
      * @param  array $args Array of values for the payment, including amount and transaction ID
-     * @return bool
+     * @return false|string
      */
     public function add_payment( $args = array() ) {
 
@@ -286,7 +286,7 @@ 
 	 * Retrieves the transaction ID from the subscription
 	 *
 	 * @since  1.0.0
-	 * @return bool
+	 * @return string
 	 */
 	public function get_transaction_id() {
 
@@ -308,7 +308,7 @@ 
 	 * Stores the transaction ID for the subscription purchase
 	 *
 	 * @since  1.0.0.4
-	 * @return bool
+	 * @return boolean|null
 	 */
 	public function set_transaction_id( $txn_id = '' ) {
 		$this->update( array( 'transaction_id' => $txn_id ) );
@@ -319,7 +319,7 @@ 
 	 * Renews a subscription
 	 *
 	 * @since  1.0.0
-	 * @return bool
+	 * @return boolean|null
 	 */
 	public function renew() {
 
@@ -408,7 +408,7 @@ 
 	 *
 	 * @since  1.0.0
 	 * @param  $check_expiration bool True if expiration date should be checked with merchant processor before expiring
-	 * @return void
+	 * @return false|null
 	 */
 	public function expire( $check_expiration = false ) {
 
@@ -655,7 +655,7 @@ 
 	 * Retrieves the subscription status
 	 *
 	 * @since  1.0.0
-	 * @return int
+	 * @return string
 	 */
 	public function get_status() {
 

Indentation +519 added lines, -519 removed lines

@@ -2,7 +2,7 @@ 
 
 // Exit if accessed directly
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 
@@ -13,252 +13,252 @@ 
  */
 class WPInv_Subscription {
 
-	private $subs_db;
+    private $subs_db;
+
+    public $id                = 0;
+    public $customer_id       = 0;
+    public $period            = '';
+    public $initial_amount    = '';
+    public $recurring_amount  = '';
+    public $bill_times        = 0;
+    public $transaction_id    = '';
+    public $parent_payment_id = 0;
+    public $product_id        = 0;
+    public $created           = '0000-00-00 00:00:00';
+    public $expiration        = '0000-00-00 00:00:00';
+    public $trial_period      = '';
+    public $status            = 'pending';
+    public $profile_id        = '';
+    public $gateway           = '';
+    public $customer;
 
-	public $id                = 0;
-	public $customer_id       = 0;
-	public $period            = '';
-	public $initial_amount    = '';
-	public $recurring_amount  = '';
-	public $bill_times        = 0;
-	public $transaction_id    = '';
-	public $parent_payment_id = 0;
-	public $product_id        = 0;
-	public $created           = '0000-00-00 00:00:00';
-	public $expiration        = '0000-00-00 00:00:00';
-	public $trial_period      = '';
-	public $status            = 'pending';
-	public $profile_id        = '';
-	public $gateway           = '';
-	public $customer;
+    /**
+     * Get us started
+     *
+     * @since  1.0.0
+     * @return void
+     */
+    function __construct( $_id_or_object = 0, $_by_profile_id = false ) {
 
-	/**
-	 * Get us started
-	 *
-	 * @since  1.0.0
-	 * @return void
-	 */
-	function __construct( $_id_or_object = 0, $_by_profile_id = false ) {
+        $this->subs_db = new WPInv_Subscriptions_DB;
 
-		$this->subs_db = new WPInv_Subscriptions_DB;
+        if( $_by_profile_id ) {
 
-		if( $_by_profile_id ) {
+            $_sub = $this->subs_db->get_by( 'profile_id', $_id_or_object );
 
-			$_sub = $this->subs_db->get_by( 'profile_id', $_id_or_object );
+            if( empty( $_sub ) ) {
+                return false;
+            }
 
-			if( empty( $_sub ) ) {
-				return false;
-			}
+            $_id_or_object = $_sub;
 
-			$_id_or_object = $_sub;
+        }
 
-		}
+        return $this->setup_subscription( $_id_or_object );
+    }
 
-		return $this->setup_subscription( $_id_or_object );
-	}
+    /**
+     * Setup the subscription object
+     *
+     * @since  1.0.0
+     * @return void
+     */
+    private function setup_subscription( $id_or_object = 0 ) {
 
-	/**
-	 * Setup the subscription object
-	 *
-	 * @since  1.0.0
-	 * @return void
-	 */
-	private function setup_subscription( $id_or_object = 0 ) {
+        if( empty( $id_or_object ) ) {
+            return false;
+        }
 
-		if( empty( $id_or_object ) ) {
-			return false;
-		}
+        if( is_numeric( $id_or_object ) ) {
 
-		if( is_numeric( $id_or_object ) ) {
+            $sub = $this->subs_db->get( $id_or_object );
 
-			$sub = $this->subs_db->get( $id_or_object );
+        } elseif( is_object( $id_or_object ) ) {
 
-		} elseif( is_object( $id_or_object ) ) {
+            $sub = $id_or_object;
 
-			$sub = $id_or_object;
+        }
 
-		}
+        if( empty( $sub ) ) {
+            return false;
+        }
 
-		if( empty( $sub ) ) {
-			return false;
-		}
+        foreach( $sub as $key => $value ) {
+            $this->$key = $value;
+        }
 
-		foreach( $sub as $key => $value ) {
-			$this->$key = $value;
-		}
+        $this->customer = get_userdata( $this->customer_id );
+        $this->gateway  = wpinv_get_payment_gateway( $this->parent_payment_id );
 
-		$this->customer = get_userdata( $this->customer_id );
-		$this->gateway  = wpinv_get_payment_gateway( $this->parent_payment_id );
+        do_action( 'wpinv_recurring_setup_subscription', $this );
 
-		do_action( 'wpinv_recurring_setup_subscription', $this );
+        return $this;
+    }
 
-		return $this;
-	}
+    /**
+     * Magic __get function to dispatch a call to retrieve a private property
+     *
+     * @since 1.0.0
+     */
+    public function __get( $key ) {
 
-	/**
-	 * Magic __get function to dispatch a call to retrieve a private property
-	 *
-	 * @since 1.0.0
-	 */
-	public function __get( $key ) {
+        if( method_exists( $this, 'get_' . $key ) ) {
 
-		if( method_exists( $this, 'get_' . $key ) ) {
+            return call_user_func( array( $this, 'get_' . $key ) );
 
-			return call_user_func( array( $this, 'get_' . $key ) );
+        } else {
 
-		} else {
+            return new WP_Error( 'wpinv-subscription-invalid-property', sprintf( __( 'Can\'t get property %s', 'invoicing' ), $key ) );
 
-			return new WP_Error( 'wpinv-subscription-invalid-property', sprintf( __( 'Can\'t get property %s', 'invoicing' ), $key ) );
+        }
 
-		}
+    }
 
-	}
+    /**
+     * Creates a subscription
+     *
+     * @since  1.0.0
+     * @param  array  $data Array of attributes for a subscription
+     * @return mixed  false if data isn't passed and class not instantiated for creation
+     */
+    public function create( $data = array() ) {
 
-	/**
-	 * Creates a subscription
-	 *
-	 * @since  1.0.0
-	 * @param  array  $data Array of attributes for a subscription
-	 * @return mixed  false if data isn't passed and class not instantiated for creation
-	 */
-	public function create( $data = array() ) {
+        if ( $this->id != 0 ) {
+            return false;
+        }
 
-		if ( $this->id != 0 ) {
-			return false;
-		}
+        $defaults = array(
+            'customer_id'       => 0,
+            'frequency'         => '',
+            'period'            => '',
+            'initial_amount'    => '',
+            'recurring_amount'  => '',
+            'bill_times'        => 0,
+            'parent_payment_id' => 0,
+            'product_id'        => 0,
+            'created'           => '',
+            'expiration'        => '',
+            'status'            => '',
+            'profile_id'        => '',
+        );
 
-		$defaults = array(
-			'customer_id'       => 0,
-			'frequency'         => '',
-			'period'            => '',
-			'initial_amount'    => '',
-			'recurring_amount'  => '',
-			'bill_times'        => 0,
-			'parent_payment_id' => 0,
-			'product_id'        => 0,
-			'created'           => '',
-			'expiration'        => '',
-			'status'            => '',
-			'profile_id'        => '',
-		);
+        $args = wp_parse_args( $data, $defaults );
 
-		$args = wp_parse_args( $data, $defaults );
+        if( $args['expiration'] && strtotime( 'NOW', current_time( 'timestamp' ) ) > strtotime( $args['expiration'], current_time( 'timestamp' ) ) ) {
 
-		if( $args['expiration'] && strtotime( 'NOW', current_time( 'timestamp' ) ) > strtotime( $args['expiration'], current_time( 'timestamp' ) ) ) {
+            if( 'active' == $args['status'] || 'trialling' == $args['status'] ) {
 
