AyeCode / invoicing

includes/wpinv-helper-functions.php

Indentation +16 added lines, -16 removed lines

@@ -708,13 +708,13 @@ 
  * @param mixed  $value Value.
  */
 function getpaid_maybe_define_constant( $name, $value ) {
-	if ( ! defined( $name ) ) {
-		define( $name, $value );
-	}
+    if ( ! defined( $name ) ) {
+        define( $name, $value );
+    }
 }
 
 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 ) {
@@ -1058,11 +1058,11 @@ 
  * @return array Sanitized array of values.
  */
 function wpinv_parse_list( $list ) {
-	if ( ! is_array( $list ) ) {
-		return preg_split( '/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY );
-	}
+    if ( ! is_array( $list ) ) {
+        return preg_split( '/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY );
+    }
 
-	return $list;
+    return $list;
 }
 
 /**
@@ -1082,9 +1082,9 @@ 
     }
 
     $data = apply_filters( "wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php" );
-	wp_cache_set( "wpinv-$key", $data, 'wpinv' );
+    wp_cache_set( "wpinv-$key", $data, 'wpinv' );
 
-	return $data;
+    return $data;
 }
 
 /**
@@ -1113,17 +1113,17 @@ 
  */
 function wpinv_clean( $var ) {
 
-	if ( is_array( $var ) ) {
-		return array_map( 'wpinv_clean', $var );
+    if ( is_array( $var ) ) {
+        return array_map( 'wpinv_clean', $var );
     }
 
     if ( is_object( $var ) ) {
-		$object_vars = get_object_vars( $var );
-		foreach ( $object_vars as $property_name => $property_value ) {
-			$var->$property_name = wpinv_clean( $property_value );
+        $object_vars = get_object_vars( $var );
+        foreach ( $object_vars as $property_name => $property_value ) {
+            $var->$property_name = wpinv_clean( $property_value );
         }
         return $var;
-	}
+    }
     
     return is_string( $var ) ? sanitize_text_field( $var ) : $var;
 }
\ No newline at end of file

Spacing +414 added lines, -414 removed lines

@@ -7,132 +7,132 @@ 
  */
 
 // 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( $draft = false, $trashed = false, $invoice = false ) {
+function wpinv_get_invoice_statuses($draft = false, $trashed = false, $invoice = false) {
     global $post;
 
     $invoice_statuses = array(
-        'wpi-pending' => __( 'Pending Payment', 'invoicing' ),
-        'publish' => __( 'Paid', 'invoicing'),
-        'wpi-processing' => __( 'Processing', 'invoicing' ),
-        'wpi-onhold' => __( 'On Hold', 'invoicing' ),
-        'wpi-refunded' => __( 'Refunded', 'invoicing' ),
-        'wpi-cancelled' => __( 'Cancelled', 'invoicing' ),
-        'wpi-failed' => __( 'Failed', 'invoicing' ),
-        'wpi-renewal' => __( 'Renewal Payment', 'invoicing' )
+        'wpi-pending' => __('Pending Payment', 'invoicing'),
+        'publish' => __('Paid', 'invoicing'),
+        'wpi-processing' => __('Processing', 'invoicing'),
+        'wpi-onhold' => __('On Hold', 'invoicing'),
+        'wpi-refunded' => __('Refunded', 'invoicing'),
+        'wpi-cancelled' => __('Cancelled', 'invoicing'),
+        'wpi-failed' => __('Failed', 'invoicing'),
+        'wpi-renewal' => __('Renewal Payment', 'invoicing')
     );
 
-    if ( $draft ) {
-        $invoice_statuses['draft'] = __( 'Draft', 'invoicing' );
+    if ($draft) {
+        $invoice_statuses['draft'] = __('Draft', 'invoicing');
     }
 
-    if ( $trashed ) {
-        $invoice_statuses['trash'] = __( 'Trash', 'invoicing' );
+    if ($trashed) {
+        $invoice_statuses['trash'] = __('Trash', 'invoicing');
     }
 
-    return apply_filters( 'wpinv_statuses', $invoice_statuses, $invoice );
+    return apply_filters('wpinv_statuses', $invoice_statuses, $invoice);
 }
 
-function wpinv_status_nicename( $status ) {
-    $statuses = wpinv_get_invoice_statuses( true, true );
-    $status   = isset( $statuses[$status] ) ? $statuses[$status] : __( $status, 'invoicing' );
+function wpinv_status_nicename($status) {
+    $statuses = wpinv_get_invoice_statuses(true, true);
+    $status   = isset($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',
@@ -295,209 +295,209 @@ 
         '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' ),
-        'AED' => __( 'United Arab Emirates', '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' ),
-        'BYN' => __( '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'),
+        'AED' => __('United Arab Emirates', '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'),
+        'BYN' => __('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();
     }
 
@@ -505,14 +505,14 @@ 
 
     $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" :
@@ -524,15 +524,15 @@ 
             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" :
@@ -543,83 +543,83 @@ 
             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;
@@ -635,33 +635,33 @@ 
             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);
         }
 
-        error_log( wp_debug_backtrace_summary() );
-        if ( $exit ) {
+        error_log(wp_debug_backtrace_summary());
+        if ($exit) {
             exit;
         }
     }
@@ -669,32 +669,32 @@ 
 
 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;
@@ -707,46 +707,46 @@ 
  * @param string $name  Constant name.
  * @param mixed  $value Value.
  */
-function getpaid_maybe_define_constant( $name, $value ) {
-	if ( ! defined( $name ) ) {
-		define( $name, $value );
+function getpaid_maybe_define_constant($name, $value) {
+	if (!defined($name)) {
+		define($name, $value);
 	}
 }
 
 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 );
-    if ( empty( $color ) ) {
+    $color = preg_replace('~^(.)(.)(.)$~', '$1$1$2$2$3$3', $color);
+    if (empty($color)) {
         return NULL;
     }
 
-    $color = str_split( $color );
+    $color = str_split($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;
@@ -755,18 +755,18 @@ 
     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;
@@ -775,22 +775,22 @@ 
     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];
     }
 
@@ -810,12 +810,12 @@ 
  * @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;
 }
 
 /**
@@ -827,28 +827,28 @@ 
  * @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);
 }
 
 /**
@@ -862,12 +862,12 @@ 
  * @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);
 }
 
 /**
@@ -881,12 +881,12 @@ 
  * @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);
 }
 
 /**
@@ -901,16 +901,16 @@ 
  * @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);
 }
 
 /**
@@ -922,48 +922,48 @@ 
  * @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;
         }
     }
@@ -971,14 +971,14 @@ 
     return $period;
 }
 
-function wpinv_cal_days_in_month( $calendar, $month, $year ) {
-    if ( function_exists( 'cal_days_in_month' ) ) {
-        return cal_days_in_month( $calendar, $month, $year );
+function wpinv_cal_days_in_month($calendar, $month, $year) {
+    if (function_exists('cal_days_in_month')) {
+        return cal_days_in_month($calendar, $month, $year);
     }
 
     // Fallback in case the calendar extension is not loaded in PHP
     // Only supports Gregorian calendar
-    return date( 't', mktime( 0, 0, 0, $month, 1, $year ) );
+    return date('t', mktime(0, 0, 0, $month, 1, $year));
 }
 
 /**
@@ -989,11 +989,11 @@ 
  *
  * @return string
  */
-function wpi_help_tip( $tip, $allow_html = false ) {
-    if ( $allow_html ) {
-        $tip = wpi_sanitize_tooltip( $tip );
+function wpi_help_tip($tip, $allow_html = false) {
+    if ($allow_html) {
+        $tip = wpi_sanitize_tooltip($tip);
     } else {
-        $tip = esc_attr( $tip );
+        $tip = esc_attr($tip);
     }
 
     return '<span class="wpi-help-tip dashicons dashicons-editor-help" title="' . $tip . '"></span>';
@@ -1007,8 +1007,8 @@ 
  * @param string $var
  * @return string
  */
-function wpi_sanitize_tooltip( $var ) {
-    return htmlspecialchars( wp_kses( html_entity_decode( $var ), array(
+function wpi_sanitize_tooltip($var) {
+    return htmlspecialchars(wp_kses(html_entity_decode($var), array(
         'br'     => array(),
         'em'     => array(),
         'strong' => array(),
@@ -1018,7 +1018,7 @@ 
         'li'     => array(),
         'ol'     => array(),
         'p'      => array(),
-    ) ) );
+    )));
 }
 
 /**
@@ -1028,7 +1028,7 @@ 
  */
 function wpinv_get_screen_ids() {
 
-    $screen_id = sanitize_title( __( 'Invoicing', 'invoicing' ) );
+    $screen_id = sanitize_title(__('Invoicing', 'invoicing'));
 
     $screen_ids = array(
         'toplevel_page_' . $screen_id,
@@ -1046,7 +1046,7 @@ 
         'invoicing_page_wpi-addons',
     );
 
-    return apply_filters( 'wpinv_screen_ids', $screen_ids );
+    return apply_filters('wpinv_screen_ids', $screen_ids);
 }
 
 /**
@@ -1057,9 +1057,9 @@ 
  * @param array|string $list List of values.
  * @return array Sanitized array of values.
  */
-function wpinv_parse_list( $list ) {
-	if ( ! is_array( $list ) ) {
-		return preg_split( '/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY );
+function wpinv_parse_list($list) {
+	if (!is_array($list)) {
+		return preg_split('/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY);
 	}
 
 	return $list;
@@ -1073,16 +1073,16 @@ 
  * @param string $key Type of data to fetch.
  * @return mixed Fetched data.
  */
-function wpinv_get_data( $key ) {
+function wpinv_get_data($key) {
     
     // Try fetching it from the cache.
-    $data = wp_cache_get( "wpinv-$key", 'wpinv' );
-    if( $data ) {
+    $data = wp_cache_get("wpinv-$key", 'wpinv');
+    if ($data) {
         return $data;
     }
 
-    $data = apply_filters( "wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php" );
-	wp_cache_set( "wpinv-$key", $data, 'wpinv' );
+    $data = apply_filters("wpinv_get_$key", include WPINV_PLUGIN_DIR . "includes/data/$key.php");
+	wp_cache_set("wpinv-$key", $data, 'wpinv');
 
 	return $data;
 }
@@ -1096,10 +1096,10 @@ 
  * @param bool $first_empty Whether or not the first item in the list should be empty
  * @return mixed Fetched data.
  */
-function wpinv_maybe_add_empty_option( $options, $first_empty ) {
+function wpinv_maybe_add_empty_option($options, $first_empty) {
 
-    if ( ! empty( $options ) && $first_empty ) {
-        return array_merge( array( '' => '' ), $options );
+    if (!empty($options) && $first_empty) {
+        return array_merge(array('' => ''), $options);
     }
     return $options;
 
@@ -1111,19 +1111,19 @@ 
  * @param mixed $var Data to sanitize.
  * @return string|array
  */
-function wpinv_clean( $var ) {
+function wpinv_clean($var) {
 
-	if ( is_array( $var ) ) {
-		return array_map( 'wpinv_clean', $var );
+	if (is_array($var)) {
+		return array_map('wpinv_clean', $var);
     }
 
-    if ( is_object( $var ) ) {
-		$object_vars = get_object_vars( $var );
-		foreach ( $object_vars as $property_name => $property_value ) {
-			$var->$property_name = wpinv_clean( $property_value );
+    if (is_object($var)) {
+		$object_vars = get_object_vars($var);
+		foreach ($object_vars as $property_name => $property_value) {
+			$var->$property_name = wpinv_clean($property_value);
         }
         return $var;
 	}
     
-    return is_string( $var ) ? sanitize_text_field( $var ) : $var;
+    return is_string($var) ? sanitize_text_field($var) : $var;
 }
\ No newline at end of file

includes/wpinv-item-functions.php

Spacing +308 added lines, -308 removed lines

@@ -1,23 +1,23 @@ 
 <?php
 // Exit if accessed directly
-if ( ! defined( 'ABSPATH' ) ) exit;
+if (!defined('ABSPATH')) exit;
 
-function wpinv_get_item_by_id( $id ) {
-    return wpinv_get_item_by( 'id', $id );
+function wpinv_get_item_by_id($id) {
+    return wpinv_get_item_by('id', $id);
 }
 
-function wpinv_get_item_by( $field = '', $value = '', $type = '' ) {
-    if( empty( $field ) || empty( $value ) ) {
+function wpinv_get_item_by($field = '', $value = '', $type = '') {
+    if (empty($field) || empty($value)) {
         return false;
     }
     
     $posts = array();
 
-    switch( strtolower( $field ) ) {
+    switch (strtolower($field)) {
         case 'id':
-            $item = new WPInv_Item( $value );
+            $item = new WPInv_Item($value);
 
-            if ( !empty( $item ) && $item->post_type == 'wpi_item' ) {
+            if (!empty($item) && $item->post_type == 'wpi_item') {
                 return $item;
             }
             return false;
@@ -26,16 +26,16 @@ 
 
         case 'slug':
         case 'name':
-            $posts = get_posts( array(
+            $posts = get_posts(array(
                 'post_type'      => 'wpi_item',
                 'name'           => $value,
                 'posts_per_page' => 1,
                 'post_status'    => 'any'
-            ) );
+            ));
 
             break;
         case 'custom_id':
-            if ( empty( $value ) || empty( $type ) ) {
+            if (empty($value) || empty($type)) {
                 return false;
             }
             
@@ -55,10 +55,10 @@ 
                 'post_status'    => 'any',
                 'orderby'        => 'ID',
                 'order'          => 'ASC',
-                'meta_query'     => array( $meta_query )
+                'meta_query'     => array($meta_query)
             );
             
-            $posts = get_posts( $args );
+            $posts = get_posts($args);
 
             break;
 
@@ -66,10 +66,10 @@ 
             return false;
     }
     
-    if ( !empty( $posts[0] ) ) {
-        $item = new WPInv_Item( $posts[0]->ID );
+    if (!empty($posts[0])) {
+        $item = new WPInv_Item($posts[0]->ID);
 
-        if ( !empty( $item ) && $item->post_type == 'wpi_item' ) {
+        if (!empty($item) && $item->post_type == 'wpi_item') {
             return $item;
         }
     }
@@ -77,10 +77,10 @@ 
     return false;
 }
 
-function wpinv_get_item( $item = 0 ) {
-    if ( is_numeric( $item ) ) {
-        $item = get_post( $item );
-        if ( ! $item || 'wpi_item' !== $item->post_type )
+function wpinv_get_item($item = 0) {
+    if (is_numeric($item)) {
+        $item = get_post($item);
+        if (!$item || 'wpi_item' !== $item->post_type)
             return null;
         return $item;
     }
@@ -93,18 +93,18 @@ 
 