-			if( 'active' == $args['status'] || 'trialling' == $args['status'] ) {
+                // Force an active subscription to expired if expiration date is in the past
+                $args['status'] = 'expired';
 
-				// Force an active subscription to expired if expiration date is in the past
-				$args['status'] = 'expired';
+            }
+        }
 
-			}
-		}
+        do_action( 'wpinv_subscription_pre_create', $args );
 
-		do_action( 'wpinv_subscription_pre_create', $args );
+        $id = $this->subs_db->insert( $args, 'subscription' );
 
-		$id = $this->subs_db->insert( $args, 'subscription' );
+        do_action( 'wpinv_subscription_post_create', $id, $args );
 
-		do_action( 'wpinv_subscription_post_create', $id, $args );
+        return $this->setup_subscription( $id );
 
-		return $this->setup_subscription( $id );
+    }
 
-	}
+    /**
+     * Updates a subscription
+     *
+     * @since  1.0.0
+     * @param  array $args Array of fields to update
+     * @return bool
+     */
+    public function update( $args = array() ) {
+
+        $ret = $this->subs_db->update( $this->id, $args );
 
-	/**
-	 * Updates a subscription
-	 *
-	 * @since  1.0.0
-	 * @param  array $args Array of fields to update
-	 * @return bool
-	 */
-	public function update( $args = array() ) {
+        do_action( 'wpinv_recurring_update_subscription', $this->id, $args, $this );
 
-		$ret = $this->subs_db->update( $this->id, $args );
+        return $ret;
+
+    }
 
-		do_action( 'wpinv_recurring_update_subscription', $this->id, $args, $this );
+    /**
+     * Delete the subscription
+     *
+     * @since  1.0.0
+     * @return bool
+     */
+    public function delete() {
+        return $this->subs_db->delete( $this->id );
+    }
 
-		return $ret;
+    /**
+     * Retrieves the parent payment ID
+     *
+     * @since  1.0.0
+     * @return int
+     */
+    public function get_original_payment_id() {
 
-	}
+        return $this->parent_payment_id;
 
-	/**
-	 * Delete the subscription
-	 *
-	 * @since  1.0.0
-	 * @return bool
-	 */
-	public function delete() {
-		return $this->subs_db->delete( $this->id );
-	}
+    }
 
-	/**
-	 * Retrieves the parent payment ID
-	 *
-	 * @since  1.0.0
-	 * @return int
-	 */
-	public function get_original_payment_id() {
+    /**
+     * Retrieve renewal payments for a subscription
+     *
+     * @since  1.0.0
+     * @return array
+     */
+    public function get_child_payments() {
 
-		return $this->parent_payment_id;
+        $payments = get_posts( array(
+            'post_parent'    => (int) $this->parent_payment_id,
+            'posts_per_page' => '999',
+            'post_status'    => array( 'publish', 'wpi-processing', 'wpi-renewal' ),
+            'post_type'      => 'wpi_invoice'
+        ) );
 
-	}
+        return $payments;
 
-	/**
-	 * Retrieve renewal payments for a subscription
-	 *
-	 * @since  1.0.0
-	 * @return array
-	 */
-	public function get_child_payments() {
-
-		$payments = get_posts( array(
-			'post_parent'    => (int) $this->parent_payment_id,
-			'posts_per_page' => '999',
-			'post_status'    => array( 'publish', 'wpi-processing', 'wpi-renewal' ),
-			'post_type'      => 'wpi_invoice'
-		) );
-
-		return $payments;
-
-	}
+    }
 
-	/**
-	 * Counts the number of payments made to the subscription
-	 *
-	 * @since  2.4
-	 * @return int
-	 */
-	public function get_total_payments() {
+    /**
+     * Counts the number of payments made to the subscription
+     *
+     * @since  2.4
+     * @return int
+     */
+    public function get_total_payments() {
 
-		if('pending' != $this->status){
+        if('pending' != $this->status){
             return count( $this->get_child_payments() ) + 1;
         } else {
             return count($this->get_child_payments());
         }
 
-	}
+    }
 
-	/**
-	 * Returns the number of times the subscription has been billed
-	 *
-	 * @since  2.6
-	 * @return int
-	 */
-	public function get_times_billed() {
+    /**
+     * Returns the number of times the subscription has been billed
+     *
+     * @since  2.6
+     * @return int
+     */
+    public function get_times_billed() {
 
-		$times_billed = $this->get_total_payments();
+        $times_billed = $this->get_total_payments();
 
-		if( ! empty( $this->trial_period ) ) {
+        if( ! empty( $this->trial_period ) ) {
             if('pending' != $this->status){
                 $times_billed = 0;
             } else {
                 $times_billed -= 1;
             }
-		}
+        }
 
-		return $times_billed;
+        return $times_billed;
 
-	}
+    }
 
     /**
      * Records a new payment on the subscription
@@ -294,203 +294,203 @@ 
         return $invoice->ID;
     }
 
-	/**
-	 * Retrieves the transaction ID from the subscription
-	 *
-	 * @since  1.0.0
-	 * @return bool
-	 */
-	public function get_transaction_id() {
+    /**
+     * Retrieves the transaction ID from the subscription
+     *
+     * @since  1.0.0
+     * @return bool
+     */
+    public function get_transaction_id() {
 
-		if( empty( $this->transaction_id ) ) {
+        if( empty( $this->transaction_id ) ) {
 
-			$txn_id = wpinv_get_payment_transaction_id( $this->parent_payment_id );
+            $txn_id = wpinv_get_payment_transaction_id( $this->parent_payment_id );
 
-			if( ! empty( $txn_id ) && (int) $this->parent_payment_id !== (int) $txn_id ) {
-				$this->set_transaction_id( $txn_id );
-			}
+            if( ! empty( $txn_id ) && (int) $this->parent_payment_id !== (int) $txn_id ) {
+                $this->set_transaction_id( $txn_id );
+            }
 
-		}
+        }
 
-		return $this->transaction_id;
+        return $this->transaction_id;
 
-	}
+    }
 
-	/**
-	 * Stores the transaction ID for the subscription purchase
-	 *
-	 * @since  1.0.0.4
-	 * @return bool
-	 */
-	public function set_transaction_id( $txn_id = '' ) {
-		$this->update( array( 'transaction_id' => $txn_id ) );
-		$this->transaction_id = $txn_id;
-	}
+    /**
+     * Stores the transaction ID for the subscription purchase
+     *
+     * @since  1.0.0.4
+     * @return bool
+     */
+    public function set_transaction_id( $txn_id = '' ) {
+        $this->update( array( 'transaction_id' => $txn_id ) );
+        $this->transaction_id = $txn_id;
+    }
 
-	/**
-	 * Renews a subscription
-	 *
-	 * @since  1.0.0
-	 * @return bool
-	 */
-	public function renew() {
+    /**
+     * Renews a subscription
+     *
+     * @since  1.0.0
+     * @return bool
+     */
+    public function renew() {
 
-		$expires = $this->get_expiration_time();
+        $expires = $this->get_expiration_time();
 
 
-		// Determine what date to use as the start for the new expiration calculation
-		if( $expires > current_time( 'timestamp' ) && $this->is_active() ) {
+        // Determine what date to use as the start for the new expiration calculation
+        if( $expires > current_time( 'timestamp' ) && $this->is_active() ) {
 
-			$base_date  = $expires;
+            $base_date  = $expires;
 
-		} else {
+        } else {
 
-			$base_date  = current_time( 'timestamp' );
+            $base_date  = current_time( 'timestamp' );
 
-		}
+        }
 
-		$last_day = cal_days_in_month( CAL_GREGORIAN, date( 'n', $base_date ), date( 'Y', $base_date ) );
+        $last_day = cal_days_in_month( CAL_GREGORIAN, date( 'n', $base_date ), date( 'Y', $base_date ) );
 
 
-		$frequency = isset($this->frequency) ? $this->frequency : 1;
-		$expiration = date( 'Y-m-d H:i:s', strtotime( '+' . $frequency . ' ' . $this->period  . ' 23:59:59', $base_date ) );
+        $frequency = isset($this->frequency) ? $this->frequency : 1;
+        $expiration = date( 'Y-m-d H:i:s', strtotime( '+' . $frequency . ' ' . $this->period  . ' 23:59:59', $base_date ) );
 
-		if( date( 'j', $base_date ) == $last_day && 'day' != $this->period ) {
-			$expiration = date( 'Y-m-d H:i:s', strtotime( $expiration . ' +2 days' ) );
-		}
+        if( date( 'j', $base_date ) == $last_day && 'day' != $this->period ) {
+            $expiration = date( 'Y-m-d H:i:s', strtotime( $expiration . ' +2 days' ) );
+        }
 
-		$expiration  = apply_filters( 'wpinv_subscription_renewal_expiration', $expiration, $this->id, $this );
+        $expiration  = apply_filters( 'wpinv_subscription_renewal_expiration', $expiration, $this->id, $this );
 