     $item = get_posts($args);
 
-    if ( $item ) {
+    if ($item) {
         return $item[0];
     }
 
     return null;
 }
 
-function wpinv_get_all_items( $args = array() ) {
+function wpinv_get_all_items($args = array()) {
 
-    $args = wp_parse_args( $args, array(
-        'status'         => array( 'publish' ),
-        'limit'          => get_option( 'posts_per_page' ),
+    $args = wp_parse_args($args, array(
+        'status'         => array('publish'),
+        'limit'          => get_option('posts_per_page'),
         'page'           => 1,
         'exclude'        => array(),
         'orderby'        => 'date',
@@ -113,7 +113,7 @@ 
         'meta_query'     => array(),
         'return'         => 'objects',
         'paginate'       => false,
-    ) );
+    ));
 
     $wp_query_args = array(
         'post_type'      => 'wpi_item',
@@ -123,26 +123,26 @@ 
         'fields'         => 'ids',
         'orderby'        => $args['orderby'],
         'order'          => $args['order'],
-        'paged'          => absint( $args['page'] ),
+        'paged'          => absint($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;
     }
 
-    if ( ! empty( $args['search'] ) ) {
+    if (!empty($args['search'])) {
         $wp_query_args['s'] = $args['search'];
     }
 
-    if ( ! empty( $args['type'] ) && $args['type'] !== wpinv_item_types() ) {
-        $types = wpinv_parse_list( $args['type'] );
+    if (!empty($args['type']) && $args['type'] !== wpinv_item_types()) {
+        $types = wpinv_parse_list($args['type']);
         $wp_query_args['meta_query'][] = array(
             'key'     => '_wpinv_type',
-            'value'   => implode( ',', $types ),
+            'value'   => implode(',', $types),
             'compare' => 'IN',
         );
     }
@@ -150,17 +150,17 @@ 
     $wp_query_args = apply_filters('wpinv_get_items_args', $wp_query_args, $args);
 
     // Get results.
-    $items = new WP_Query( $wp_query_args );
+    $items = new WP_Query($wp_query_args);
 
-    if ( 'objects' === $args['return'] ) {
-        $return = array_map( 'wpinv_get_item_by_id', $items->posts );
-    } elseif ( 'self' === $args['return'] ) {
+    if ('objects' === $args['return']) {
+        $return = array_map('wpinv_get_item_by_id', $items->posts);
+    } elseif ('self' === $args['return']) {
         return $items;
     } else {
         $return = $items->posts;
     }
 
-    if ( $args['paginate' ] ) {
+    if ($args['paginate']) {
         return (object) array(
             'items'      => $return,
             'total'         => $items->found_posts,
@@ -172,143 +172,143 @@ 
 
 }
 
-function wpinv_is_free_item( $item_id = 0 ) {
-    if( empty( $item_id ) ) {
+function wpinv_is_free_item($item_id = 0) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->is_free();
 }
 
-function wpinv_item_is_editable( $item = 0 ) {
-    if ( !empty( $item ) && is_a( $item, 'WP_Post' ) ) {
+function wpinv_item_is_editable($item = 0) {
+    if (!empty($item) && is_a($item, 'WP_Post')) {
         $item = $item->ID;
     }
         
-    if ( empty( $item ) ) {
+    if (empty($item)) {
         return true;
     }
 
-    $item = new WPInv_Item( $item );
+    $item = new WPInv_Item($item);
     
     return (bool) $item->is_editable();
 }
 
-function wpinv_get_item_price( $item_id = 0 ) {
-    if( empty( $item_id ) ) {
+function wpinv_get_item_price($item_id = 0) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->get_price();
 }
 
-function wpinv_is_recurring_item( $item_id = 0 ) {
-    if( empty( $item_id ) ) {
+function wpinv_is_recurring_item($item_id = 0) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->is_recurring();
 }
 
-function wpinv_item_price( $item_id = 0 ) {
-    if( empty( $item_id ) ) {
+function wpinv_item_price($item_id = 0) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $price = wpinv_get_item_price( $item_id );
-    $price = wpinv_price( wpinv_format_amount( $price ) );
+    $price = wpinv_get_item_price($item_id);
+    $price = wpinv_price(wpinv_format_amount($price));
     
-    return apply_filters( 'wpinv_item_price', $price, $item_id );
+    return apply_filters('wpinv_item_price', $price, $item_id);
 }
 
-function wpinv_item_show_price( $item_id = 0, $echo = true ) {
-    if ( empty( $item_id ) ) {
+function wpinv_item_show_price($item_id = 0, $echo = true) {
+    if (empty($item_id)) {
         $item_id = get_the_ID();
     }
 
-    $price = wpinv_item_price( $item_id );
+    $price = wpinv_item_price($item_id);
 
-    $price           = apply_filters( 'wpinv_item_price', wpinv_sanitize_amount( $price ), $item_id );
+    $price           = apply_filters('wpinv_item_price', wpinv_sanitize_amount($price), $item_id);
     $formatted_price = '<span class="wpinv_price" id="wpinv_item_' . $item_id . '">' . $price . '</span>';
-    $formatted_price = apply_filters( 'wpinv_item_price_after_html', $formatted_price, $item_id, $price );
+    $formatted_price = apply_filters('wpinv_item_price_after_html', $formatted_price, $item_id, $price);
 
-    if ( $echo ) {
+    if ($echo) {
         echo $formatted_price;
     } else {
         return $formatted_price;
     }
 }
 
-function wpinv_get_item_final_price( $item_id = 0, $amount_override = null ) {
-    if ( is_null( $amount_override ) ) {
-        $original_price = get_post_meta( $item_id, '_wpinv_price', true );
+function wpinv_get_item_final_price($item_id = 0, $amount_override = null) {
+    if (is_null($amount_override)) {
+        $original_price = get_post_meta($item_id, '_wpinv_price', true);
     } else {
         $original_price = $amount_override;
     }
     
     $price = $original_price;
 
-    return apply_filters( 'wpinv_get_item_final_price', $price, $item_id );
+    return apply_filters('wpinv_get_item_final_price', $price, $item_id);
 }
 
-function wpinv_item_custom_singular_name( $item_id ) {
-    if( empty( $item_id ) ) {
+function wpinv_item_custom_singular_name($item_id) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->get_custom_singular_name();
 }
 
 function wpinv_get_item_types() {
     $item_types = array(
-            'custom'    => __( 'Standard', 'invoicing' ),
-            'fee'       => __( 'Fee', 'invoicing' ),
+            'custom'    => __('Standard', 'invoicing'),
+            'fee'       => __('Fee', 'invoicing'),
         );
-    return apply_filters( 'wpinv_get_item_types', $item_types );
+    return apply_filters('wpinv_get_item_types', $item_types);
 }
 
 function wpinv_item_types() {
     $item_types = wpinv_get_item_types();
     
-    return ( !empty( $item_types ) ? array_keys( $item_types ) : array() );
+    return (!empty($item_types) ? array_keys($item_types) : array());
 }
 
-function wpinv_get_item_type( $item_id ) {
-    if( empty( $item_id ) ) {
+function wpinv_get_item_type($item_id) {
+    if (empty($item_id)) {
         return false;
     }
 
-    $item = new WPInv_Item( $item_id );
+    $item = new WPInv_Item($item_id);
     
     return $item->get_type();
 }
 
-function wpinv_item_type( $item_id ) {
+function wpinv_item_type($item_id) {
     $item_types = wpinv_get_item_types();
     
-    $item_type = wpinv_get_item_type( $item_id );
+    $item_type = wpinv_get_item_type($item_id);
     
-    if ( empty( $item_type ) ) {
+    if (empty($item_type)) {
         $item_type = '-';
     }
     
-    $item_type = isset( $item_types[$item_type] ) ? $item_types[$item_type] : __( $item_type, 'invoicing' );
+    $item_type = isset($item_types[$item_type]) ? $item_types[$item_type] : __($item_type, 'invoicing');
 
-    return apply_filters( 'wpinv_item_type', $item_type, $item_id );
+    return apply_filters('wpinv_item_type', $item_type, $item_id);
 }
 
-function wpinv_record_item_in_log( $item_id = 0, $file_id, $user_info, $ip, $invoice_id ) {
+function wpinv_record_item_in_log($item_id = 0, $file_id, $user_info, $ip, $invoice_id) {
     global $wpinv_logs;
     
-    if ( empty( $wpinv_logs ) ) {
+    if (empty($wpinv_logs)) {
         return false;
     }
 
@@ -317,278 +317,278 @@ 
         'log_type'		=> 'wpi_item'
     );
 
-    $user_id = isset( $user_info['user_id'] ) ? $user_info['user_id'] : (int) -1;
+    $user_id = isset($user_info['user_id']) ? $user_info['user_id'] : (int) -1;
 
     $log_meta = array(
         'user_info'	=> $user_info,
         'user_id'	=> $user_id,
-        'file_id'	=> (int)$file_id,
+        'file_id'	=> (int) $file_id,
         'ip'		=> $ip,
         'invoice_id'=> $invoice_id,
     );
 
-    $wpinv_logs->insert_log( $log_data, $log_meta );
+    $wpinv_logs->insert_log($log_data, $log_meta);
 }
 
-function wpinv_remove_item_logs_on_delete( $item_id = 0 ) {
-    if ( 'wpi_item' !== get_post_type( $item_id ) )
+function wpinv_remove_item_logs_on_delete($item_id = 0) {
+    if ('wpi_item' !== get_post_type($item_id))
         return;
 
     global $wpinv_logs;
     
-    if ( empty( $wpinv_logs ) ) {
+    if (empty($wpinv_logs)) {
         return false;
     }
 
     // Remove all log entries related to this item
-    $wpinv_logs->delete_logs( $item_id );
+    $wpinv_logs->delete_logs($item_id);
 }
-add_action( 'delete_post', 'wpinv_remove_item_logs_on_delete' );
+add_action('delete_post', 'wpinv_remove_item_logs_on_delete');
 
-function wpinv_get_random_item( $post_ids = true ) {
-    wpinv_get_random_items( 1, $post_ids );
+function wpinv_get_random_item($post_ids = true) {
+    wpinv_get_random_items(1, $post_ids);
 }
 
-function wpinv_get_random_items( $num = 3, $post_ids = true ) {
-    if ( $post_ids ) {
-        $args = array( 'post_type' => 'wpi_item', 'orderby' => 'rand', 'post_count' => $num, 'fields' => 'ids' );
+function wpinv_get_random_items($num = 3, $post_ids = true) {
+    if ($post_ids) {
+        $args = array('post_type' => 'wpi_item', 'orderby' => 'rand', 'post_count' => $num, 'fields' => 'ids');
     } else {
-        $args = array( 'post_type' => 'wpi_item', 'orderby' => 'rand', 'post_count' => $num );
+        $args = array('post_type' => 'wpi_item', 'orderby' => 'rand', 'post_count' => $num);
     }
     
-    $args  = apply_filters( 'wpinv_get_random_items', $args );
+    $args = apply_filters('wpinv_get_random_items', $args);
     
-    return get_posts( $args );
+    return get_posts($args);
 }
 
-function wpinv_get_item_token( $url = '' ) {
+function wpinv_get_item_token($url = '') {
     $args    = array();
-    $hash    = apply_filters( 'wpinv_get_url_token_algorithm', 'sha256' );
-    $secret  = apply_filters( 'wpinv_get_url_token_secret', hash( $hash, wp_salt() ) );
+    $hash    = apply_filters('wpinv_get_url_token_algorithm', 'sha256');
+    $secret  = apply_filters('wpinv_get_url_token_secret', hash($hash, wp_salt()));
 
-    $parts   = parse_url( $url );
+    $parts   = parse_url($url);
     $options = array();
 
-    if ( isset( $parts['query'] ) ) {
-        wp_parse_str( $parts['query'], $query_args );
+    if (isset($parts['query'])) {
+        wp_parse_str($parts['query'], $query_args);
 
-        if ( ! empty( $query_args['o'] ) ) {
-            $options = explode( ':', rawurldecode( $query_args['o'] ) );
+        if (!empty($query_args['o'])) {
+            $options = explode(':', rawurldecode($query_args['o']));
 
-            if ( in_array( 'ip', $options ) ) {
+            if (in_array('ip', $options)) {
                 $args['ip'] = wpinv_get_ip();
             }
 
-            if ( in_array( 'ua', $options ) ) {
+            if (in_array('ua', $options)) {
                 $ua = wpinv_get_user_agent();
-                $args['user_agent'] = rawurlencode( $ua );
+                $args['user_agent'] = rawurlencode($ua);
             }
         }
     }
 
-    $args = apply_filters( 'wpinv_get_url_token_args', $args, $url, $options );
+    $args = apply_filters('wpinv_get_url_token_args', $args, $url, $options);
 
     $args['secret'] = $secret;
     $args['token']  = false;
 
-    $url   = add_query_arg( $args, $url );
-    $parts = parse_url( $url );
+    $url   = add_query_arg($args, $url);
+    $parts = parse_url($url);
 
-    if ( ! isset( $parts['path'] ) ) {
+    if (!isset($parts['path'])) {
         $parts['path'] = '';
     }
 
-    $token = md5( $parts['path'] . '?' . $parts['query'] );
+    $token = md5($parts['path'] . '?' . $parts['query']);
 
     return $token;
 }
 
-function wpinv_validate_url_token( $url = '' ) {
+function wpinv_validate_url_token($url = '') {
     $ret   = false;
-    $parts = parse_url( $url );
+    $parts = parse_url($url);
 
-    if ( isset( $parts['query'] ) ) {
-        wp_parse_str( $parts['query'], $query_args );
+    if (isset($parts['query'])) {
+        wp_parse_str($parts['query'], $query_args);
 
-        $allowed = apply_filters( 'wpinv_url_token_allowed_params', array(
+        $allowed = apply_filters('wpinv_url_token_allowed_params', array(
             'item',
             'ttl',
             'token'
-        ) );
+        ));
 
         $remove = array();
 
-        foreach( $query_args as $key => $value ) {
-            if( false === in_array( $key, $allowed ) ) {
+        foreach ($query_args as $key => $value) {
+            if (false === in_array($key, $allowed)) {
                 $remove[] = $key;
             }
         }
 
-        if( ! empty( $remove ) ) {
-            $url = remove_query_arg( $remove, $url );
+        if (!empty($remove)) {
+            $url = remove_query_arg($remove, $url);
         }
 
-        if ( isset( $query_args['ttl'] ) && current_time( 'timestamp' ) > $query_args['ttl'] ) {
-            wp_die( apply_filters( 'wpinv_item_link_expired_text', __( 'Sorry but your item link has expired.', 'invoicing' ) ), __( 'Error', 'invoicing' ), array( 'response' => 403 ) );
+        if (isset($query_args['ttl']) && current_time('timestamp') > $query_args['ttl']) {
+            wp_die(apply_filters('wpinv_item_link_expired_text', __('Sorry but your item link has expired.', 'invoicing')), __('Error', 'invoicing'), array('response' => 403));
         }
 
-        if ( isset( $query_args['token'] ) && $query_args['token'] == wpinv_get_item_token( $url ) ) {
+        if (isset($query_args['token']) && $query_args['token'] == wpinv_get_item_token($url)) {
             $ret = true;
         }
 
     }
 
-    return apply_filters( 'wpinv_validate_url_token', $ret, $url, $query_args );
+    return apply_filters('wpinv_validate_url_token', $ret, $url, $query_args);
 }
 
-function wpinv_item_in_cart( $item_id = 0, $options = array() ) {
+function wpinv_item_in_cart($item_id = 0, $options = array()) {
     $cart_items = wpinv_get_cart_contents();
 
     $ret = false;
 
-    if ( is_array( $cart_items ) ) {
-        foreach ( $cart_items as $item ) {
-            if ( $item['id'] == $item_id ) {
+    if (is_array($cart_items)) {
+        foreach ($cart_items as $item) {
+            if ($item['id'] == $item_id) {
                 $ret = true;
                 break;
             }
         }
     }
 
-    return (bool) apply_filters( 'wpinv_item_in_cart', $ret, $item_id, $options );
+    return (bool) apply_filters('wpinv_item_in_cart', $ret, $item_id, $options);
 }
 
-function wpinv_get_cart_item_tax( $item_id = 0, $subtotal = '', $options = array() ) {
+function wpinv_get_cart_item_tax($item_id = 0, $subtotal = '', $options = array()) {
     $tax = 0;
-    if ( ! wpinv_item_is_tax_exclusive( $item_id ) ) {
-        $country = !empty( $_POST['country'] ) ? $_POST['country'] : false;
-        $state   = isset( $_POST['state'] ) ? $_POST['state'] : '';
+    if (!wpinv_item_is_tax_exclusive($item_id)) {
+        $country = !empty($_POST['country']) ? $_POST['country'] : false;
+        $state   = isset($_POST['state']) ? $_POST['state'] : '';
 
-        $tax = wpinv_calculate_tax( $subtotal, $country, $state, $item_id );
+        $tax = wpinv_calculate_tax($subtotal, $country, $state, $item_id);
     }
 
-    return apply_filters( 'wpinv_get_cart_item_tax', $tax, $item_id, $subtotal, $options );
+    return apply_filters('wpinv_get_cart_item_tax', $tax, $item_id, $subtotal, $options);
 }
 
-function wpinv_cart_item_price( $item, $currency = '' ) {
+function wpinv_cart_item_price($item, $currency = '') {
 
-    if( empty( $currency ) ) {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
 
-    $item_id    = isset( $item['id'] ) ? $item['id'] : 0;
-    $price      = isset( $item['item_price'] ) ? wpinv_round_amount( $item['item_price'] ) : 0;
-    $tax        = wpinv_price( wpinv_format_amount( $item['tax'] ) );
+    $item_id    = isset($item['id']) ? $item['id'] : 0;
+    $price      = isset($item['item_price']) ? wpinv_round_amount($item['item_price']) : 0;
+    $tax        = wpinv_price(wpinv_format_amount($item['tax']));
     
-    if ( !wpinv_is_free_item( $item_id ) && !wpinv_item_is_tax_exclusive( $item_id ) ) {
-        if ( wpinv_prices_show_tax_on_checkout() && !wpinv_prices_include_tax() ) {
+    if (!wpinv_is_free_item($item_id) && !wpinv_item_is_tax_exclusive($item_id)) {
+        if (wpinv_prices_show_tax_on_checkout() && !wpinv_prices_include_tax()) {
             $price += $tax;
         }
         
-        if( !wpinv_prices_show_tax_on_checkout() && wpinv_prices_include_tax() ) {
+        if (!wpinv_prices_show_tax_on_checkout() && wpinv_prices_include_tax()) {
             $price -= $tax;
         }        
     }
 
-    $price = wpinv_price( wpinv_format_amount( $price ), $currency );
+    $price = wpinv_price(wpinv_format_amount($price), $currency);
 
-    return apply_filters( 'wpinv_cart_item_price_label', $price, $item );
+    return apply_filters('wpinv_cart_item_price_label', $price, $item);
 }
 
-function wpinv_cart_item_subtotal( $item, $currency = '' ) {
+function wpinv_cart_item_subtotal($item, $currency = '') {
 
-    if( empty( $currency ) ) {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
 
-    $subtotal   = isset( $item['subtotal'] ) ? $item['subtotal'] : 0;
-    $subtotal   = wpinv_price( wpinv_format_amount( $subtotal ), $currency );
+    $subtotal   = isset($item['subtotal']) ? $item['subtotal'] : 0;
+    $subtotal   = wpinv_price(wpinv_format_amount($subtotal), $currency);
 
-    return apply_filters( 'wpinv_cart_item_subtotal_label', $subtotal, $item );
+    return apply_filters('wpinv_cart_item_subtotal_label', $subtotal, $item);
 }
 
-function wpinv_cart_item_tax( $item, $currency = '' ) {
+function wpinv_cart_item_tax($item, $currency = '') {
     $tax        = '';
     $tax_rate   = '';
 
-    if( empty( $currency ) ) {
+    if (empty($currency)) {
         $currency = wpinv_get_currency();
     }
     
-    if ( isset( $item['tax'] ) && $item['tax'] > 0 && $item['subtotal'] > 0 ) {
-        $tax      = wpinv_price( wpinv_format_amount( $item['tax'] ), $currency );
-        $tax_rate = !empty( $item['vat_rate'] ) ? $item['vat_rate'] : ( $item['tax'] / $item['subtotal'] ) * 100;
-        $tax_rate = $tax_rate > 0 ? (float)wpinv_round_amount( $tax_rate, 4 ) : '';
+    if (isset($item['tax']) && $item['tax'] > 0 && $item['subtotal'] > 0) {
+        $tax      = wpinv_price(wpinv_format_amount($item['tax']), $currency);
+        $tax_rate = !empty($item['vat_rate']) ? $item['vat_rate'] : ($item['tax'] / $item['subtotal']) * 100;
+        $tax_rate = $tax_rate > 0 ? (float) wpinv_round_amount($tax_rate, 4) : '';
         $tax_rate = $tax_rate != '' ? ' <small class="tax-rate normal small">(' . $tax_rate . '%)</small>' : '';
     }
     
-    $tax        = $tax . $tax_rate;
+    $tax = $tax . $tax_rate;
     
-    if ( $tax === '' ) {
+    if ($tax === '') {
         $tax = 0; // Zero tax
     }
 
-    return apply_filters( 'wpinv_cart_item_tax_label', $tax, $item );
+    return apply_filters('wpinv_cart_item_tax_label', $tax, $item);
 }
 
-function wpinv_get_cart_item_price( $item_id = 0, $cart_item = array(), $options = array(), $remove_tax_from_inclusive = false ) {
+function wpinv_get_cart_item_price($item_id = 0, $cart_item = array(), $options = array(), $remove_tax_from_inclusive = false) {
     $price = 0;
     
     // Set custom price
-    if ( isset( $cart_item['custom_price'] ) && $cart_item['custom_price'] !== '' ) {
+    if (isset($cart_item['custom_price']) && $cart_item['custom_price'] !== '') {
         $price = $cart_item['custom_price'];
     } else {
-        $variable_prices = wpinv_has_variable_prices( $item_id );
+        $variable_prices = wpinv_has_variable_prices($item_id);
 
-        if ( $variable_prices ) {
-            $prices = wpinv_get_variable_prices( $item_id );
+        if ($variable_prices) {
+            $prices = wpinv_get_variable_prices($item_id);
 
-            if ( $prices ) {
-                if( ! empty( $options ) ) {
-                    $price = isset( $prices[ $options['price_id'] ] ) ? $prices[ $options['price_id'] ]['amount'] : false;
+            if ($prices) {
+                if (!empty($options)) {
+                    $price = isset($prices[$options['price_id']]) ? $prices[$options['price_id']]['amount'] : false;
                 } else {
                     $price = false;
                 }
             }
         }
 
-        if( ! $variable_prices || false === $price ) {
-            if($cart_item['item_price'] > 0){
+        if (!$variable_prices || false === $price) {
+            if ($cart_item['item_price'] > 0) {
                 $price = $cart_item['item_price'];
             } else {
                 // Get the standard Item price if not using variable prices
-                $price = wpinv_get_item_price( $item_id );
+                $price = wpinv_get_item_price($item_id);
             }
         }
     }
 
-    if ( $remove_tax_from_inclusive && wpinv_prices_include_tax() ) {
-        $price -= wpinv_get_cart_item_tax( $item_id, $price, $options );
+    if ($remove_tax_from_inclusive && wpinv_prices_include_tax()) {
+        $price -= wpinv_get_cart_item_tax($item_id, $price, $options);
     }
 
-    return apply_filters( 'wpinv_cart_item_price', $price, $item_id, $cart_item, $options, $remove_tax_from_inclusive );
+    return apply_filters('wpinv_cart_item_price', $price, $item_id, $cart_item, $options, $remove_tax_from_inclusive);
 }
 
-function wpinv_get_cart_item_price_id( $item = array() ) {
-    if( isset( $item['item_number'] ) ) {
-        $price_id = isset( $item['item_number']['options']['price_id'] ) ? $item['item_number']['options']['price_id'] : null;
+function wpinv_get_cart_item_price_id($item = array()) {
+    if (isset($item['item_number'])) {
+        $price_id = isset($item['item_number']['options']['price_id']) ? $item['item_number']['options']['price_id'] : null;
     } else {
-        $price_id = isset( $item['options']['price_id'] ) ? $item['options']['price_id'] : null;
+        $price_id = isset($item['options']['price_id']) ? $item['options']['price_id'] : null;
     }
     return $price_id;
 }
 
-function wpinv_get_cart_item_price_name( $item = array() ) {
-    $price_id = (int)wpinv_get_cart_item_price_id( $item );
-    $prices   = wpinv_get_variable_prices( $item['id'] );
-    $name     = ! empty( $prices[ $price_id ] ) ? $prices[ $price_id ]['name'] : '';
-    return apply_filters( 'wpinv_get_cart_item_price_name', $name, $item['id'], $price_id, $item );
+function wpinv_get_cart_item_price_name($item = array()) {
+    $price_id = (int) wpinv_get_cart_item_price_id($item);
+    $prices   = wpinv_get_variable_prices($item['id']);
+    $name     = !empty($prices[$price_id]) ? $prices[$price_id]['name'] : '';
+    return apply_filters('wpinv_get_cart_item_price_name', $name, $item['id'], $price_id, $item);
 }
 
-function wpinv_get_cart_item_name( $item = array() ) {
-    $item_title = !empty( $item['name'] ) ? $item['name'] : get_the_title( $item['id'] );
+function wpinv_get_cart_item_name($item = array()) {
+    $item_title = !empty($item['name']) ? $item['name'] : get_the_title($item['id']);
 
-    if ( empty( $item_title ) ) {
+    if (empty($item_title)) {
         $item_title = $item['id'];
     }
 
@@ -598,23 +598,23 @@ 
     }
     */
 
-    return apply_filters( 'wpinv_get_cart_item_name', $item_title, $item['id'], $item );
+    return apply_filters('wpinv_get_cart_item_name', $item_title, $item['id'], $item);
 }
 
-function wpinv_has_variable_prices( $item_id = 0 ) {
+function wpinv_has_variable_prices($item_id = 0) {
     return false;
 }
 
-function wpinv_get_item_position_in_cart( $item_id = 0, $options = array() ) {
+function wpinv_get_item_position_in_cart($item_id = 0, $options = array()) {
     $cart_items = wpinv_get_cart_contents();
 
-    if ( !is_array( $cart_items ) ) {
+    if (!is_array($cart_items)) {
         return false; // Empty cart
     } else {
-        foreach ( $cart_items as $position => $item ) {
-            if ( $item['id'] == $item_id ) {
-                if ( isset( $options['price_id'] ) && isset( $item['options']['price_id'] ) ) {
-                    if ( (int) $options['price_id'] == (int) $item['options']['price_id'] ) {
+        foreach ($cart_items as $position => $item) {
+            if ($item['id'] == $item_id) {
+                if (isset($options['price_id']) && isset($item['options']['price_id'])) {
+                    if ((int) $options['price_id'] == (int) $item['options']['price_id']) {
                         return $position;
                     }
                 } else {
@@ -627,80 +627,80 @@ 
     return false; // Not found
 }
 
-function wpinv_get_cart_item_quantity( $item ) {
-    if ( wpinv_item_quantities_enabled() ) {
-        $quantity = !empty( $item['quantity'] ) && (int)$item['quantity'] > 0 ? absint( $item['quantity'] ) : 1;
+function wpinv_get_cart_item_quantity($item) {
+    if (wpinv_item_quantities_enabled()) {
+        $quantity = !empty($item['quantity']) && (int) $item['quantity'] > 0 ? absint($item['quantity']) : 1;
     } else {
         $quantity = 1;
     }
     
-    if ( $quantity < 1 ) {
+    if ($quantity < 1) {
         $quantity = 1;
     }
     
-    return apply_filters( 'wpinv_get_cart_item_quantity', $quantity, $item );
+    return apply_filters('wpinv_get_cart_item_quantity', $quantity, $item);
 }
 
-function wpinv_get_item_suffix( $item, $html = true ) {
-    if ( empty( $item ) ) {
+function wpinv_get_item_suffix($item, $html = true) {
+    if (empty($item)) {
         return NULL;
     }
     
-    if ( is_int( $item ) ) {
-        $item = new WPInv_Item( $item );
+    if (is_int($item)) {
+        $item = new WPInv_Item($item);
     }
     
-    if ( !( is_object( $item ) && is_a( $item, 'WPInv_Item' ) ) ) {
+    if (!(is_object($item) && is_a($item, 'WPInv_Item'))) {
         return NULL;
     }
     