-		do_action( 'wpinv_subscription_pre_renew', $this->id, $expiration, $this );
+        do_action( 'wpinv_subscription_pre_renew', $this->id, $expiration, $this );
 
-		$this->status = 'active';
-		$times_billed = $this->get_times_billed();
+        $this->status = 'active';
+        $times_billed = $this->get_times_billed();
 
-		// Complete subscription if applicable
-		if ( $this->bill_times > 0 && $times_billed >= $this->bill_times ) {
-			$this->complete();
-			$this->status = 'completed';
-		}
+        // Complete subscription if applicable
+        if ( $this->bill_times > 0 && $times_billed >= $this->bill_times ) {
+            $this->complete();
+            $this->status = 'completed';
+        }
 
-		$args = array(
-			'expiration' => $expiration,
-			'status'     => $this->status,
-		);
+        $args = array(
+            'expiration' => $expiration,
+            'status'     => $this->status,
+        );
 
         $this->subs_db->update( $this->id, $args );
 
-		do_action( 'wpinv_subscription_post_renew', $this->id, $expiration, $this );
-		do_action( 'wpinv_recurring_set_subscription_status', $this->id, $this->status, $this );
+        do_action( 'wpinv_subscription_post_renew', $this->id, $expiration, $this );
+        do_action( 'wpinv_recurring_set_subscription_status', $this->id, $this->status, $this );
 
-	}
+    }
 
-	/**
-	 * Marks a subscription as completed
-	 *
-	 * Subscription is completed when the number of payments matches the billing_times field
-	 *
-	 * @since  1.0.0
-	 * @return void
-	 */
-	public function complete() {
+    /**
+     * Marks a subscription as completed
+     *
+     * Subscription is completed when the number of payments matches the billing_times field
+     *
+     * @since  1.0.0
+     * @return void
+     */
+    public function complete() {
 
-		// Only mark a subscription as complete if it's not already cancelled.
-		if ( 'cancelled' === $this->status ) {
-			return;
-		}
+        // Only mark a subscription as complete if it's not already cancelled.
+        if ( 'cancelled' === $this->status ) {
+            return;
+        }
 
-		$args = array(
-			'status' => 'completed'
-		);
+        $args = array(
+            'status' => 'completed'
+        );
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+        if( $this->subs_db->update( $this->id, $args ) ) {
 
-			$this->status = 'completed';
+            $this->status = 'completed';
 
-			do_action( 'wpinv_subscription_completed', $this->id, $this );
+            do_action( 'wpinv_subscription_completed', $this->id, $this );
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Marks a subscription as expired
-	 *
-	 * Subscription is completed when the billing times is reached
-	 *
-	 * @since  1.0.0
-	 * @param  $check_expiration bool True if expiration date should be checked with merchant processor before expiring
-	 * @return void
-	 */
-	public function expire( $check_expiration = false ) {
+    /**
+     * Marks a subscription as expired
+     *
+     * Subscription is completed when the billing times is reached
+     *
+     * @since  1.0.0
+     * @param  $check_expiration bool True if expiration date should be checked with merchant processor before expiring
+     * @return void
+     */
+    public function expire( $check_expiration = false ) {
 
-		$expiration = $this->expiration;
+        $expiration = $this->expiration;
 
-		if( $check_expiration && $this->check_expiration() ) {
+        if( $check_expiration && $this->check_expiration() ) {
 
-			// check_expiration() updates $this->expiration so compare to $expiration above
+            // check_expiration() updates $this->expiration so compare to $expiration above
 
-			if( $expiration < $this->get_expiration() && current_time( 'timestamp' ) < $this->get_expiration_time() ) {
+            if( $expiration < $this->get_expiration() && current_time( 'timestamp' ) < $this->get_expiration_time() ) {
 
-				return false; // Do not mark as expired since real expiration date is in the future
-			}
+                return false; // Do not mark as expired since real expiration date is in the future
+            }
 
-		}
+        }
 
-		$args = array(
-			'status' => 'expired'
-		);
+        $args = array(
+            'status' => 'expired'
+        );
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+        if( $this->subs_db->update( $this->id, $args ) ) {
 
-			$this->status = 'expired';
+            $this->status = 'expired';
 
-			do_action( 'wpinv_subscription_expired', $this->id, $this );
+            do_action( 'wpinv_subscription_expired', $this->id, $this );
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Marks a subscription as failing
-	 *
-	 * @since  2.4.2
-	 * @return void
-	 */
-	public function failing() {
+    /**
+     * Marks a subscription as failing
+     *
+     * @since  2.4.2
+     * @return void
+     */
+    public function failing() {
 
-		$args = array(
-			'status' => 'failing'
-		);
+        $args = array(
+            'status' => 'failing'
+        );
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+        if( $this->subs_db->update( $this->id, $args ) ) {
 
-			$this->status = 'failing';
+            $this->status = 'failing';
 
-			do_action( 'wpinv_subscription_failing', $this->id, $this );
+            do_action( 'wpinv_subscription_failing', $this->id, $this );
 
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Marks a subscription as cancelled
-	 *
-	 * @since  1.0.0
-	 * @return void
-	 */
-	public function cancel() {
+    /**
+     * Marks a subscription as cancelled
+     *
+     * @since  1.0.0
+     * @return void
+     */
+    public function cancel() {
 
-		if( 'cancelled' === $this->status ) {
-			return; // Already cancelled
-		}
+        if( 'cancelled' === $this->status ) {
+            return; // Already cancelled
+        }
 
-		$args = array(
-			'status' => 'cancelled'
-		);
+        $args = array(
+            'status' => 'cancelled'
+        );
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+        if( $this->subs_db->update( $this->id, $args ) ) {
 
             if( is_user_logged_in() ) {
 
@@ -506,31 +506,31 @@ 
             $note = sprintf( __( 'Subscription for Invoice #%d cancelled by %s', 'invoicing' ), $this->parent_payment_id, $user );
             wpinv_insert_payment_note( $this->parent_payment_id, $note, '', '', true );
 
-		    $this->status = 'cancelled';
+            $this->status = 'cancelled';
 
-			do_action( 'wpinv_subscription_cancelled', $this->id, $this );
+            do_action( 'wpinv_subscription_cancelled', $this->id, $this );
 
 
-		}
+        }
 
-	}
+    }
 
-	/**
-	 * Determines if subscription can be cancelled
-	 *
-	 * This method is filtered by payment gateways in order to return true on subscriptions
-	 * that can be cancelled with a profile ID through the merchant processor
-	 *
-	 * @since  1.0.0
-	 * @return bool
-	 */
-	public function can_cancel() {
+    /**
+     * Determines if subscription can be cancelled
+     *
+     * This method is filtered by payment gateways in order to return true on subscriptions
+     * that can be cancelled with a profile ID through the merchant processor
+     *
+     * @since  1.0.0
+     * @return bool
+     */
+    public function can_cancel() {
         $ret = false;
-	    if( $this->gateway === 'manual' || in_array( $this->status, $this->get_cancellable_statuses() ) ) {
+        if( $this->gateway === 'manual' || in_array( $this->status, $this->get_cancellable_statuses() ) ) {
             $ret = true;
         }
-		return apply_filters( 'wpinv_subscription_can_cancel', $ret, $this );
-	}
+        return apply_filters( 'wpinv_subscription_can_cancel', $ret, $this );
+    }
 
     /**
      * Returns an array of subscription statuses that can be cancelled
@@ -543,197 +543,197 @@ 
         return apply_filters( 'wpinv_recurring_cancellable_statuses', array( 'active', 'trialling', 'failing' ) );
     }
 
-	/**
-	 * Retrieves the URL to cancel subscription
-	 *
-	 * @since  1.0.0
-	 * @return string
-	 */
-	public function get_cancel_url() {
+    /**
+     * Retrieves the URL to cancel subscription
+     *
+     * @since  1.0.0
+     * @return string
+     */
+    public function get_cancel_url() {
+
+        $url = wp_nonce_url( add_query_arg( array( 'wpinv_action' => 'cancel_subscription', 'sub_id' => $this->id ) ), 'wpinv-recurring-cancel' );
 
-		$url = wp_nonce_url( add_query_arg( array( 'wpinv_action' => 'cancel_subscription', 'sub_id' => $this->id ) ), 'wpinv-recurring-cancel' );
+        return apply_filters( 'wpinv_subscription_cancel_url', $url, $this );
+    }
+
+    /**
+     * Determines if subscription can be manually renewed
+     *
+     * This method is filtered by payment gateways in order to return true on subscriptions
+     * that can be renewed manually
+     *
+     * @since  2.5
+     * @return bool
+     */
+    public function can_renew() {
+
+        return apply_filters( 'wpinv_subscription_can_renew', true, $this );
+    }
+
+    /**
+     * Retrieves the URL to renew a subscription
+     *
+     * @since  2.5
+     * @return string
+     */
+    public function get_renew_url() {
+
+        $url = wp_nonce_url( add_query_arg( array( 'wpinv_action' => 'renew_subscription', 'sub_id' => $this->id ) ), 'wpinv-recurring-renew' );
+
+        return apply_filters( 'wpinv_subscription_renew_url', $url, $this );
+    }
+
+    /**
+     * Determines if subscription can have their payment method updated
+     *
+     * @since  1.0.0
+     * @return bool
+     */
+    public function can_update() {
+        return apply_filters( 'wpinv_subscription_can_update', false, $this );
+    }
+
+    /**
+     * Retrieves the URL to update subscription
+     *
+     * @since  1.0.0
+     * @return void
+     */
+    public function get_update_url() {
 
-		return apply_filters( 'wpinv_subscription_cancel_url', $url, $this );
-	}
+        $url = add_query_arg( array( 'action' => 'update', 'subscription_id' => $this->id ) );
+
+        return apply_filters( 'wpinv_subscription_update_url', $url, $this );
+    }
+
+    /**
+     * Determines if subscription is active
+     *
+     * @since  1.0.0
+     * @return void
+     */
+    public function is_active() {
+
+        $ret = false;
+
+        if( ! $this->is_expired() && ( $this->status == 'active' || $this->status == 'cancelled' || $this->status == 'trialling' ) ) {
+            $ret = true;
+        }
+
+        return apply_filters( 'wpinv_subscription_is_active', $ret, $this->id, $this );
+
+    }
+
+    /**
+     * Determines if subscription is expired
+     *
+     * @since  1.0.0
+     * @return void
+     */
+    public function is_expired() {
+
+        $ret = false;
+
+        if ( $this->status == 'expired' ) {
+
+            $ret = true;
+
+        } elseif( 'active' === $this->status || 'cancelled' === $this->status || $this->status == 'trialling'  ) {
+
+            $ret        = false;
+            $expiration = $this->get_expiration_time();
+
+            if( $expiration && strtotime( 'NOW', current_time( 'timestamp' ) ) > $expiration ) {
+                $ret = true;
+
+                if ( 'active' === $this->status || $this->status == 'trialling'  ) {
+                    $this->expire();
+                }
+            }
+
+        }
 
-	/**
-	 * Determines if subscription can be manually renewed
-	 *
-	 * This method is filtered by payment gateways in order to return true on subscriptions
-	 * that can be renewed manually
-	 *
-	 * @since  2.5
-	 * @return bool
-	 */
-	public function can_renew() {
+        return apply_filters( 'wpinv_subscription_is_expired', $ret, $this->id, $this );
 
-		return apply_filters( 'wpinv_subscription_can_renew', true, $this );
-	}
-
-	/**
-	 * Retrieves the URL to renew a subscription
-	 *
-	 * @since  2.5
-	 * @return string
-	 */
-	public function get_renew_url() {
-
-		$url = wp_nonce_url( add_query_arg( array( 'wpinv_action' => 'renew_subscription', 'sub_id' => $this->id ) ), 'wpinv-recurring-renew' );
-
-		return apply_filters( 'wpinv_subscription_renew_url', $url, $this );
-	}
-
-	/**
-	 * Determines if subscription can have their payment method updated
-	 *
-	 * @since  1.0.0
-	 * @return bool
-	 */
-	public function can_update() {
-		return apply_filters( 'wpinv_subscription_can_update', false, $this );
-	}
-
-	/**
-	 * Retrieves the URL to update subscription
-	 *
-	 * @since  1.0.0
-	 * @return void
-	 */
-	public function get_update_url() {
-
-		$url = add_query_arg( array( 'action' => 'update', 'subscription_id' => $this->id ) );
-
-		return apply_filters( 'wpinv_subscription_update_url', $url, $this );
-	}
-
-	/**
-	 * Determines if subscription is active
-	 *
-	 * @since  1.0.0
-	 * @return void
-	 */
-	public function is_active() {
-
-		$ret = false;
-
-		if( ! $this->is_expired() && ( $this->status == 'active' || $this->status == 'cancelled' || $this->status == 'trialling' ) ) {
-			$ret = true;
-		}
-
-		return apply_filters( 'wpinv_subscription_is_active', $ret, $this->id, $this );
-
-	}
-
-	/**
-	 * Determines if subscription is expired
-	 *
-	 * @since  1.0.0
-	 * @return void
-	 */
-	public function is_expired() {
-
-		$ret = false;
-
-		if ( $this->status == 'expired' ) {
-
-			$ret = true;
-
-		} elseif( 'active' === $this->status || 'cancelled' === $this->status || $this->status == 'trialling'  ) {
-
-			$ret        = false;
-			$expiration = $this->get_expiration_time();
-
-			if( $expiration && strtotime( 'NOW', current_time( 'timestamp' ) ) > $expiration ) {
-				$ret = true;
-
-				if ( 'active' === $this->status || $this->status == 'trialling'  ) {
-					$this->expire();
-				}
-			}
-
-		}
-
-		return apply_filters( 'wpinv_subscription_is_expired', $ret, $this->id, $this );
-
-	}
-
-	/**
-	 * Retrieves the expiration date
-	 *
-	 * @since  1.0.0
-	 * @return string
-	 */
-	public function get_expiration() {
-		return $this->expiration;
-	}
-
-	/**
-	 * Retrieves the expiration date in a timestamp
-	 *
-	 * @since  1.0.0
-	 * @return int
-	 */
-	public function get_expiration_time() {
-		return strtotime( $this->expiration, current_time( 'timestamp' ) );
-	}
-
-	/**
-	 * Retrieves the subscription status
-	 *
-	 * @since  1.0.0
-	 * @return int
-	 */
-	public function get_status() {
-
-		// Monitor for page load delays on pages with large subscription lists (IE: Subscriptions table in admin)
-		$this->is_expired();
-		return $this->status;
-	}
-
-	/**
-	 * Retrieves the subscription status label
-	 *
-	 * @since  1.0.0
-	 * @return int
-	 */
-	public function get_status_label() {
-
-		switch( $this->get_status() ) {
-			case 'active' :
-				$status = __( 'Active', 'invoicing' );
-				break;
-
-			case 'cancelled' :
-				$status = __( 'Cancelled', 'invoicing' );
-				break;
-
-			case 'expired' :
-				$status = __( 'Expired', 'invoicing' );
-				break;
-
-			case 'pending' :
-				$status = __( 'Pending', 'invoicing' );
-				break;
-
-			case 'failing' :
-				$status = __( 'Failing', 'invoicing' );
-				break;
-
-			case 'trialling' :
-				$status = __( 'Trialling', 'invoicing' );
-				break;
-
-			case 'completed' :
-				$status = __( 'Completed', 'invoicing' );
-				break;
-
-			default:
-				$status = ucfirst( $this->get_status() );
-				break;
-		}
-
-		return $status;
-	}
+    }
+
+    /**
+     * Retrieves the expiration date
+     *
+     * @since  1.0.0
+     * @return string
+     */
+    public function get_expiration() {
+        return $this->expiration;
+    }
+
+    /**
+     * Retrieves the expiration date in a timestamp
+     *
+     * @since  1.0.0
+     * @return int
+     */
+    public function get_expiration_time() {
+        return strtotime( $this->expiration, current_time( 'timestamp' ) );
+    }
+
+    /**
+     * Retrieves the subscription status
+     *
+     * @since  1.0.0
+     * @return int
+     */
+    public function get_status() {
+
+        // Monitor for page load delays on pages with large subscription lists (IE: Subscriptions table in admin)
+        $this->is_expired();
+        return $this->status;
+    }
+
+    /**
+     * Retrieves the subscription status label
+     *
+     * @since  1.0.0
+     * @return int
+     */
+    public function get_status_label() {
+
+        switch( $this->get_status() ) {
+            case 'active' :
+                $status = __( 'Active', 'invoicing' );
+                break;
+
+            case 'cancelled' :
+                $status = __( 'Cancelled', 'invoicing' );
+                break;
+
+            case 'expired' :
+                $status = __( 'Expired', 'invoicing' );
+                break;
+
+            case 'pending' :
+                $status = __( 'Pending', 'invoicing' );
+                break;
+
+            case 'failing' :
+                $status = __( 'Failing', 'invoicing' );
+                break;
+
+            case 'trialling' :
+                $status = __( 'Trialling', 'invoicing' );
+                break;
+
+            case 'completed' :
+                $status = __( 'Completed', 'invoicing' );
+                break;
+
+            default:
+                $status = ucfirst( $this->get_status() );
+                break;
+        }
+
+        return $status;
+    }
 
     /**
      * Retrieves the subscription status label

Spacing +129 added lines, -129 removed lines

@@ -1,7 +1,7 @@ 
 <?php
 
 // Exit if accessed directly
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -38,15 +38,15 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	function __construct( $_id_or_object = 0, $_by_profile_id = false ) {
+	function __construct($_id_or_object = 0, $_by_profile_id = false) {
 