-    $suffix = $item->is_recurring() ? ' <span class="wpi-suffix">' . __( '(r)', 'invoicing' ) . '</span>' : '';
+    $suffix = $item->is_recurring() ? ' <span class="wpi-suffix">' . __('(r)', 'invoicing') . '</span>' : '';
     
-    if ( !$html && $suffix ) {
-        $suffix = strip_tags( $suffix );
+    if (!$html && $suffix) {
+        $suffix = strip_tags($suffix);
     }
     
-    return apply_filters( 'wpinv_get_item_suffix', $suffix, $item, $html );
+    return apply_filters('wpinv_get_item_suffix', $suffix, $item, $html);
 }
 
-function wpinv_remove_item( $item = 0, $force_delete = false ) {
-    if ( empty( $item ) ) {
+function wpinv_remove_item($item = 0, $force_delete = false) {
+    if (empty($item)) {
         return NULL;
     }
     
-    if ( is_int( $item ) ) {
-        $item = new WPInv_Item( $item );
+    if (is_int($item)) {
+        $item = new WPInv_Item($item);
     }
     
-    if ( !( is_object( $item ) && is_a( $item, 'WPInv_Item' ) ) ) {
+    if (!(is_object($item) && is_a($item, 'WPInv_Item'))) {
         return NULL;
     }
     
-    do_action( 'wpinv_pre_delete_item', $item );
+    do_action('wpinv_pre_delete_item', $item);
 
-    wp_delete_post( $item->ID, $force_delete );
+    wp_delete_post($item->ID, $force_delete);
 
-    do_action( 'wpinv_post_delete_item', $item );
+    do_action('wpinv_post_delete_item', $item);
 }
 
-function wpinv_can_delete_item( $post_id ) {
+function wpinv_can_delete_item($post_id) {
     $return = wpinv_current_user_can_manage_invoicing() ? true : false;
     
-    if ( $return && wpinv_item_in_use( $post_id ) ) {
+    if ($return && wpinv_item_in_use($post_id)) {
         $return = false; // Don't delete item already use in invoices.
     }
     
-    return apply_filters( 'wpinv_can_delete_item', $return, $post_id );
+    return apply_filters('wpinv_can_delete_item', $return, $post_id);
 }
 
 function wpinv_admin_action_delete() {
     $screen = get_current_screen();
     
-    if ( !empty( $screen->post_type ) && $screen->post_type == 'wpi_item' && !empty( $_REQUEST['post'] ) && is_array( $_REQUEST['post'] ) ) {
+    if (!empty($screen->post_type) && $screen->post_type == 'wpi_item' && !empty($_REQUEST['post']) && is_array($_REQUEST['post'])) {
         $post_ids = array();
         
-        foreach ( $_REQUEST['post'] as $post_id ) {
-            if ( !wpinv_can_delete_item( $post_id ) ) {
+        foreach ($_REQUEST['post'] as $post_id) {
+            if (!wpinv_can_delete_item($post_id)) {
                 continue;
             }
             
@@ -710,88 +710,88 @@ 
         $_REQUEST['post'] = $post_ids;
     }
 }
-add_action( 'admin_action_trash', 'wpinv_admin_action_delete', -10 );
-add_action( 'admin_action_delete', 'wpinv_admin_action_delete', -10 );
+add_action('admin_action_trash', 'wpinv_admin_action_delete', -10);
+add_action('admin_action_delete', 'wpinv_admin_action_delete', -10);
 
-function wpinv_check_delete_item( $check, $post, $force_delete ) {
-    if ( $post->post_type == 'wpi_item' ) {
-        if ( $force_delete && !wpinv_can_delete_item( $post->ID ) ) {
+function wpinv_check_delete_item($check, $post, $force_delete) {
+    if ($post->post_type == 'wpi_item') {
+        if ($force_delete && !wpinv_can_delete_item($post->ID)) {
             return true;
         }
     }
     
     return $check;
 }
-add_filter( 'pre_delete_post', 'wpinv_check_delete_item', 10, 3 );
+add_filter('pre_delete_post', 'wpinv_check_delete_item', 10, 3);
 
-function wpinv_item_in_use( $item_id ) {
+function wpinv_item_in_use($item_id) {
     global $wpdb, $wpi_items_in_use;
     
-    if ( !$item_id > 0 ) {
+    if (!$item_id > 0) {
         return false;
     }
     
-    if ( !empty( $wpi_items_in_use ) ) {
-        if ( isset( $wpi_items_in_use[$item_id] ) ) {
+    if (!empty($wpi_items_in_use)) {
+        if (isset($wpi_items_in_use[$item_id])) {
             return $wpi_items_in_use[$item_id];
         }
     } else {
         $wpi_items_in_use = array();
     }
     
-    $statuses   = array_keys( wpinv_get_invoice_statuses( true, true ) );
+    $statuses = array_keys(wpinv_get_invoice_statuses(true, true));
     
-    $query  = "SELECT p.ID FROM " . $wpdb->posts . " AS p INNER JOIN " . $wpdb->postmeta . " AS pm ON p.ID = pm.post_id WHERE p.post_type = 'wpi_invoice' AND p.post_status IN( '" . implode( "','", $statuses ) . "' ) AND pm.meta_key = '_wpinv_item_ids' AND FIND_IN_SET( '" . (int)$item_id . "', pm.meta_value )";
-    $in_use = $wpdb->get_var( $query ) > 0 ? true : false;
+    $query  = "SELECT p.ID FROM " . $wpdb->posts . " AS p INNER JOIN " . $wpdb->postmeta . " AS pm ON p.ID = pm.post_id WHERE p.post_type = 'wpi_invoice' AND p.post_status IN( '" . implode("','", $statuses) . "' ) AND pm.meta_key = '_wpinv_item_ids' AND FIND_IN_SET( '" . (int) $item_id . "', pm.meta_value )";
+    $in_use = $wpdb->get_var($query) > 0 ? true : false;
     
     $wpi_items_in_use[$item_id] = $in_use;
     
     return $in_use;
 }
 
-function wpinv_create_item( $args = array(), $wp_error = false, $force_update = false ) {
+function wpinv_create_item($args = array(), $wp_error = false, $force_update = false) {
     // Set some defaults
     $defaults = array(
-        'type'                 => 'custom',                                                // Optional. Item type. Default 'custom'.
-        'title'                => '',                                                      // Required. Item title.
-        'custom_id'            => 0,                                                       // Optional. Any integer or non numeric id. Must be unique within item type.
-        'price'                => '0.00',                                                  // Optional. Item price. Default '0.00'.
-        'status'               => 'pending',                                               // Optional. pending, publish
-        'custom_name'          => '',                                                      // Optional. Plural sub title for item.
-        'custom_singular_name' => '',                                                      // Optional. Singular sub title for item.
-        'vat_rule'             => 'digital',                                               // Optional. digital => Digital item, physical => Physical item
-        'editable'             => true,                                                    // Optional. Item editable from Items list page? Default true.
-        'excerpt'              => '',                                                      // Optional. Item short description
+        'type'                 => 'custom', // Optional. Item type. Default 'custom'.
+        'title'                => '', // Required. Item title.
+        'custom_id'            => 0, // Optional. Any integer or non numeric id. Must be unique within item type.
+        'price'                => '0.00', // Optional. Item price. Default '0.00'.
+        'status'               => 'pending', // Optional. pending, publish
+        'custom_name'          => '', // Optional. Plural sub title for item.
+        'custom_singular_name' => '', // Optional. Singular sub title for item.
+        'vat_rule'             => 'digital', // Optional. digital => Digital item, physical => Physical item
+        'editable'             => true, // Optional. Item editable from Items list page? Default true.
+        'excerpt'              => '', // Optional. Item short description
         /* Recurring item fields */
-        'is_recurring'         => 0,                                                       // Optional. 1 => Allow recurring or 0 => Don't allow recurring
-        'recurring_period'     => 'M',                                                     // Optional. D => Daily, W => Weekly, M => Monthly, Y => Yearly
-        'recurring_interval'   => 0,                                                       // Optional. Integer value between 1 - 90.
-        'recurring_limit'      => 0,                                                       // Optional. Any integer number. 0 for recurring forever until cancelled.
-        'free_trial'           => 0,                                                       // Optional. 1 => Allow free trial or 0 => Don't free trial
-        'trial_period'         => 'M',                                                     // Optional. D => Daily, W => Weekly, M => Monthly, Y => Yearly
-        'trial_interval'       => 0,                                                       // Optional. Any integer number.
-        'minimum_price'        => '0.00',                                                  // Optional. Minimum allowed prices for items with dynamic pricing.
-        'dynamic_pricing'      => 0,                                                       // Optional. Whether or not the item supports dynamic prices.
+        'is_recurring'         => 0, // Optional. 1 => Allow recurring or 0 => Don't allow recurring
+        'recurring_period'     => 'M', // Optional. D => Daily, W => Weekly, M => Monthly, Y => Yearly
+        'recurring_interval'   => 0, // Optional. Integer value between 1 - 90.
+        'recurring_limit'      => 0, // Optional. Any integer number. 0 for recurring forever until cancelled.
+        'free_trial'           => 0, // Optional. 1 => Allow free trial or 0 => Don't free trial
+        'trial_period'         => 'M', // Optional. D => Daily, W => Weekly, M => Monthly, Y => Yearly
+        'trial_interval'       => 0, // Optional. Any integer number.
+        'minimum_price'        => '0.00', // Optional. Minimum allowed prices for items with dynamic pricing.
+        'dynamic_pricing'      => 0, // Optional. Whether or not the item supports dynamic prices.
     );
 
-    $data = wp_parse_args( $args, $defaults );
+    $data = wp_parse_args($args, $defaults);
 
-    if ( empty( $data['type'] ) ) {
+    if (empty($data['type'])) {
         $data['type'] = 'custom';
     }
 
-    if ( !empty( $data['custom_id'] ) ) {
-        $item = wpinv_get_item_by( 'custom_id', $data['custom_id'], $data['type'] );
+    if (!empty($data['custom_id'])) {
+        $item = wpinv_get_item_by('custom_id', $data['custom_id'], $data['type']);
     } else {
         $item = NULL;
     }
 
-    if ( !empty( $item ) ) {
-        if ( $force_update ) {
-            if ( empty( $args['ID'] ) ) {
+    if (!empty($item)) {
+        if ($force_update) {
+            if (empty($args['ID'])) {
                 $args['ID'] = $item->ID;
             }
-            return wpinv_update_item( $args, $wp_error );
+            return wpinv_update_item($args, $wp_error);
         }
 
         return $item;
@@ -802,21 +802,21 @@ 
     $meta['custom_id']              = $data['custom_id'];
     $meta['custom_singular_name']   = $data['custom_singular_name'];
     $meta['custom_name']            = $data['custom_name'];
-    $meta['price']                  = wpinv_round_amount( $data['price'] );
-    $meta['editable']               = (int)$data['editable'];
+    $meta['price']                  = wpinv_round_amount($data['price']);
+    $meta['editable']               = (int) $data['editable'];
     $meta['vat_rule']               = $data['vat_rule'];
     $meta['vat_class']              = '_standard';
     $meta['dynamic_pricing']        = (int) $data['dynamic_pricing'];
-    $meta['minimum_price']          = wpinv_round_amount( $data['minimum_price'] );
+    $meta['minimum_price']          = wpinv_round_amount($data['minimum_price']);
     
-    if ( !empty( $data['is_recurring'] ) ) {
+    if (!empty($data['is_recurring'])) {
         $meta['is_recurring']       = $data['is_recurring'];
         $meta['recurring_period']   = $data['recurring_period'];
-        $meta['recurring_interval'] = absint( $data['recurring_interval'] );
-        $meta['recurring_limit']    = absint( $data['recurring_limit'] );
+        $meta['recurring_interval'] = absint($data['recurring_interval']);
+        $meta['recurring_limit']    = absint($data['recurring_limit']);
         $meta['free_trial']         = $data['free_trial'];
         $meta['trial_period']       = $data['trial_period'];
-        $meta['trial_interval']     = absint( $data['trial_interval'] );
+        $meta['trial_interval']     = absint($data['trial_interval']);
     } else {
         $meta['is_recurring']       = 0;
         $meta['recurring_period']   = '';
@@ -827,7 +827,7 @@ 
         $meta['trial_interval']     = '';
     }
     
-    $post_data  = array( 
+    $post_data = array( 
         'post_title'    => $data['title'],
         'post_excerpt'  => $data['excerpt'],
         'post_status'   => $data['status'],
@@ -835,34 +835,34 @@ 
     );
 
     $item = new WPInv_Item();
-    $return = $item->create( $post_data, $wp_error );
+    $return = $item->create($post_data, $wp_error);
 
-    if ( $return && !empty( $item ) && !is_wp_error( $return ) ) {
+    if ($return && !empty($item) && !is_wp_error($return)) {
         return $item;
     }
 
-    if ( $wp_error && is_wp_error( $return ) ) {
+    if ($wp_error && is_wp_error($return)) {
         return $return;
     }
     return 0;
 }
 
-function wpinv_update_item( $args = array(), $wp_error = false ) {
-    $item = !empty( $args['ID'] ) ? new WPInv_Item( $args['ID'] ) : NULL;
+function wpinv_update_item($args = array(), $wp_error = false) {
+    $item = !empty($args['ID']) ? new WPInv_Item($args['ID']) : NULL;
 
-    if ( empty( $item ) || !( !empty( $item->post_type ) && $item->post_type == 'wpi_item' ) ) {
-        if ( $wp_error ) {
-            return new WP_Error( 'wpinv_invalid_item', __( 'Invalid item.', 'invoicing' ) );
+    if (empty($item) || !(!empty($item->post_type) && $item->post_type == 'wpi_item')) {
+        if ($wp_error) {
+            return new WP_Error('wpinv_invalid_item', __('Invalid item.', 'invoicing'));
         }
         return 0;
     }
     
-    if ( !empty( $args['custom_id'] ) ) {
-        $item_exists = wpinv_get_item_by( 'custom_id', $args['custom_id'], ( !empty( $args['type'] ) ? $args['type'] : $item->type ) );
+    if (!empty($args['custom_id'])) {
+        $item_exists = wpinv_get_item_by('custom_id', $args['custom_id'], (!empty($args['type']) ? $args['type'] : $item->type));
         