 		$this->subs_db = new WPInv_Subscriptions_DB;
 
-		if( $_by_profile_id ) {
+		if ($_by_profile_id) {
 
-			$_sub = $this->subs_db->get_by( 'profile_id', $_id_or_object );
+			$_sub = $this->subs_db->get_by('profile_id', $_id_or_object);
 
-			if( empty( $_sub ) ) {
+			if (empty($_sub)) {
 				return false;
 			}
 
@@ -54,7 +54,7 @@ 
 
 		}
 
-		return $this->setup_subscription( $_id_or_object );
+		return $this->setup_subscription($_id_or_object);
 	}
 
 	/**
@@ -63,34 +63,34 @@ 
 	 * @since  1.0.0
 	 * @return void
 	 */
-	private function setup_subscription( $id_or_object = 0 ) {
+	private function setup_subscription($id_or_object = 0) {
 
-		if( empty( $id_or_object ) ) {
+		if (empty($id_or_object)) {
 			return false;
 		}
 
-		if( is_numeric( $id_or_object ) ) {
+		if (is_numeric($id_or_object)) {
 
-			$sub = $this->subs_db->get( $id_or_object );
+			$sub = $this->subs_db->get($id_or_object);
 
-		} elseif( is_object( $id_or_object ) ) {
+		} elseif (is_object($id_or_object)) {
 
 			$sub = $id_or_object;
 
 		}
 
-		if( empty( $sub ) ) {
+		if (empty($sub)) {
 			return false;
 		}
 
-		foreach( $sub as $key => $value ) {
+		foreach ($sub as $key => $value) {
 			$this->$key = $value;
 		}
 
-		$this->customer = get_userdata( $this->customer_id );
-		$this->gateway  = wpinv_get_payment_gateway( $this->parent_payment_id );
+		$this->customer = get_userdata($this->customer_id);
+		$this->gateway  = wpinv_get_payment_gateway($this->parent_payment_id);
 
-		do_action( 'wpinv_recurring_setup_subscription', $this );
+		do_action('wpinv_recurring_setup_subscription', $this);
 
 		return $this;
 	}
@@ -100,15 +100,15 @@ 
 	 *
 	 * @since 1.0.0
 	 */
-	public function __get( $key ) {
+	public function __get($key) {
 
-		if( method_exists( $this, 'get_' . $key ) ) {
+		if (method_exists($this, 'get_' . $key)) {
 
-			return call_user_func( array( $this, 'get_' . $key ) );
+			return call_user_func(array($this, 'get_' . $key));
 
 		} else {
 
-			return new WP_Error( 'wpinv-subscription-invalid-property', sprintf( __( 'Can\'t get property %s', 'invoicing' ), $key ) );
+			return new WP_Error('wpinv-subscription-invalid-property', sprintf(__('Can\'t get property %s', 'invoicing'), $key));
 
 		}
 
@@ -121,9 +121,9 @@ 
 	 * @param  array  $data Array of attributes for a subscription
 	 * @return mixed  false if data isn't passed and class not instantiated for creation
 	 */
-	public function create( $data = array() ) {
+	public function create($data = array()) {
 
-		if ( $this->id != 0 ) {
+		if ($this->id != 0) {
 			return false;
 		}
 
@@ -142,11 +142,11 @@ 
 			'profile_id'        => '',
 		);
 
-		$args = wp_parse_args( $data, $defaults );
+		$args = wp_parse_args($data, $defaults);
 
-		if( $args['expiration'] && strtotime( 'NOW', current_time( 'timestamp' ) ) > strtotime( $args['expiration'], current_time( 'timestamp' ) ) ) {
+		if ($args['expiration'] && strtotime('NOW', current_time('timestamp')) > strtotime($args['expiration'], current_time('timestamp'))) {
 
-			if( 'active' == $args['status'] || 'trialling' == $args['status'] ) {
+			if ('active' == $args['status'] || 'trialling' == $args['status']) {
 
 				// Force an active subscription to expired if expiration date is in the past
 				$args['status'] = 'expired';
@@ -154,13 +154,13 @@ 
 			}
 		}
 
-		do_action( 'wpinv_subscription_pre_create', $args );
+		do_action('wpinv_subscription_pre_create', $args);
 
-		$id = $this->subs_db->insert( $args, 'subscription' );
+		$id = $this->subs_db->insert($args, 'subscription');
 
-		do_action( 'wpinv_subscription_post_create', $id, $args );
+		do_action('wpinv_subscription_post_create', $id, $args);
 
-		return $this->setup_subscription( $id );
+		return $this->setup_subscription($id);
 
 	}
 
@@ -171,11 +171,11 @@ 
 	 * @param  array $args Array of fields to update
 	 * @return bool
 	 */
-	public function update( $args = array() ) {
+	public function update($args = array()) {
 
-		$ret = $this->subs_db->update( $this->id, $args );
+		$ret = $this->subs_db->update($this->id, $args);
 
-		do_action( 'wpinv_recurring_update_subscription', $this->id, $args, $this );
+		do_action('wpinv_recurring_update_subscription', $this->id, $args, $this);
 
 		return $ret;
 
@@ -188,7 +188,7 @@ 
 	 * @return bool
 	 */
 	public function delete() {
-		return $this->subs_db->delete( $this->id );
+		return $this->subs_db->delete($this->id);
 	}
 
 	/**
@@ -211,12 +211,12 @@ 
 	 */
 	public function get_child_payments() {
 
-		$payments = get_posts( array(
-			'post_parent'    => (int) $this->parent_payment_id,
+		$payments = get_posts(array(
+			'post_parent'    => (int)$this->parent_payment_id,
 			'posts_per_page' => '999',
-			'post_status'    => array( 'publish', 'wpi-processing', 'wpi-renewal' ),
+			'post_status'    => array('publish', 'wpi-processing', 'wpi-renewal'),
 			'post_type'      => 'wpi_invoice'
-		) );
+		));
 
 		return $payments;
 
@@ -230,8 +230,8 @@ 
 	 */
 	public function get_total_payments() {
 
-		if('pending' != $this->status){
-            return count( $this->get_child_payments() ) + 1;
+		if ('pending' != $this->status) {
+            return count($this->get_child_payments()) + 1;
         } else {
             return count($this->get_child_payments());
         }
@@ -248,8 +248,8 @@ 
 
 		$times_billed = $this->get_total_payments();
 
-		if( ! empty( $this->trial_period ) ) {
-            if('pending' != $this->status){
+		if (!empty($this->trial_period)) {
+            if ('pending' != $this->status) {
                 $times_billed = 0;
             } else {
                 $times_billed -= 1;
@@ -267,29 +267,29 @@ 
      * @param  array $args Array of values for the payment, including amount and transaction ID
      * @return bool
      */
-    public function add_payment( $args = array() ) {
+    public function add_payment($args = array()) {
 
-        $args = wp_parse_args( $args, array(
+        $args = wp_parse_args($args, array(
             'amount'         => '',
             'transaction_id' => '',
             'gateway'        => ''
-        ) );
+        ));
 
-        if ( $this->payment_exists( $args['transaction_id'] ) ) {
+        if ($this->payment_exists($args['transaction_id'])) {
             return false;
         }
 
-        if(!$this->parent_payment_id){
+        if (!$this->parent_payment_id) {
             return false;
         }
 
         $invoice = new WPInv_Invoice($this->parent_payment_id);
-        $invoice->ID = $invoice->title = $invoice->number ='';
+        $invoice->ID = $invoice->title = $invoice->number = '';
         $invoice->parent_invoice = $this->parent_payment_id;
         $invoice->save();
 
-        do_action( 'wpinv_recurring_add_subscription_payment', $invoice, $this );
-        do_action( 'wpinv_recurring_record_payment', $invoice->ID, $this->parent_payment_id, $args['amount'], $args['transaction_id'] );
+        do_action('wpinv_recurring_add_subscription_payment', $invoice, $this);
+        do_action('wpinv_recurring_record_payment', $invoice->ID, $this->parent_payment_id, $args['amount'], $args['transaction_id']);
 
         return $invoice->ID;
     }
@@ -302,12 +302,12 @@ 
 	 */
 	public function get_transaction_id() {
 
-		if( empty( $this->transaction_id ) ) {
+		if (empty($this->transaction_id)) {
 
-			$txn_id = wpinv_get_payment_transaction_id( $this->parent_payment_id );
+			$txn_id = wpinv_get_payment_transaction_id($this->parent_payment_id);
 
-			if( ! empty( $txn_id ) && (int) $this->parent_payment_id !== (int) $txn_id ) {
-				$this->set_transaction_id( $txn_id );
+			if (!empty($txn_id) && (int)$this->parent_payment_id !== (int)$txn_id) {
+				$this->set_transaction_id($txn_id);
 			}
 