-        if ( !empty( $item_exists ) && $item_exists->ID != $args['ID'] ) {
-            if ( $wp_error ) {
-                return new WP_Error( 'wpinv_invalid_custom_id', __( 'Item with custom id already exists.', 'invoicing' ) );
+        if (!empty($item_exists) && $item_exists->ID != $args['ID']) {
+            if ($wp_error) {
+                return new WP_Error('wpinv_invalid_custom_id', __('Item with custom id already exists.', 'invoicing'));
             }
             return 0;
         }
@@ -889,54 +889,54 @@ 
     );
 
     $post_data = array();
-    if ( isset( $args['title'] ) ) { 
+    if (isset($args['title'])) { 
         $post_data['post_title'] = $args['title'];
     }
-    if ( isset( $args['excerpt'] ) ) { 
+    if (isset($args['excerpt'])) { 
         $post_data['post_excerpt'] = $args['excerpt'];
     }
-    if ( isset( $args['status'] ) ) { 
+    if (isset($args['status'])) { 
         $post_data['post_status'] = $args['status'];
     }
     
-    foreach ( $meta_fields as $meta_field ) {
-        if ( isset( $args[ $meta_field ] ) ) { 
-            $value = $args[ $meta_field ];
+    foreach ($meta_fields as $meta_field) {
+        if (isset($args[$meta_field])) { 
+            $value = $args[$meta_field];
 
-            switch ( $meta_field ) {
+            switch ($meta_field) {
                 case 'price':
                 case 'minimum_price':
-                    $value = wpinv_round_amount( $value );
+                    $value = wpinv_round_amount($value);
                 break;
                 case 'recurring_interval':
                 case 'recurring_limit':
                 case 'trial_interval':
-                    $value = absint( $value );
+                    $value = absint($value);
                 break;
 				case 'editable':
                     $value = (int) $value;
                 break;
             }
 
-            $post_data['meta'][ $meta_field ] = $value;
+            $post_data['meta'][$meta_field] = $value;
         };
     }
 
-    if ( empty( $post_data ) ) {
-        if ( $wp_error ) {
-            return new WP_Error( 'wpinv_invalid_item_data', __( 'Invalid item data.', 'invoicing' ) );
+    if (empty($post_data)) {
+        if ($wp_error) {
+            return new WP_Error('wpinv_invalid_item_data', __('Invalid item data.', 'invoicing'));
         }
         return 0;
     }
     $post_data['ID'] = $args['ID'];
 
-    $return = $item->update( $post_data, $wp_error );
+    $return = $item->update($post_data, $wp_error);
 
-    if ( $return && !empty( $item ) && !is_wp_error( $return ) ) {
+    if ($return && !empty($item) && !is_wp_error($return)) {
         return $item;
     }
 
-    if ( $wp_error && is_wp_error( $return ) ) {
+    if ($wp_error && is_wp_error($return)) {
         return $return;
     }
     return 0;
@@ -945,7 +945,7 @@ 
 /**
  * Sanitizes a recurring period
  */
-function getpaid_sanitize_recurring_period( $period, $full = false ) {
+function getpaid_sanitize_recurring_period($period, $full = false) {
 
     $periods = array(
         'D' => 'day',
@@ -954,10 +954,10 @@ 
         'Y' => 'year',
     );
 
-    if ( ! isset( $periods[ $period ] ) ) {
+    if (!isset($periods[$period])) {
         $period = 'D';
     }
     
-    return $full ? $periods[ $period ] : $period;
+    return $full ? $periods[$period] : $period;
 
 }

includes/class-wpinv-item.php

Indentation +552 added lines, -552 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -17,30 +17,30 @@ 
     public $ID = 0;
 
     /**
-	 * Which data store to load.
-	 *
-	 * @var string
-	 */
+     * Which data store to load.
+     *
+     * @var string
+     */
     protected $data_store_name = 'item';
 
     /**
-	 * This is the name of this object type.
-	 *
-	 * @var string
-	 */
-	protected $object_type = 'item';
+     * This is the name of this object type.
+     *
+     * @var string
+     */
+    protected $object_type = 'item';
 
     /**
-	 * Item Data array. This is the core item data exposed in APIs.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array(
-		'parent_id'            => 0,
-		'status'               => 'draft',
-		'version'              => '',
-		'date_created'         => null,
+     * Item Data array. This is the core item data exposed in APIs.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array(
+        'parent_id'            => 0,
+        'status'               => 'draft',
+        'version'              => '',
+        'date_created'         => null,
         'date_modified'        => null,
         'name'                 => '',
         'description'          => '',
@@ -66,13 +66,13 @@ 
     );
 
     /**
-	 * Stores meta in cache for future reads.
-	 *
-	 * A group must be set to to enable caching.
-	 *
-	 * @var string
-	 */
-	protected $cache_group = 'getpaid_items';
+     * Stores meta in cache for future reads.
+     *
+     * A group must be set to to enable caching.
+     *
+     * @var string
+     */
+    protected $cache_group = 'getpaid_items';
 
     /**
      * Stores a reference to the original WP_Post object
@@ -82,31 +82,31 @@ 
     protected $post = null; 
 
     /**
-	 * Get the item if ID is passed, otherwise the item is new and empty.
-	 *
-	 * @param  int|object|WPInv_Item|WP_Post $item Item to read.
-	 */
-	public function __construct( $item = 0 ) {
-		parent::__construct( $item );
-
-		if ( is_numeric( $item ) && $item > 0 ) {
-			$this->set_id( $item );
-		} elseif ( $item instanceof self ) {
-			$this->set_id( $item->get_id() );
-		} elseif ( ! empty( $item->ID ) ) {
-			$this->set_id( $item->ID );
-		} else {
-			$this->set_object_read( true );
-		}
+     * Get the item if ID is passed, otherwise the item is new and empty.
+     *
+     * @param  int|object|WPInv_Item|WP_Post $item Item to read.
+     */
+    public function __construct( $item = 0 ) {
+        parent::__construct( $item );
+
+        if ( is_numeric( $item ) && $item > 0 ) {
+            $this->set_id( $item );
+        } elseif ( $item instanceof self ) {
+            $this->set_id( $item->get_id() );
+        } elseif ( ! empty( $item->ID ) ) {
+            $this->set_id( $item->ID );
+        } else {
+            $this->set_object_read( true );
+        }
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+        $this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
 
-		if ( $this->get_id() > 0 ) {
+        if ( $this->get_id() > 0 ) {
             $this->post = get_post( $this->get_id() );
-			$this->data_store->read( $this );
-		}
-	}
+            $this->data_store->read( $this );
+        }
+    }
 
     /*
 	|--------------------------------------------------------------------------
@@ -124,176 +124,176 @@ 
     */
 
     /**
-	 * Get parent item ID.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_parent_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_id', $context );
+     * Get parent item ID.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_parent_id( $context = 'view' ) {
+        return (int) $this->get_prop( 'parent_id', $context );
     }
 
     /**
-	 * Get item status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+     * Get item status.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_status( $context = 'view' ) {
+        return $this->get_prop( 'status', $context );
     }
 
     /**
-	 * Get plugin version when the item was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+     * Get plugin version when the item was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_version( $context = 'view' ) {
+        return $this->get_prop( 'version', $context );
     }
 
     /**
-	 * Get date when the item was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+     * Get date when the item was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created( $context = 'view' ) {
+        return $this->get_prop( 'date_created', $context );
     }
 
     /**
-	 * Get GMT date when the item was created.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_created_gmt( $context = 'view' ) {
+     * Get GMT date when the item was created.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_created_gmt( $context = 'view' ) {
         $date = $this->get_date_created( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Get date when the item was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+     * Get date when the item was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified( $context = 'view' ) {
+        return $this->get_prop( 'date_modified', $context );
     }
 
     /**
-	 * Get GMT date when the item was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
+     * Get GMT date when the item was last modified.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_date_modified_gmt( $context = 'view' ) {
         $date = $this->get_date_modified( $context );
 
         if ( $date ) {
             $date = get_gmt_from_date( $date );
         }
-		return $date;
+        return $date;
     }
 
     /**
-	 * Get the item name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_name( $context = 'view' ) {
-		return $this->get_prop( 'name', $context );
+     * Get the item name.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_name( $context = 'view' ) {
+        return $this->get_prop( 'name', $context );
     }
 
     /**
-	 * Alias of self::get_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+     * Alias of self::get_name().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_title( $context = 'view' ) {
+        return $this->get_name( $context );
     }
 
     /**
-	 * Get the item description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
+     * Get the item description.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_description( $context = 'view' ) {
+        return $this->get_prop( 'description', $context );
     }
 
     /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_excerpt( $context = 'view' ) {
+        return $this->get_description( $context );
     }
 
     /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_summary( $context = 'view' ) {
+        return $this->get_description( $context );
     }
 
     /**
-	 * Get the owner of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+     * Get the owner of the item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_author( $context = 'view' ) {
+        return (int) $this->get_prop( 'author', $context );
     }
 
     /**
-	 * Get the price of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_price( $context = 'view' ) {
+     * Get the price of the item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_price( $context = 'view' ) {
         return wpinv_sanitize_amount( $this->get_prop( 'price', $context ) );
     }
 
     /**
-	 * Returns a formated price.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
+     * Returns a formated price.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
     public function get_the_price() {
         $item_price = wpinv_price( wpinv_format_amount( $this->get_price() ) );
 
@@ -301,134 +301,134 @@ 
     }
 
     /**
-	 * Get the VAT rule of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_vat_rule( $context = 'view' ) {
+     * Get the VAT rule of the item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_vat_rule( $context = 'view' ) {
         return $this->get_prop( 'vat_rule', $context );
     }
 
     /**
-	 * Get the VAT class of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_vat_class( $context = 'view' ) {
+     * Get the VAT class of the item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_vat_class( $context = 'view' ) {
         return $this->get_prop( 'vat_class', $context );
     }
 
     /**
-	 * Get the type of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_type( $context = 'view' ) {
+     * Get the type of the item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_type( $context = 'view' ) {
         return $this->get_prop( 'type', $context );
     }
 
     /**
-	 * Get the custom id of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_custom_id( $context = 'view' ) {
+     * Get the custom id of the item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_custom_id( $context = 'view' ) {
         return $this->get_prop( 'custom_id', $context );
     }
 
     /**
-	 * Get the custom name of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_custom_name( $context = 'view' ) {
+     * Get the custom name of the item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_custom_name( $context = 'view' ) {
         return $this->get_prop( 'custom_name', $context );
     }
 
     /**
-	 * Get the custom singular name of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_custom_singular_name( $context = 'view' ) {
+     * Get the custom singular name of the item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_custom_singular_name( $context = 'view' ) {
         return $this->get_prop( 'custom_singular_name', $context );
     }
 
     /**
-	 * Checks if an item is editable..
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_is_editable( $context = 'view' ) {
+     * Checks if an item is editable..
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_is_editable( $context = 'view' ) {
         return $this->get_prop( 'is_editable', $context );
     }
 
     /**
-	 * Alias of self::get_is_editable().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_editable( $context = 'view' ) {
-		return $this->get_is_editable( $context );
+     * Alias of self::get_is_editable().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_editable( $context = 'view' ) {
+        return $this->get_is_editable( $context );
     }
 
     /**
-	 * Checks if dynamic pricing is enabled.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_is_dynamic_pricing( $context = 'view' ) {
+     * Checks if dynamic pricing is enabled.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_is_dynamic_pricing( $context = 'view' ) {
         return $this->get_prop( 'is_dynamic_pricing', $context );
     }
 
     /**
-	 * Returns the minimum price if dynamic pricing is enabled.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_minimum_price( $context = 'view' ) {
+     * Returns the minimum price if dynamic pricing is enabled.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_minimum_price( $context = 'view' ) {
         return $this->get_prop( 'minimum_price', $context );
     }
 
     /**
-	 * Checks if this is a recurring item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_is_recurring( $context = 'view' ) {
+     * Checks if this is a recurring item.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_is_recurring( $context = 'view' ) {
         return $this->get_prop( 'is_recurring', $context );
     }
 
     /**
-	 * Get the recurring period.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $full Return abbreviation or in full.
-	 * @return string
-	 */
-	public function get_recurring_period( $full = false ) {
+     * Get the recurring period.
+     *
+     * @since 1.0.19
+     * @param  bool $full Return abbreviation or in full.
+     * @return string
+     */
+    public function get_recurring_period( $full = false ) {
         $period = $this->get_prop( 'recurring_period', 'view' );
 
         if ( $full && ! is_bool( $full ) ) {
@@ -439,57 +439,57 @@ 
     }
 
     /**
-	 * Get the recurring interval.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_recurring_interval( $context = 'view' ) {
+     * Get the recurring interval.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_recurring_interval( $context = 'view' ) {
         return (int) $this->get_prop( 'recurring_interval', $context );
     }
 
     /**
-	 * Get the recurring limit.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return int
-	 */
-	public function get_recurring_limit( $context = 'view' ) {
+     * Get the recurring limit.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return int
+     */
+    public function get_recurring_limit( $context = 'view' ) {
         return (int) $this->get_prop( 'recurring_limit', $context );
     }
 
     /**
-	 * Checks if we have a free trial.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_is_free_trial( $context = 'view' ) {
+     * Checks if we have a free trial.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_is_free_trial( $context = 'view' ) {
         return $this->get_prop( 'is_free_trial', $context );
     }
 
     /**
-	 * Alias for self::get_is_free_trial().
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_free_trial( $context = 'view' ) {
+     * Alias for self::get_is_free_trial().
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_free_trial( $context = 'view' ) {
         return $this->get_is_free_trial( $context );
     }
 
     /**
-	 * Get the trial period.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $full Return abbreviation or in full.
-	 * @return string
-	 */
-	public function get_trial_period( $full = false ) {
+     * Get the trial period.
+     *
+     * @since 1.0.19
+     * @param  bool $full Return abbreviation or in full.
+     * @return string
+     */
+    public function get_trial_period( $full = false ) {
         $period = $this->get_prop( 'trial_period', 'view' );
 
         if ( $full && ! is_bool( $full ) ) {
@@ -500,24 +500,24 @@ 
     }
 
     /**
-	 * Get the trial interval.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return string
-	 */
-	public function get_trial_interval( $context = 'view' ) {
+     * Get the trial interval.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return string
+     */
+    public function get_trial_interval( $context = 'view' ) {
         return (int) $this->get_prop( 'trial_interval', $context );
     }
 
     /**
-	 * Get the sign up fee.
-	 *
-	 * @since 1.0.19
-	 * @param  string $context View or edit context.
-	 * @return float
-	 */
-	public function get_signup_fee( $context = 'view' ) {
+     * Get the sign up fee.
+     *
+     * @since 1.0.19
+     * @param  string $context View or edit context.
+     * @return float
+     */
+    public function get_signup_fee( $context = 'view' ) {
         return $this->get_prop( 'signup_fee', $context );
     }
 
@@ -551,168 +551,168 @@ 
     */
     
     /**
-	 * Set parent order ID.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_parent_id( $value ) {
-		if ( $value && ( $value === $this->get_id() || ! get_post( $value ) ) ) {
-			return;
-		}
-		$this->set_prop( 'parent_id', absint( $value ) );
-	}
-
-    /**
-	 * Sets item status.
-	 *
-	 * @since 1.0.19
-	 * @param  string $status New status.
-	 * @return array details of change.
-	 */
-	public function set_status( $status ) {
+     * Set parent order ID.
+     *
+     * @since 1.0.19
+     */
+    public function set_parent_id( $value ) {
+        if ( $value && ( $value === $this->get_id() || ! get_post( $value ) ) ) {
+            return;
+        }
+        $this->set_prop( 'parent_id', absint( $value ) );
+    }
+
+    /**
+     * Sets item status.
+     *
+     * @since 1.0.19
+     * @param  string $status New status.
+     * @return array details of change.
+     */
+    public function set_status( $status ) {
         $old_status = $this->get_status();
         
         $this->set_prop( 'status', $status );
 
-		return array(
-			'from' => $old_status,
-			'to'   => $status,
-		);
+        return array(
+            'from' => $old_status,
+            'to'   => $status,
+        );
     }
 
     /**
-	 * Set plugin version when the item was created.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
-	 */
-	public function set_version( $value ) {
-		return $this->set_prop( 'version', $value );
+     * Set plugin version when the item was created.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
+     */
+    public function set_version( $value ) {
+        return $this->set_prop( 'version', $value );
     }
 
     /**
-	 * Set date when the item was created.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
-	 */
-	public function set_date_created( $value ) {
-		return $this->set_prop( 'date_created', $value );
+     * Set date when the item was created.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
+     */
+    public function set_date_created( $value ) {
+        return $this->set_prop( 'date_created', $value );
     }
 
     /**
-	 * Set date when the item was last modified.
-	 *
-	 * @since 1.0.19
-	 * @param string $value Value to set.
-	 */
-	public function set_date_modified( $value ) {
-		return $this->set_prop( 'date_modified', $value );
+     * Set date when the item was last modified.
+     *
+     * @since 1.0.19
+     * @param string $value Value to set.
+     */
+    public function set_date_modified( $value ) {
+        return $this->set_prop( 'date_modified', $value );
     }
 
     /**
-	 * Set the item name.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 * @return string
-	 */
-	public function set_name( $value ) {
-		return $this->set_prop( 'name', $value );
+     * Set the item name.
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     * @return string
+     */
+    public function set_name( $value ) {
+        return $this->set_prop( 'name', $value );
     }
 
     /**
-	 * Alias of self::set_name().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New name.
-	 * @return string
-	 */
-	public function set_title( $value ) {
-		return $this->set_name( $value );
+     * Alias of self::set_name().
+     *
+     * @since 1.0.19
+     * @param  string $value New name.
+     * @return string
+     */
+    public function set_title( $value ) {
+        return $this->set_name( $value );
     }
 
     /**
-	 * Set the item description.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 * @return string
-	 */
-	public function set_description( $value ) {
-		return $this->set_prop( 'description', $value );
+     * Set the item description.
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     * @return string
+     */
+    public function set_description( $value ) {
+        return $this->set_prop( 'description', $value );
     }
 
     /**
-	 * Alias of self::set_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 * @return string
-	 */
-	public function set_excerpt( $value ) {
-		return $this->set_description( $value );
+     * Alias of self::set_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     * @return string
+     */
+    public function set_excerpt( $value ) {
+        return $this->set_description( $value );
     }
 
     /**
-	 * Alias of self::get_description().
-	 *
-	 * @since 1.0.19
-	 * @param  string $value New description.
-	 */
-	public function set_summary( $value ) {
-		return $this->set_description( $value );
+     * Alias of self::get_description().
+     *
+     * @since 1.0.19
+     * @param  string $value New description.
+     */
+    public function set_summary( $value ) {
+        return $this->set_description( $value );
     }
 
     /**
-	 * Set the owner of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value New author.
-	 */
-	public function set_author( $value ) {
-		$this->set_prop( 'author', (int) $value );
+     * Set the owner of the item.
+     *
+     * @since 1.0.19
+     * @param  int $value New author.
+     */
+    public function set_author( $value ) {
+        $this->set_prop( 'author', (int) $value );
     }
 
     /**
-	 * Set the price of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value New price.
-	 * @return string
-	 */
-	public function set_price( $value ) {
+     * Set the price of the item.
+     *
+     * @since 1.0.19
+     * @param  float $value New price.
+     * @return string
+     */
+    public function set_price( $value ) {
         $this->set_prop( 'price', wpinv_sanitize_amount( $value ) );
     }
 
     /**
-	 * Set the VAT rule of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value new rule.
-	 */
-	public function set_vat_rule( $value ) {
+     * Set the VAT rule of the item.
+     *
+     * @since 1.0.19
+     * @param  string $value new rule.
+     */
+    public function set_vat_rule( $value ) {
         $this->set_prop( 'price', $value );
     }
 
     /**
-	 * Set the VAT class of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value new class.
-	 */
-	public function set_vat_class( $value ) {
+     * Set the VAT class of the item.
+     *
+     * @since 1.0.19
+     * @param  string $value new class.
+     */
+    public function set_vat_class( $value ) {
         $this->set_prop( 'vat_class', $value );
     }
 
     /**
-	 * Set the type of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value new item type.
-	 * @return string
-	 */
-	public function set_type( $value ) {
+     * Set the type of the item.
+     *
+     * @since 1.0.19
+     * @param  string $value new item type.
+     * @return string
+     */
+    public function set_type( $value ) {
 
         if ( empty( $value ) ) {
             $value = 'custom';
@@ -722,142 +722,142 @@ 
     }
 
     /**
-	 * Set the custom id of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value new custom id.
-	 */
-	public function set_custom_id( $value ) {
+     * Set the custom id of the item.
+     *
+     * @since 1.0.19
+     * @param  string $value new custom id.
+     */
+    public function set_custom_id( $value ) {
         $this->set_prop( 'custom_id', $value );
     }
 
     /**
-	 * Set the custom name of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value new custom id.
-	 */
-	public function set_custom_name( $value ) {
+     * Set the custom name of the item.
+     *
+     * @since 1.0.19
+     * @param  string $value new custom id.
+     */
+    public function set_custom_name( $value ) {
         $this->set_prop( 'custom_name', $value );
     }
 
     /**
-	 * Set the custom singular name of the item.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value new custom id.
-	 */
-	public function set_custom_singular_name( $value ) {
+     * Set the custom singular name of the item.
+     *
+     * @since 1.0.19
+     * @param  string $value new custom id.
+     */
+    public function set_custom_singular_name( $value ) {
         $this->set_prop( 'custom_singular_name', $value );
     }
 
     /**
-	 * Sets if an item is editable..
-	 *
-	 * @since 1.0.19
-	 * @param  bool $value whether or not the item is editable.
-	 */
-	public function set_is_editable( $value ) {
+     * Sets if an item is editable..
+     *
+     * @since 1.0.19
+     * @param  bool $value whether or not the item is editable.
+     */
+    public function set_is_editable( $value ) {
         $this->set_prop( 'is_editable', (int) $value );
     }
 
     /**
-	 * Sets if dynamic pricing is enabled.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $value whether or not dynamic pricing is allowed.
-	 */
-	public function set_is_dynamic_pricing( $value ) {
+     * Sets if dynamic pricing is enabled.
+     *
+     * @since 1.0.19
+     * @param  bool $value whether or not dynamic pricing is allowed.
+     */
+    public function set_is_dynamic_pricing( $value ) {
         $this->get_prop( 'is_dynamic_pricing', (int) $value );
     }
 
     /**
-	 * Sets the minimum price if dynamic pricing is enabled.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value minimum price.
-	 */
-	public function set_minimum_price( $value ) {
+     * Sets the minimum price if dynamic pricing is enabled.
+     *
+     * @since 1.0.19
+     * @param  float $value minimum price.
+     */
+    public function set_minimum_price( $value ) {
         $this->set_prop( 'minimum_price',  wpinv_sanitize_amount( $value ) );
     }
 
     /**
-	 * Sets if this is a recurring item.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $value whether or not dynamic pricing is allowed.
-	 */
-	public function set_is_recurring( $value ) {
+     * Sets if this is a recurring item.
+     *
+     * @since 1.0.19
+     * @param  bool $value whether or not dynamic pricing is allowed.
+     */
+    public function set_is_recurring( $value ) {
         $this->set_prop( 'is_recurring', (int) $value );
     }
 
     /**
-	 * Set the recurring period.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value new period.
-	 */
-	public function set_recurring_period( $value ) {
+     * Set the recurring period.
+     *
+     * @since 1.0.19
+     * @param  string $value new period.
+     */
+    public function set_recurring_period( $value ) {
         $this->set_prop( 'recurring_period', $value );
     }
 
     /**
-	 * Set the recurring interval.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value recurring interval.
-	 */
-	public function set_recurring_interval( $value ) {
+     * Set the recurring interval.
+     *
+     * @since 1.0.19
+     * @param  int $value recurring interval.
+     */
+    public function set_recurring_interval( $value ) {
         return $this->set_prop( 'recurring_interval', (int) $value );
     }
 
     /**
-	 * Get the recurring limit.
-	 * @since 1.0.19
-	 * @param  int $value The recurring limit.
-	 * @return int
-	 */
-	public function set_recurring_limit( $value ) {
+     * Get the recurring limit.
+     * @since 1.0.19
+     * @param  int $value The recurring limit.
+     * @return int
+     */
+    public function set_recurring_limit( $value ) {
         $this->get_prop( 'recurring_limit', (int) $value );
     }
 
     /**
-	 * Checks if we have a free trial.
-	 *
-	 * @since 1.0.19
-	 * @param  bool $value whether or not it has a free trial.
-	 */
-	public function set_is_free_trial( $value ) {
+     * Checks if we have a free trial.
+     *
+     * @since 1.0.19
+     * @param  bool $value whether or not it has a free trial.
+     */
+    public function set_is_free_trial( $value ) {
         $this->set_prop( 'is_free_trial', (int) $value );
     }
 
     /**
-	 * Set the trial period.
-	 *
-	 * @since 1.0.19
-	 * @param  string $value trial period.
-	 */
-	public function set_trial_period( $value ) {
+     * Set the trial period.
+     *
+     * @since 1.0.19
+     * @param  string $value trial period.
+     */
+    public function set_trial_period( $value ) {
         $this->set_prop( 'trial_period', $value );
     }
 
     /**
-	 * Set the trial interval.
-	 *
-	 * @since 1.0.19
-	 * @param  int $value trial interval.
-	 */
-	public function Set_trial_interval( $value ) {
+     * Set the trial interval.
+     *
+     * @since 1.0.19
+     * @param  int $value trial interval.
+     */
+    public function Set_trial_interval( $value ) {
         $this->set_prop( 'trial_interval', $value );
     }
 
     /**
-	 * Set the sign up fee.
-	 *
-	 * @since 1.0.19
-	 * @param  float $value The signup fee.
-	 */
-	public function set_signup_fee( $value ) {
+     * Set the sign up fee.
+     *
+     * @since 1.0.19
+     * @param  float $value The signup fee.
+     */
+    public function set_signup_fee( $value ) {
         $this->set_prop( 'signup_fee', $value );
     }
 
@@ -889,21 +889,21 @@ 
 	*/
 
     /**
-	 * Checks whether the item is recurring.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_recurring() {
+     * Checks whether the item is recurring.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_recurring() {
         (bool) $this->get_is_recurring();
     }
 
     /**
-	 * Checks whether the item has a free trial.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
+     * Checks whether the item has a free trial.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
     public function has_free_trial() {
         $has_trial = $this->is_recurring() && (bool) $this->get_free_trial() ? true : false;
 
@@ -911,11 +911,11 @@ 
     }
 
     /**
-	 * Checks whether the item has a sign up fee.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
+     * Checks whether the item has a sign up fee.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
     public function has_signup_fee() {
         $has_signup_fee = $this->is_recurring() && $this->get_signup_fee() > 0 ? true : false;
 
@@ -923,11 +923,11 @@ 
     }
 
     /**
-	 * Checks whether the item is free.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
+     * Checks whether the item is free.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
     public function is_free() {
         $price   = (float) $this->get_price();
         $is_free = $price == 0;
@@ -937,31 +937,31 @@ 
     }
 
     /**
-	 * Checks the item status against a passed in status.
-	 *
-	 * @param array|string $status Status to check.
-	 * @return bool
-	 */
-	public function has_status( $status ) {
-		return apply_filters( 'getpaid_item_has_status', ( is_array( $status ) && in_array( $this->get_status(), $status, true ) ) || $this->get_status() === $status, $this, $status );
+     * Checks the item status against a passed in status.
+     *
+     * @param array|string $status Status to check.
+     * @return bool
+     */
+    public function has_status( $status ) {
+        return apply_filters( 'getpaid_item_has_status', ( is_array( $status ) && in_array( $this->get_status(), $status, true ) ) || $this->get_status() === $status, $this, $status );
     }
     
     /**
-	 * Checks the item type against a passed in types.
-	 *
-	 * @param array|string $type Type to check.
-	 * @return bool
-	 */
-	public function is_type( $type ) {
-		return apply_filters( 'getpaid_item_is_type', ( is_array( $type ) && in_array( $this->get_type(), $type, true ) ) || $this->get_type() === $type, $this, $type );
-	}
-
-    /**
-	 * Checks whether the item is editable.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
+     * Checks the item type against a passed in types.
+     *
+     * @param array|string $type Type to check.
+     * @return bool
+     */
+    public function is_type( $type ) {
+        return apply_filters( 'getpaid_item_is_type', ( is_array( $type ) && in_array( $this->get_type(), $type, true ) ) || $this->get_type() === $type, $this, $type );
+    }
+
+    /**
+     * Checks whether the item is editable.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
     public function is_editable() {
         $is_editable = (int) $this->get_is_editable();
         return (bool) apply_filters( 'wpinv_item_is_editable', $is_editable, $this->ID );
@@ -969,11 +969,11 @@ 
 