 		}
@@ -322,8 +322,8 @@ 
 	 * @since  1.0.0.4
 	 * @return bool
 	 */
-	public function set_transaction_id( $txn_id = '' ) {
-		$this->update( array( 'transaction_id' => $txn_id ) );
+	public function set_transaction_id($txn_id = '') {
+		$this->update(array('transaction_id' => $txn_id));
 		$this->transaction_id = $txn_id;
 	}
 
@@ -339,35 +339,35 @@ 
 
 
 		// Determine what date to use as the start for the new expiration calculation
-		if( $expires > current_time( 'timestamp' ) && $this->is_active() ) {
+		if ($expires > current_time('timestamp') && $this->is_active()) {
 
-			$base_date  = $expires;
+			$base_date = $expires;
 
 		} else {
 
-			$base_date  = current_time( 'timestamp' );
+			$base_date = current_time('timestamp');
 
 		}
 
-		$last_day = cal_days_in_month( CAL_GREGORIAN, date( 'n', $base_date ), date( 'Y', $base_date ) );
+		$last_day = cal_days_in_month(CAL_GREGORIAN, date('n', $base_date), date('Y', $base_date));
 
 
 		$frequency = isset($this->frequency) ? $this->frequency : 1;
-		$expiration = date( 'Y-m-d H:i:s', strtotime( '+' . $frequency . ' ' . $this->period  . ' 23:59:59', $base_date ) );
+		$expiration = date('Y-m-d H:i:s', strtotime('+' . $frequency . ' ' . $this->period . ' 23:59:59', $base_date));
 
-		if( date( 'j', $base_date ) == $last_day && 'day' != $this->period ) {
-			$expiration = date( 'Y-m-d H:i:s', strtotime( $expiration . ' +2 days' ) );
+		if (date('j', $base_date) == $last_day && 'day' != $this->period) {
+			$expiration = date('Y-m-d H:i:s', strtotime($expiration . ' +2 days'));
 		}
 
-		$expiration  = apply_filters( 'wpinv_subscription_renewal_expiration', $expiration, $this->id, $this );
+		$expiration  = apply_filters('wpinv_subscription_renewal_expiration', $expiration, $this->id, $this);
 
-		do_action( 'wpinv_subscription_pre_renew', $this->id, $expiration, $this );
+		do_action('wpinv_subscription_pre_renew', $this->id, $expiration, $this);
 
 		$this->status = 'active';
 		$times_billed = $this->get_times_billed();
 
 		// Complete subscription if applicable
-		if ( $this->bill_times > 0 && $times_billed >= $this->bill_times ) {
+		if ($this->bill_times > 0 && $times_billed >= $this->bill_times) {
 			$this->complete();
 			$this->status = 'completed';
 		}
@@ -377,10 +377,10 @@ 
 			'status'     => $this->status,
 		);
 
-        $this->subs_db->update( $this->id, $args );
+        $this->subs_db->update($this->id, $args);
 
-		do_action( 'wpinv_subscription_post_renew', $this->id, $expiration, $this );
-		do_action( 'wpinv_recurring_set_subscription_status', $this->id, $this->status, $this );
+		do_action('wpinv_subscription_post_renew', $this->id, $expiration, $this);
+		do_action('wpinv_recurring_set_subscription_status', $this->id, $this->status, $this);
 
 	}
 
@@ -395,7 +395,7 @@ 
 	public function complete() {
 
 		// Only mark a subscription as complete if it's not already cancelled.
-		if ( 'cancelled' === $this->status ) {
+		if ('cancelled' === $this->status) {
 			return;
 		}
 
@@ -403,11 +403,11 @@ 
 			'status' => 'completed'
 		);
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+		if ($this->subs_db->update($this->id, $args)) {
 
 			$this->status = 'completed';
 
-			do_action( 'wpinv_subscription_completed', $this->id, $this );
+			do_action('wpinv_subscription_completed', $this->id, $this);
 
 		}
 
@@ -422,15 +422,15 @@ 
 	 * @param  $check_expiration bool True if expiration date should be checked with merchant processor before expiring
 	 * @return void
 	 */
-	public function expire( $check_expiration = false ) {
+	public function expire($check_expiration = false) {
 
 		$expiration = $this->expiration;
 
-		if( $check_expiration && $this->check_expiration() ) {
+		if ($check_expiration && $this->check_expiration()) {
 
 			// check_expiration() updates $this->expiration so compare to $expiration above
 
-			if( $expiration < $this->get_expiration() && current_time( 'timestamp' ) < $this->get_expiration_time() ) {
+			if ($expiration < $this->get_expiration() && current_time('timestamp') < $this->get_expiration_time()) {
 
 				return false; // Do not mark as expired since real expiration date is in the future
 			}
@@ -441,11 +441,11 @@ 
 			'status' => 'expired'
 		);
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+		if ($this->subs_db->update($this->id, $args)) {
 
 			$this->status = 'expired';
 
-			do_action( 'wpinv_subscription_expired', $this->id, $this );
+			do_action('wpinv_subscription_expired', $this->id, $this);
 
 		}
 
@@ -463,11 +463,11 @@ 
 			'status' => 'failing'
 		);
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+		if ($this->subs_db->update($this->id, $args)) {
 
 			$this->status = 'failing';
 
-			do_action( 'wpinv_subscription_failing', $this->id, $this );
+			do_action('wpinv_subscription_failing', $this->id, $this);
 
 
 		}
@@ -482,7 +482,7 @@ 
 	 */
 	public function cancel() {
 
-		if( 'cancelled' === $this->status ) {
+		if ('cancelled' === $this->status) {
 			return; // Already cancelled
 		}
 
@@ -490,25 +490,25 @@ 
 			'status' => 'cancelled'
 		);
 
-		if( $this->subs_db->update( $this->id, $args ) ) {
+		if ($this->subs_db->update($this->id, $args)) {
 
-            if( is_user_logged_in() ) {
+            if (is_user_logged_in()) {
 
-                $userdata = get_userdata( get_current_user_id() );
+                $userdata = get_userdata(get_current_user_id());
                 $user     = $userdata->display_name;
 
             } else {
 
-                $user = __( 'gateway', 'invoicing' );
+                $user = __('gateway', 'invoicing');
 
             }
 
-            $note = sprintf( __( 'Subscription for Invoice #%d cancelled by %s', 'invoicing' ), $this->parent_payment_id, $user );
-            wpinv_insert_payment_note( $this->parent_payment_id, $note, '', '', true );
+            $note = sprintf(__('Subscription for Invoice #%d cancelled by %s', 'invoicing'), $this->parent_payment_id, $user);
+            wpinv_insert_payment_note($this->parent_payment_id, $note, '', '', true);
 
 		    $this->status = 'cancelled';
 
-			do_action( 'wpinv_subscription_cancelled', $this->id, $this );
+			do_action('wpinv_subscription_cancelled', $this->id, $this);
 
 
 		}
@@ -526,10 +526,10 @@ 
 	 */
 	public function can_cancel() {
         $ret = false;
-	    if( $this->gateway === 'manual' || in_array( $this->status, $this->get_cancellable_statuses() ) ) {
+	    if ($this->gateway === 'manual' || in_array($this->status, $this->get_cancellable_statuses())) {
             $ret = true;
         }
-		return apply_filters( 'wpinv_subscription_can_cancel', $ret, $this );
+		return apply_filters('wpinv_subscription_can_cancel', $ret, $this);
 	}
 
     /**
@@ -540,7 +540,7 @@ 
      * @return      array
      */
     public function get_cancellable_statuses() {
-        return apply_filters( 'wpinv_recurring_cancellable_statuses', array( 'active', 'trialling', 'failing' ) );
+        return apply_filters('wpinv_recurring_cancellable_statuses', array('active', 'trialling', 'failing'));
     }
 
 	/**
@@ -551,9 +551,9 @@ 
 	 */
 	public function get_cancel_url() {
 
-		$url = wp_nonce_url( add_query_arg( array( 'wpinv_action' => 'cancel_subscription', 'sub_id' => $this->id ) ), 'wpinv-recurring-cancel' );
+		$url = wp_nonce_url(add_query_arg(array('wpinv_action' => 'cancel_subscription', 'sub_id' => $this->id)), 'wpinv-recurring-cancel');
 
-		return apply_filters( 'wpinv_subscription_cancel_url', $url, $this );
+		return apply_filters('wpinv_subscription_cancel_url', $url, $this);
 	}
 
 	/**
@@ -567,7 +567,7 @@ 
 	 */
 	public function can_renew() {
 
-		return apply_filters( 'wpinv_subscription_can_renew', true, $this );
+		return apply_filters('wpinv_subscription_can_renew', true, $this);
 	}
 
 	/**
@@ -578,9 +578,9 @@ 
 	 */
 	public function get_renew_url() {
 
-		$url = wp_nonce_url( add_query_arg( array( 'wpinv_action' => 'renew_subscription', 'sub_id' => $this->id ) ), 'wpinv-recurring-renew' );
+		$url = wp_nonce_url(add_query_arg(array('wpinv_action' => 'renew_subscription', 'sub_id' => $this->id)), 'wpinv-recurring-renew');
 