 
     /**
-	 * Checks whether the item is purchasable.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
+     * Checks whether the item is purchasable.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
     public function can_purchase() {
         $can_purchase = null != $this->get_id();
 
@@ -985,11 +985,11 @@ 
     }
 
     /**
-	 * Checks whether the item supports dynamic pricing.
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
+     * Checks whether the item supports dynamic pricing.
+     *
+     * @since 1.0.19
+     * @return bool
+     */
     public function supports_dynamic_pricing() {
         return (bool) apply_filters( 'wpinv_item_supports_dynamic_pricing', true, $this );
     }

Spacing +168 added lines, -168 removed lines

@@ -1,5 +1,5 @@ 
 <?php
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -86,25 +86,25 @@ 
 	 *
 	 * @param  int|object|WPInv_Item|WP_Post $item Item to read.
 	 */
-	public function __construct( $item = 0 ) {
-		parent::__construct( $item );
+	public function __construct($item = 0) {
+		parent::__construct($item);
 
-		if ( is_numeric( $item ) && $item > 0 ) {
-			$this->set_id( $item );
-		} elseif ( $item instanceof self ) {
-			$this->set_id( $item->get_id() );
-		} elseif ( ! empty( $item->ID ) ) {
-			$this->set_id( $item->ID );
+		if (is_numeric($item) && $item > 0) {
+			$this->set_id($item);
+		} elseif ($item instanceof self) {
+			$this->set_id($item->get_id());
+		} elseif (!empty($item->ID)) {
+			$this->set_id($item->ID);
 		} else {
-			$this->set_object_read( true );
+			$this->set_object_read(true);
 		}
 
         // Load the datastore.
-		$this->data_store = GetPaid_Data_Store::load( $this->data_store_name );
+		$this->data_store = GetPaid_Data_Store::load($this->data_store_name);
 
-		if ( $this->get_id() > 0 ) {
-            $this->post = get_post( $this->get_id() );
-			$this->data_store->read( $this );
+		if ($this->get_id() > 0) {
+            $this->post = get_post($this->get_id());
+			$this->data_store->read($this);
 		}
 	}
 
@@ -130,8 +130,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_parent_id( $context = 'view' ) {
-		return (int) $this->get_prop( 'parent_id', $context );
+	public function get_parent_id($context = 'view') {
+		return (int) $this->get_prop('parent_id', $context);
     }
 
     /**
@@ -141,8 +141,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_status( $context = 'view' ) {
-		return $this->get_prop( 'status', $context );
+	public function get_status($context = 'view') {
+		return $this->get_prop('status', $context);
     }
 
     /**
@@ -152,8 +152,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_version( $context = 'view' ) {
-		return $this->get_prop( 'version', $context );
+	public function get_version($context = 'view') {
+		return $this->get_prop('version', $context);
     }
 
     /**
@@ -163,8 +163,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created( $context = 'view' ) {
-		return $this->get_prop( 'date_created', $context );
+	public function get_date_created($context = 'view') {
+		return $this->get_prop('date_created', $context);
     }
 
     /**
@@ -174,11 +174,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_created_gmt( $context = 'view' ) {
-        $date = $this->get_date_created( $context );
+	public function get_date_created_gmt($context = 'view') {
+        $date = $this->get_date_created($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -190,8 +190,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified( $context = 'view' ) {
-		return $this->get_prop( 'date_modified', $context );
+	public function get_date_modified($context = 'view') {
+		return $this->get_prop('date_modified', $context);
     }
 
     /**
@@ -201,11 +201,11 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_date_modified_gmt( $context = 'view' ) {
-        $date = $this->get_date_modified( $context );
+	public function get_date_modified_gmt($context = 'view') {
+        $date = $this->get_date_modified($context);
 
-        if ( $date ) {
-            $date = get_gmt_from_date( $date );
+        if ($date) {
+            $date = get_gmt_from_date($date);
         }
 		return $date;
     }
@@ -217,8 +217,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_name( $context = 'view' ) {
-		return $this->get_prop( 'name', $context );
+	public function get_name($context = 'view') {
+		return $this->get_prop('name', $context);
     }
 
     /**
@@ -228,8 +228,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_title( $context = 'view' ) {
-		return $this->get_name( $context );
+	public function get_title($context = 'view') {
+		return $this->get_name($context);
     }
 
     /**
@@ -239,8 +239,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_description( $context = 'view' ) {
-		return $this->get_prop( 'description', $context );
+	public function get_description($context = 'view') {
+		return $this->get_prop('description', $context);
     }
 
     /**
@@ -250,8 +250,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_excerpt( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_excerpt($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -261,8 +261,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_summary( $context = 'view' ) {
-		return $this->get_description( $context );
+	public function get_summary($context = 'view') {
+		return $this->get_description($context);
     }
 
     /**
@@ -272,8 +272,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_author( $context = 'view' ) {
-		return (int) $this->get_prop( 'author', $context );
+	public function get_author($context = 'view') {
+		return (int) $this->get_prop('author', $context);
     }
 
     /**
@@ -283,8 +283,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_price( $context = 'view' ) {
-        return wpinv_sanitize_amount( $this->get_prop( 'price', $context ) );
+	public function get_price($context = 'view') {
+        return wpinv_sanitize_amount($this->get_prop('price', $context));
     }
 
     /**
@@ -295,9 +295,9 @@ 
 	 * @return string
 	 */
     public function get_the_price() {
-        $item_price = wpinv_price( wpinv_format_amount( $this->get_price() ) );
+        $item_price = wpinv_price(wpinv_format_amount($this->get_price()));
 
-        return apply_filters( 'wpinv_get_the_item_price', $item_price, $this->ID );
+        return apply_filters('wpinv_get_the_item_price', $item_price, $this->ID);
     }
 
     /**
@@ -307,8 +307,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_vat_rule( $context = 'view' ) {
-        return $this->get_prop( 'vat_rule', $context );
+	public function get_vat_rule($context = 'view') {
+        return $this->get_prop('vat_rule', $context);
     }
 
     /**
@@ -318,8 +318,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_vat_class( $context = 'view' ) {
-        return $this->get_prop( 'vat_class', $context );
+	public function get_vat_class($context = 'view') {
+        return $this->get_prop('vat_class', $context);
     }
 
     /**
@@ -329,8 +329,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_type( $context = 'view' ) {
-        return $this->get_prop( 'type', $context );
+	public function get_type($context = 'view') {
+        return $this->get_prop('type', $context);
     }
 
     /**
@@ -340,8 +340,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_custom_id( $context = 'view' ) {
-        return $this->get_prop( 'custom_id', $context );
+	public function get_custom_id($context = 'view') {
+        return $this->get_prop('custom_id', $context);
     }
 
     /**
@@ -351,8 +351,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_custom_name( $context = 'view' ) {
-        return $this->get_prop( 'custom_name', $context );
+	public function get_custom_name($context = 'view') {
+        return $this->get_prop('custom_name', $context);
     }
 
     /**
@@ -362,8 +362,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_custom_singular_name( $context = 'view' ) {
-        return $this->get_prop( 'custom_singular_name', $context );
+	public function get_custom_singular_name($context = 'view') {
+        return $this->get_prop('custom_singular_name', $context);
     }
 
     /**
@@ -373,8 +373,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_is_editable( $context = 'view' ) {
-        return $this->get_prop( 'is_editable', $context );
+	public function get_is_editable($context = 'view') {
+        return $this->get_prop('is_editable', $context);
     }
 
     /**
@@ -384,8 +384,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_editable( $context = 'view' ) {
-		return $this->get_is_editable( $context );
+	public function get_editable($context = 'view') {
+		return $this->get_is_editable($context);
     }
 
     /**
@@ -395,8 +395,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_is_dynamic_pricing( $context = 'view' ) {
-        return $this->get_prop( 'is_dynamic_pricing', $context );
+	public function get_is_dynamic_pricing($context = 'view') {
+        return $this->get_prop('is_dynamic_pricing', $context);
     }
 
     /**
@@ -406,8 +406,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_minimum_price( $context = 'view' ) {
-        return $this->get_prop( 'minimum_price', $context );
+	public function get_minimum_price($context = 'view') {
+        return $this->get_prop('minimum_price', $context);
     }
 
     /**
@@ -417,8 +417,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_is_recurring( $context = 'view' ) {
-        return $this->get_prop( 'is_recurring', $context );
+	public function get_is_recurring($context = 'view') {
+        return $this->get_prop('is_recurring', $context);
     }
 
     /**
@@ -428,14 +428,14 @@ 
 	 * @param  bool $full Return abbreviation or in full.
 	 * @return string
 	 */
-	public function get_recurring_period( $full = false ) {
-        $period = $this->get_prop( 'recurring_period', 'view' );
+	public function get_recurring_period($full = false) {
+        $period = $this->get_prop('recurring_period', 'view');
 
-        if ( $full && ! is_bool( $full ) ) {
+        if ($full && !is_bool($full)) {
             $full = false;
         }
 
-        return getpaid_sanitize_recurring_period( $period, $full );
+        return getpaid_sanitize_recurring_period($period, $full);
     }
 
     /**
@@ -445,8 +445,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_recurring_interval( $context = 'view' ) {
-        return (int) $this->get_prop( 'recurring_interval', $context );
+	public function get_recurring_interval($context = 'view') {
+        return (int) $this->get_prop('recurring_interval', $context);
     }
 
     /**
@@ -456,8 +456,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return int
 	 */
-	public function get_recurring_limit( $context = 'view' ) {
-        return (int) $this->get_prop( 'recurring_limit', $context );
+	public function get_recurring_limit($context = 'view') {
+        return (int) $this->get_prop('recurring_limit', $context);
     }
 
     /**
@@ -467,8 +467,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_is_free_trial( $context = 'view' ) {
-        return $this->get_prop( 'is_free_trial', $context );
+	public function get_is_free_trial($context = 'view') {
+        return $this->get_prop('is_free_trial', $context);
     }
 
     /**
@@ -478,8 +478,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_free_trial( $context = 'view' ) {
-        return $this->get_is_free_trial( $context );
+	public function get_free_trial($context = 'view') {
+        return $this->get_is_free_trial($context);
     }
 
     /**
@@ -489,14 +489,14 @@ 
 	 * @param  bool $full Return abbreviation or in full.
 	 * @return string
 	 */
-	public function get_trial_period( $full = false ) {
-        $period = $this->get_prop( 'trial_period', 'view' );
+	public function get_trial_period($full = false) {
+        $period = $this->get_prop('trial_period', 'view');
 
-        if ( $full && ! is_bool( $full ) ) {
+        if ($full && !is_bool($full)) {
             $full = false;
         }
 
-        return getpaid_sanitize_recurring_period( $period, $full );
+        return getpaid_sanitize_recurring_period($period, $full);
     }
 
     /**
@@ -506,8 +506,8 @@ 
 	 * @param  string $context View or edit context.
 	 * @return string
 	 */
-	public function get_trial_interval( $context = 'view' ) {
-        return (int) $this->get_prop( 'trial_interval', $context );
+	public function get_trial_interval($context = 'view') {
+        return (int) $this->get_prop('trial_interval', $context);
     }
 
     /**
@@ -517,26 +517,26 @@ 
 	 * @param  string $context View or edit context.
 	 * @return float
 	 */
-	public function get_signup_fee( $context = 'view' ) {
-        return $this->get_prop( 'signup_fee', $context );
+	public function get_signup_fee($context = 'view') {
+        return $this->get_prop('signup_fee', $context);
     }
 
     /**
      * Margic method for retrieving a property.
      */
-    public function __get( $key ) {
+    public function __get($key) {
 
         // Check if we have a helper method for that.
-        if ( method_exists( $this, 'get_' . $key ) ) {
-            return call_user_func( array( $this, 'get_' . $key ) );
+        if (method_exists($this, 'get_' . $key)) {
+            return call_user_func(array($this, 'get_' . $key));
         }
         
         // Check if the key is in the associated $post object.
-        if ( ! empty( $this->post ) && isset( $this->post->$key ) ) {
+        if (!empty($this->post) && isset($this->post->$key)) {
             return $this->post->$key;
         }
 
-        return $this->get_prop( $key );
+        return $this->get_prop($key);
 
     }
 
@@ -555,11 +555,11 @@ 
 	 *
 	 * @since 1.0.19
 	 */
-	public function set_parent_id( $value ) {
-		if ( $value && ( $value === $this->get_id() || ! get_post( $value ) ) ) {
+	public function set_parent_id($value) {
+		if ($value && ($value === $this->get_id() || !get_post($value))) {
 			return;
 		}
-		$this->set_prop( 'parent_id', absint( $value ) );
+		$this->set_prop('parent_id', absint($value));
 	}
 
     /**
@@ -569,10 +569,10 @@ 
 	 * @param  string $status New status.
 	 * @return array details of change.
 	 */
-	public function set_status( $status ) {
+	public function set_status($status) {
         $old_status = $this->get_status();
         
-        $this->set_prop( 'status', $status );
+        $this->set_prop('status', $status);
 
 		return array(
 			'from' => $old_status,
@@ -586,8 +586,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value Value to set.
 	 */
-	public function set_version( $value ) {
-		return $this->set_prop( 'version', $value );
+	public function set_version($value) {
+		return $this->set_prop('version', $value);
     }
 
     /**
@@ -596,8 +596,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value Value to set.
 	 */
-	public function set_date_created( $value ) {
-		return $this->set_prop( 'date_created', $value );
+	public function set_date_created($value) {
+		return $this->set_prop('date_created', $value);
     }
 
     /**
@@ -606,8 +606,8 @@ 
 	 * @since 1.0.19
 	 * @param string $value Value to set.
 	 */
-	public function set_date_modified( $value ) {
-		return $this->set_prop( 'date_modified', $value );
+	public function set_date_modified($value) {
+		return $this->set_prop('date_modified', $value);
     }
 
     /**
@@ -617,8 +617,8 @@ 
 	 * @param  string $value New name.
 	 * @return string
 	 */
-	public function set_name( $value ) {
-		return $this->set_prop( 'name', $value );
+	public function set_name($value) {
+		return $this->set_prop('name', $value);
     }
 
     /**
@@ -628,8 +628,8 @@ 
 	 * @param  string $value New name.
 	 * @return string
 	 */
-	public function set_title( $value ) {
-		return $this->set_name( $value );
+	public function set_title($value) {
+		return $this->set_name($value);
     }
 
     /**
@@ -639,8 +639,8 @@ 
 	 * @param  string $value New description.
 	 * @return string
 	 */
-	public function set_description( $value ) {
-		return $this->set_prop( 'description', $value );
+	public function set_description($value) {
+		return $this->set_prop('description', $value);
     }
 