-		return apply_filters( 'wpinv_subscription_renew_url', $url, $this );
+		return apply_filters('wpinv_subscription_renew_url', $url, $this);
 	}
 
 	/**
@@ -590,7 +590,7 @@ 
 	 * @return bool
 	 */
 	public function can_update() {
-		return apply_filters( 'wpinv_subscription_can_update', false, $this );
+		return apply_filters('wpinv_subscription_can_update', false, $this);
 	}
 
 	/**
@@ -601,9 +601,9 @@ 
 	 */
 	public function get_update_url() {
 
-		$url = add_query_arg( array( 'action' => 'update', 'subscription_id' => $this->id ) );
+		$url = add_query_arg(array('action' => 'update', 'subscription_id' => $this->id));
 
-		return apply_filters( 'wpinv_subscription_update_url', $url, $this );
+		return apply_filters('wpinv_subscription_update_url', $url, $this);
 	}
 
 	/**
@@ -616,11 +616,11 @@ 
 
 		$ret = false;
 
-		if( ! $this->is_expired() && ( $this->status == 'active' || $this->status == 'cancelled' || $this->status == 'trialling' ) ) {
+		if (!$this->is_expired() && ($this->status == 'active' || $this->status == 'cancelled' || $this->status == 'trialling')) {
 			$ret = true;
 		}
 
-		return apply_filters( 'wpinv_subscription_is_active', $ret, $this->id, $this );
+		return apply_filters('wpinv_subscription_is_active', $ret, $this->id, $this);
 
 	}
 
@@ -634,26 +634,26 @@ 
 
 		$ret = false;
 
-		if ( $this->status == 'expired' ) {
+		if ($this->status == 'expired') {
 
 			$ret = true;
 
-		} elseif( 'active' === $this->status || 'cancelled' === $this->status || $this->status == 'trialling'  ) {
+		} elseif ('active' === $this->status || 'cancelled' === $this->status || $this->status == 'trialling') {
 
 			$ret        = false;
 			$expiration = $this->get_expiration_time();
 
-			if( $expiration && strtotime( 'NOW', current_time( 'timestamp' ) ) > $expiration ) {
+			if ($expiration && strtotime('NOW', current_time('timestamp')) > $expiration) {
 				$ret = true;
 
-				if ( 'active' === $this->status || $this->status == 'trialling'  ) {
+				if ('active' === $this->status || $this->status == 'trialling') {
 					$this->expire();
 				}
 			}
 
 		}
 
-		return apply_filters( 'wpinv_subscription_is_expired', $ret, $this->id, $this );
+		return apply_filters('wpinv_subscription_is_expired', $ret, $this->id, $this);
 
 	}
 
@@ -674,7 +674,7 @@ 
 	 * @return int
 	 */
 	public function get_expiration_time() {
-		return strtotime( $this->expiration, current_time( 'timestamp' ) );
+		return strtotime($this->expiration, current_time('timestamp'));
 	}
 
 	/**
@@ -698,37 +698,37 @@ 
 	 */
 	public function get_status_label() {
 
-		switch( $this->get_status() ) {
+		switch ($this->get_status()) {
 			case 'active' :
-				$status = __( 'Active', 'invoicing' );
+				$status = __('Active', 'invoicing');
 				break;
 
 			case 'cancelled' :
-				$status = __( 'Cancelled', 'invoicing' );
+				$status = __('Cancelled', 'invoicing');
 				break;
 
 			case 'expired' :
-				$status = __( 'Expired', 'invoicing' );
+				$status = __('Expired', 'invoicing');
 				break;
 
 			case 'pending' :
-				$status = __( 'Pending', 'invoicing' );
+				$status = __('Pending', 'invoicing');
 				break;
 
 			case 'failing' :
-				$status = __( 'Failing', 'invoicing' );
+				$status = __('Failing', 'invoicing');
 				break;
 
 			case 'trialling' :
-				$status = __( 'Trialling', 'invoicing' );
+				$status = __('Trialling', 'invoicing');
 				break;
 
 			case 'completed' :
-				$status = __( 'Completed', 'invoicing' );
+				$status = __('Completed', 'invoicing');
 				break;
 
 			default:
-				$status = ucfirst( $this->get_status() );
+				$status = ucfirst($this->get_status());
 				break;
 		}
 
@@ -743,51 +743,51 @@ 
      */
     public function get_status_label_html() {
 
-        switch( $get_status = $this->get_status() ) {
+        switch ($get_status = $this->get_status()) {
             case 'active' :
-                $status = __( 'Active', 'invoicing' );
+                $status = __('Active', 'invoicing');
                 $class = 'label-info';
                 break;
 
             case 'cancelled' :
-                $status = __( 'Cancelled', 'invoicing' );
+                $status = __('Cancelled', 'invoicing');
                 $class = 'label-danger';
                 break;
 
             case 'expired' :
-                $status = __( 'Expired', 'invoicing' );
+                $status = __('Expired', 'invoicing');
                 $class = 'label-default';
                 break;
 
             case 'pending' :
-                $status = __( 'Pending', 'invoicing' );
+                $status = __('Pending', 'invoicing');
                 $class = 'label-primary';
                 break;
 
             case 'failing' :
-                $status = __( 'Failing', 'invoicing' );
+                $status = __('Failing', 'invoicing');
                 $class = 'label-danger';
                 break;
 
             case 'trialling' :
-                $status = __( 'Trialling', 'invoicing' );
+                $status = __('Trialling', 'invoicing');
                 $class = 'label-info';
                 break;
 
             case 'completed' :
-                $status = __( 'Completed', 'invoicing' );
+                $status = __('Completed', 'invoicing');
                 $class = 'label-success';
                 break;
 
             default:
-                $status = ucfirst( $this->get_status() );
+                $status = ucfirst($this->get_status());
                 $class = 'label-default';
                 break;
         }
 
         $label = '<span class="sub-status label label-sub-' . $get_status . ' ' . $class . '">' . $status . '</span>';
 
-        return apply_filters( 'wpinv_subscription_status_label_html', $label, $get_status, $status );
+        return apply_filters('wpinv_subscription_status_label_html', $label, $get_status, $status);
     }
 
     /**
@@ -797,18 +797,18 @@ 
      * @param  string $txn_id The transaction ID from the merchant processor
      * @return bool
      */
-    public function payment_exists( $txn_id = '' ) {
+    public function payment_exists($txn_id = '') {
         global $wpdb;
 
-        if ( empty( $txn_id ) ) {
+        if (empty($txn_id)) {
             return false;
         }
 
-        $txn_id = esc_sql( $txn_id );
+        $txn_id = esc_sql($txn_id);
 
-        $purchase = $wpdb->get_var( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_transaction_id' AND meta_value = '{$txn_id}' LIMIT 1" );
+        $purchase = $wpdb->get_var("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wpinv_transaction_id' AND meta_value = '{$txn_id}' LIMIT 1");
 
-        if ( $purchase != null ) {
+        if ($purchase != null) {
             return true;
         }
 

includes/class-wpinv-shortcodes.php

Spacing +30 added lines, -30 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
     exit; // Exit if accessed directly
 }
 
@@ -16,11 +16,11 @@ 
             'wpinv_subscriptions'  => __CLASS__ . '::subscriptions',
         );
 
-        foreach ( $shortcodes as $shortcode => $function ) {
-            add_shortcode( apply_filters( "{$shortcode}_shortcode_tag", $shortcode ), $function );
+        foreach ($shortcodes as $shortcode => $function) {
+            add_shortcode(apply_filters("{$shortcode}_shortcode_tag", $shortcode), $function);
         }
         
-        add_shortcode( 'wpinv_messages', __CLASS__ . '::messages' );
+        add_shortcode('wpinv_messages', __CLASS__ . '::messages');
     }
 
     public static function shortcode_wrapper(
@@ -34,25 +34,25 @@ 
     ) {
         ob_start();
 
-        echo empty( $wrapper['before'] ) ? '<div class="' . esc_attr( $wrapper['class'] ) . '">' : $wrapper['before'];
-        call_user_func( $function, $atts );
-        echo empty( $wrapper['after'] ) ? '</div>' : $wrapper['after'];
+        echo empty($wrapper['before']) ? '<div class="' . esc_attr($wrapper['class']) . '">' : $wrapper['before'];
+        call_user_func($function, $atts);
+        echo empty($wrapper['after']) ? '</div>' : $wrapper['after'];
 
         return ob_get_clean();
     }
 
-    public static function checkout( $atts = array(), $content = null ) {
-        return wpinv_checkout_form( $atts, $content );
+    public static function checkout($atts = array(), $content = null) {
+        return wpinv_checkout_form($atts, $content);
     }
 
-    public static function messages( $atts, $content = null ) {
+    public static function messages($atts, $content = null) {
         ob_start();
         wpinv_print_errors();
         return '<div class="wpinv">' . ob_get_clean() . '</div>';
     }
     
-    public static function history( $atts, $content = null ) {
-        return self::shortcode_wrapper( array( __CLASS__, 'history_output' ), $atts );
+    public static function history($atts, $content = null) {
+        return self::shortcode_wrapper(array(__CLASS__, 'history_output'), $atts);
     }
 
     /**
@@ -60,28 +60,28 @@ 
      *
      * @param array $atts
      */
-    public static function history_output( $atts ) {
-        do_action( 'wpinv_before_user_invoice_history' );
-        wpinv_get_template_part( 'wpinv-invoice-history', $atts );
-        do_action( 'wpinv_after_user_invoice_history' );
+    public static function history_output($atts) {
+        do_action('wpinv_before_user_invoice_history');
+        wpinv_get_template_part('wpinv-invoice-history', $atts);
+        do_action('wpinv_after_user_invoice_history');
     }
     
-    public static function receipt( $atts, $content = null ) {
-        return wpinv_payment_receipt( $atts, $content );
+    public static function receipt($atts, $content = null) {
+        return wpinv_payment_receipt($atts, $content);
     }
 
-    public static function buy( $atts, $content = null ) {
-        $a = shortcode_atts( array(
+    public static function buy($atts, $content = null) {
+        $a = shortcode_atts(array(
             'items' => '', // should be used like: item_id|quantity,item_id|quantity,item_id|quantity
-            'title' => __('Buy Now', 'invoicing' ), // the button title
+            'title' => __('Buy Now', 'invoicing'), // the button title
             'post_id' => '', // any related post_id
-        ), $atts );
+        ), $atts);
         
         $post_id = isset($a['post_id']) ? (int)$a['post_id'] : '';
 
         $html = '<div class="wpi-buy-button-wrapper">';
-        $html .= '<input type="submit" name="submit" class="button button-primary wpi-buy-button" value="'.$a['title'].'" onclick="wpi_buy(\''.$a['items'].'\','.$post_id.');" />';
-        $html .= wp_nonce_field( 'wpinv_buy_items', 'wpinv_buy_nonce', true, false );
+        $html .= '<input type="submit" name="submit" class="button button-primary wpi-buy-button" value="' . $a['title'] . '" onclick="wpi_buy(\'' . $a['items'] . '\',' . $post_id . ');" />';
+        $html .= wp_nonce_field('wpinv_buy_items', 'wpinv_buy_nonce', true, false);
         $html .= '</div>';
 
 
@@ -89,8 +89,8 @@ 
 
     }
 
-    public static function subscriptions( $atts, $content = null ) {
-        return self::shortcode_wrapper( array( __CLASS__, 'subscriptions_output' ), $atts );
+    public static function subscriptions($atts, $content = null) {
+        return self::shortcode_wrapper(array(__CLASS__, 'subscriptions_output'), $atts);
     }
 
     /**
@@ -98,9 +98,9 @@ 
      *
      * @param array $atts
      */
-    public static function subscriptions_output( $atts ) {
-        do_action( 'wpinv_before_user_subscriptions' );
-        wpinv_get_template_part( 'wpinv-subscriptions-history', $atts );
-        do_action( 'wpinv_after_user_subscriptions' );
+    public static function subscriptions_output($atts) {
+        do_action('wpinv_before_user_subscriptions');
+        wpinv_get_template_part('wpinv-subscriptions-history', $atts);
+        do_action('wpinv_after_user_subscriptions');
     }
 }

uninstall.php

Spacing +19 added lines, -19 removed lines

@@ -9,58 +9,58 @@
  */
 
 // If uninstall not called from WordPress, then exit.
-if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
+if (!defined('WP_UNINSTALL_PLUGIN')) {
     exit;
 }
 
 global $wpdb, $wp_version;
 
-$remove_data = get_option( 'wpinv_remove_data_on_invoice_unistall' );
+$remove_data = get_option('wpinv_remove_data_on_invoice_unistall');
 
 /*
  * Only remove ALL product and page data if WPINV_REMOVE_ALL_DATA constant is set to true in user's
  * wp-config.php. This is to prevent data loss when deleting the plugin from the backend
  * and to ensure only the site owner can perform this action.
  */
-if ( defined( 'WPINV_REMOVE_ALL_DATA' ) ) {
+if (defined('WPINV_REMOVE_ALL_DATA')) {
     $remove_data = true === WPINV_REMOVE_ALL_DATA ? true : false;
 }
 
-if ( $remove_data ) {
+if ($remove_data) {
     // Load Invoicing file.
-    include_once( 'invoicing.php' );
+    include_once('invoicing.php');
 
     // Roles + caps.
-    include_once( dirname( __FILE__ ) . '/includes/admin/install.php' );
+    include_once(dirname(__FILE__) . '/includes/admin/install.php');
     wpinv_remove_admin_caps();
     
-    $settings = get_option( 'wpinv_settings' );
+    $settings = get_option('wpinv_settings');
     
     // Delete pages.
-    $wpi_pages = array( 'checkout_page', 'success_page', 'failure_page', 'invoice_history_page', 'quote_history_page', 'invoice_subscription_page' );
-    foreach ( $wpi_pages as $page ) {
-        if ( !empty( $page ) && !empty( $settings[ $page ] ) ) {
-            wp_delete_post( $settings[ $page ], true );
+    $wpi_pages = array('checkout_page', 'success_page', 'failure_page', 'invoice_history_page', 'quote_history_page', 'invoice_subscription_page');
+    foreach ($wpi_pages as $page) {
+        if (!empty($page) && !empty($settings[$page])) {
+            wp_delete_post($settings[$page], true);
         }
     }
     
     // Delete posts + data.
-    $wpdb->query( "DELETE FROM {$wpdb->posts} WHERE post_type IN ( 'wpi_invoice', 'wpi_item', 'wpi_discount', 'wpi_quote' );" );
-    $wpdb->query( "DELETE meta FROM {$wpdb->postmeta} meta LEFT JOIN {$wpdb->posts} posts ON posts.ID = meta.post_id WHERE posts.ID IS NULL;" );
+    $wpdb->query("DELETE FROM {$wpdb->posts} WHERE post_type IN ( 'wpi_invoice', 'wpi_item', 'wpi_discount', 'wpi_quote' );");
+    $wpdb->query("DELETE meta FROM {$wpdb->postmeta} meta LEFT JOIN {$wpdb->posts} posts ON posts.ID = meta.post_id WHERE posts.ID IS NULL;");
     
     // Delete comments.
-    $wpdb->query( "DELETE FROM {$wpdb->comments} WHERE comment_type LIKE 'wpinv_note';" );
-    $wpdb->query( "DELETE meta FROM {$wpdb->commentmeta} meta LEFT JOIN {$wpdb->comments} comments ON comments.comment_ID = meta.comment_id WHERE comments.comment_ID IS NULL;" );
+    $wpdb->query("DELETE FROM {$wpdb->comments} WHERE comment_type LIKE 'wpinv_note';");
+    $wpdb->query("DELETE meta FROM {$wpdb->commentmeta} meta LEFT JOIN {$wpdb->comments} comments ON comments.comment_ID = meta.comment_id WHERE comments.comment_ID IS NULL;");
     
     // Delete user meta.
-    $wpdb->query( "DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_wpinv_%' OR meta_key LIKE '%_wpi_invoice%' OR meta_key LIKE '%_wpi_item%' OR meta_key LIKE '%_wpi_discount%' OR meta_key LIKE '_wpi_stripe%' OR meta_key LIKE '%_wpi_quote%';" );
+    $wpdb->query("DELETE FROM {$wpdb->usermeta} WHERE meta_key LIKE '%_wpinv_%' OR meta_key LIKE '%_wpi_invoice%' OR meta_key LIKE '%_wpi_item%' OR meta_key LIKE '%_wpi_discount%' OR meta_key LIKE '_wpi_stripe%' OR meta_key LIKE '%_wpi_quote%';");
     
     // Cleanup Cron Schedule
-    wp_clear_scheduled_hook( 'wp_session_garbage_collection' );
-    wp_clear_scheduled_hook( 'wpinv_register_schedule_event_twicedaily' );
+    wp_clear_scheduled_hook('wp_session_garbage_collection');
+    wp_clear_scheduled_hook('wpinv_register_schedule_event_twicedaily');
     
     // Delete options.
-    $wpdb->query( "DELETE FROM {$wpdb->options} WHERE option_name LIKE 'wpinv_%' OR option_name LIKE '_wpinv_%' OR option_name LIKE '\_transient\_wpinv\_%';" );
+    $wpdb->query("DELETE FROM {$wpdb->options} WHERE option_name LIKE 'wpinv_%' OR option_name LIKE '_wpinv_%' OR option_name LIKE '\_transient\_wpinv\_%';");
     
     // Clear any cached data that has been removed
     wp_cache_flush();