     /**
@@ -650,8 +650,8 @@ 
 	 * @param  string $value New description.
 	 * @return string
 	 */
-	public function set_excerpt( $value ) {
-		return $this->set_description( $value );
+	public function set_excerpt($value) {
+		return $this->set_description($value);
     }
 
     /**
@@ -660,8 +660,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value New description.
 	 */
-	public function set_summary( $value ) {
-		return $this->set_description( $value );
+	public function set_summary($value) {
+		return $this->set_description($value);
     }
 
     /**
@@ -670,8 +670,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value New author.
 	 */
-	public function set_author( $value ) {
-		$this->set_prop( 'author', (int) $value );
+	public function set_author($value) {
+		$this->set_prop('author', (int) $value);
     }
 
     /**
@@ -681,8 +681,8 @@ 
 	 * @param  float $value New price.
 	 * @return string
 	 */
-	public function set_price( $value ) {
-        $this->set_prop( 'price', wpinv_sanitize_amount( $value ) );
+	public function set_price($value) {
+        $this->set_prop('price', wpinv_sanitize_amount($value));
     }
 
     /**
@@ -691,8 +691,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value new rule.
 	 */
-	public function set_vat_rule( $value ) {
-        $this->set_prop( 'price', $value );
+	public function set_vat_rule($value) {
+        $this->set_prop('price', $value);
     }
 
     /**
@@ -701,8 +701,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value new class.
 	 */
-	public function set_vat_class( $value ) {
-        $this->set_prop( 'vat_class', $value );
+	public function set_vat_class($value) {
+        $this->set_prop('vat_class', $value);
     }
 
     /**
@@ -712,13 +712,13 @@ 
 	 * @param  string $value new item type.
 	 * @return string
 	 */
-	public function set_type( $value ) {
+	public function set_type($value) {
 
-        if ( empty( $value ) ) {
+        if (empty($value)) {
             $value = 'custom';
         }
 
-        $this->set_prop( 'type', $value );
+        $this->set_prop('type', $value);
     }
 
     /**
@@ -727,8 +727,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value new custom id.
 	 */
-	public function set_custom_id( $value ) {
-        $this->set_prop( 'custom_id', $value );
+	public function set_custom_id($value) {
+        $this->set_prop('custom_id', $value);
     }
 
     /**
@@ -737,8 +737,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value new custom id.
 	 */
-	public function set_custom_name( $value ) {
-        $this->set_prop( 'custom_name', $value );
+	public function set_custom_name($value) {
+        $this->set_prop('custom_name', $value);
     }
 
     /**
@@ -747,8 +747,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value new custom id.
 	 */
-	public function set_custom_singular_name( $value ) {
-        $this->set_prop( 'custom_singular_name', $value );
+	public function set_custom_singular_name($value) {
+        $this->set_prop('custom_singular_name', $value);
     }
 
     /**
@@ -757,8 +757,8 @@ 
 	 * @since 1.0.19
 	 * @param  bool $value whether or not the item is editable.
 	 */
-	public function set_is_editable( $value ) {
-        $this->set_prop( 'is_editable', (int) $value );
+	public function set_is_editable($value) {
+        $this->set_prop('is_editable', (int) $value);
     }
 
     /**
@@ -767,8 +767,8 @@ 
 	 * @since 1.0.19
 	 * @param  bool $value whether or not dynamic pricing is allowed.
 	 */
-	public function set_is_dynamic_pricing( $value ) {
-        $this->get_prop( 'is_dynamic_pricing', (int) $value );
+	public function set_is_dynamic_pricing($value) {
+        $this->get_prop('is_dynamic_pricing', (int) $value);
     }
 
     /**
@@ -777,8 +777,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value minimum price.
 	 */
-	public function set_minimum_price( $value ) {
-        $this->set_prop( 'minimum_price',  wpinv_sanitize_amount( $value ) );
+	public function set_minimum_price($value) {
+        $this->set_prop('minimum_price', wpinv_sanitize_amount($value));
     }
 
     /**
@@ -787,8 +787,8 @@ 
 	 * @since 1.0.19
 	 * @param  bool $value whether or not dynamic pricing is allowed.
 	 */
-	public function set_is_recurring( $value ) {
-        $this->set_prop( 'is_recurring', (int) $value );
+	public function set_is_recurring($value) {
+        $this->set_prop('is_recurring', (int) $value);
     }
 
     /**
@@ -797,8 +797,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value new period.
 	 */
-	public function set_recurring_period( $value ) {
-        $this->set_prop( 'recurring_period', $value );
+	public function set_recurring_period($value) {
+        $this->set_prop('recurring_period', $value);
     }
 
     /**
@@ -807,8 +807,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value recurring interval.
 	 */
-	public function set_recurring_interval( $value ) {
-        return $this->set_prop( 'recurring_interval', (int) $value );
+	public function set_recurring_interval($value) {
+        return $this->set_prop('recurring_interval', (int) $value);
     }
 
     /**
@@ -817,8 +817,8 @@ 
 	 * @param  int $value The recurring limit.
 	 * @return int
 	 */
-	public function set_recurring_limit( $value ) {
-        $this->get_prop( 'recurring_limit', (int) $value );
+	public function set_recurring_limit($value) {
+        $this->get_prop('recurring_limit', (int) $value);
     }
 
     /**
@@ -827,8 +827,8 @@ 
 	 * @since 1.0.19
 	 * @param  bool $value whether or not it has a free trial.
 	 */
-	public function set_is_free_trial( $value ) {
-        $this->set_prop( 'is_free_trial', (int) $value );
+	public function set_is_free_trial($value) {
+        $this->set_prop('is_free_trial', (int) $value);
     }
 
     /**
@@ -837,8 +837,8 @@ 
 	 * @since 1.0.19
 	 * @param  string $value trial period.
 	 */
-	public function set_trial_period( $value ) {
-        $this->set_prop( 'trial_period', $value );
+	public function set_trial_period($value) {
+        $this->set_prop('trial_period', $value);
     }
 
     /**
@@ -847,8 +847,8 @@ 
 	 * @since 1.0.19
 	 * @param  int $value trial interval.
 	 */
-	public function Set_trial_interval( $value ) {
-        $this->set_prop( 'trial_interval', $value );
+	public function Set_trial_interval($value) {
+        $this->set_prop('trial_interval', $value);
     }
 
     /**
@@ -857,8 +857,8 @@ 
 	 * @since 1.0.19
 	 * @param  float $value The signup fee.
 	 */
-	public function set_signup_fee( $value ) {
-        $this->set_prop( 'signup_fee', $value );
+	public function set_signup_fee($value) {
+        $this->set_prop('signup_fee', $value);
     }
 
     /**
@@ -866,7 +866,7 @@ 
      * 
      * @deprecated
      */
-    public function create( $data = array(), $wp_error = false ) {
+    public function create($data = array(), $wp_error = false) {
         $this->save();
     }
 
@@ -875,7 +875,7 @@ 
      * 
      * @deprecated
      */
-    public function update( $data = array(), $wp_error = false ) {
+    public function update($data = array(), $wp_error = false) {
         $this->save();
     }
 
@@ -907,7 +907,7 @@ 
     public function has_free_trial() {
         $has_trial = $this->is_recurring() && (bool) $this->get_free_trial() ? true : false;
 
-        return (bool) apply_filters( 'wpinv_item_has_free_trial', $has_trial, $this->ID, $this );
+        return (bool) apply_filters('wpinv_item_has_free_trial', $has_trial, $this->ID, $this);
     }
 
     /**
@@ -919,7 +919,7 @@ 
     public function has_signup_fee() {
         $has_signup_fee = $this->is_recurring() && $this->get_signup_fee() > 0 ? true : false;
 
-        return (bool) apply_filters( 'wpinv_item_has_signup_fee', $has_signup_fee, $this->ID, $this );
+        return (bool) apply_filters('wpinv_item_has_signup_fee', $has_signup_fee, $this->ID, $this);
     }
 
     /**
@@ -932,7 +932,7 @@ 
         $price   = (float) $this->get_price();
         $is_free = $price == 0;
 
-        return (bool) apply_filters( 'wpinv_is_free_item', $is_free, $this->ID );
+        return (bool) apply_filters('wpinv_is_free_item', $is_free, $this->ID);
 
     }
 
@@ -942,8 +942,8 @@ 
 	 * @param array|string $status Status to check.
 	 * @return bool
 	 */
-	public function has_status( $status ) {
-		return apply_filters( 'getpaid_item_has_status', ( is_array( $status ) && in_array( $this->get_status(), $status, true ) ) || $this->get_status() === $status, $this, $status );
+	public function has_status($status) {
+		return apply_filters('getpaid_item_has_status', (is_array($status) && in_array($this->get_status(), $status, true)) || $this->get_status() === $status, $this, $status);
     }
     
     /**
@@ -952,8 +952,8 @@ 
 	 * @param array|string $type Type to check.
 	 * @return bool
 	 */
-	public function is_type( $type ) {
-		return apply_filters( 'getpaid_item_is_type', ( is_array( $type ) && in_array( $this->get_type(), $type, true ) ) || $this->get_type() === $type, $this, $type );
+	public function is_type($type) {
+		return apply_filters('getpaid_item_is_type', (is_array($type) && in_array($this->get_type(), $type, true)) || $this->get_type() === $type, $this, $type);
 	}
 
     /**
@@ -964,7 +964,7 @@ 
 	 */
     public function is_editable() {
         $is_editable = (int) $this->get_is_editable();
-        return (bool) apply_filters( 'wpinv_item_is_editable', $is_editable, $this->ID );
+        return (bool) apply_filters('wpinv_item_is_editable', $is_editable, $this->ID);
     }
 
 
@@ -977,11 +977,11 @@ 
     public function can_purchase() {
         $can_purchase = null != $this->get_id();
 
-        if ( ! current_user_can( 'edit_post', $this->ID ) && $this->post_status != 'publish' ) {
+        if (!current_user_can('edit_post', $this->ID) && $this->post_status != 'publish') {
             $can_purchase = false;
         }
 
-        return (bool) apply_filters( 'wpinv_can_purchase_item', $can_purchase, $this );
+        return (bool) apply_filters('wpinv_can_purchase_item', $can_purchase, $this);
     }
 
     /**
@@ -991,6 +991,6 @@ 
 	 * @return bool
 	 */
     public function supports_dynamic_pricing() {
-        return (bool) apply_filters( 'wpinv_item_supports_dynamic_pricing', true, $this );
+        return (bool) apply_filters('wpinv_item_supports_dynamic_pricing', true, $this);
     }
 }

includes/wpinv-error-functions.php

Indentation +9 added lines, -9 removed lines

@@ -13,9 +13,9 @@ 
         ) );
         echo '<div class="' . implode( ' ', $classes ) . '">';
             // Loop error codes and display errors
-           foreach ( $errors as $error_id => $error ) {
+            foreach ( $errors as $error_id => $error ) {
                 echo '<p class="wpinv_error" id="wpinv_error_' . $error_id . '"><strong>' . __( 'Error', 'invoicing' ) . '</strong>: ' . $error . '</p>';
-           }
+            }
         echo '</div>';
         wpinv_clear_errors();
     }
@@ -79,13 +79,13 @@ 
  */
 function getpaid_doing_it_wrong( $function, $message, $version ) {
 
-	$message .= ' Backtrace: ' . wp_debug_backtrace_summary();
+    $message .= ' Backtrace: ' . wp_debug_backtrace_summary();
 
-	if ( is_ajax() || defined( 'REST_REQUEST' ) ) {
-		do_action( 'doing_it_wrong_run', $function, $message, $version );
-		error_log( "{$function} was called incorrectly. {$message}. This message was added in version {$version}." );
-	} else {
-		_doing_it_wrong( $function, $message, $version );
-	}
+    if ( is_ajax() || defined( 'REST_REQUEST' ) ) {
+        do_action( 'doing_it_wrong_run', $function, $message, $version );
+        error_log( "{$function} was called incorrectly. {$message}. This message was added in version {$version}." );
+    } else {
+        _doing_it_wrong( $function, $message, $version );
+    }
 
 }

Spacing +29 added lines, -29 removed lines

@@ -1,61 +1,61 @@ 
 <?php
 // 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_print_errors() {
     $errors = wpinv_get_errors();
 
-    if ( $errors ) {
-        $classes = apply_filters( 'wpinv_error_class', array(
+    if ($errors) {
+        $classes = apply_filters('wpinv_error_class', array(
             'wpinv_errors', 'wpinv-alert', 'wpinv-alert-error'
-        ) );
-        echo '<div class="' . implode( ' ', $classes ) . '">';
+        ));
+        echo '<div class="' . implode(' ', $classes) . '">';
             // Loop error codes and display errors
-           foreach ( $errors as $error_id => $error ) {
-                echo '<p class="wpinv_error" id="wpinv_error_' . $error_id . '"><strong>' . __( 'Error', 'invoicing' ) . '</strong>: ' . $error . '</p>';
+           foreach ($errors as $error_id => $error) {
+                echo '<p class="wpinv_error" id="wpinv_error_' . $error_id . '"><strong>' . __('Error', 'invoicing') . '</strong>: ' . $error . '</p>';
            }
         echo '</div>';
         wpinv_clear_errors();
     }
 }
-add_action( 'wpinv_purchase_form_before_submit', 'wpinv_print_errors' );
-add_action( 'wpinv_ajax_checkout_errors', 'wpinv_print_errors' );
+add_action('wpinv_purchase_form_before_submit', 'wpinv_print_errors');
+add_action('wpinv_ajax_checkout_errors', 'wpinv_print_errors');
 
 function wpinv_get_errors() {
     global $wpi_session;
     
-    return $wpi_session->get( 'wpinv_errors' );
+    return $wpi_session->get('wpinv_errors');
 }
 
-function wpinv_set_error( $error_id, $error_message ) {
+function wpinv_set_error($error_id, $error_message) {
     global $wpi_session;
     
     $errors = wpinv_get_errors();
 
-    if ( ! $errors ) {
+    if (!$errors) {
         $errors = array();
     }
 
-    $errors[ $error_id ] = $error_message;
-    $wpi_session->set( 'wpinv_errors', $errors );
+    $errors[$error_id] = $error_message;
+    $wpi_session->set('wpinv_errors', $errors);
 }
 
 function wpinv_clear_errors() {
     global $wpi_session;
     
-    $wpi_session->set( 'wpinv_errors', null );
+    $wpi_session->set('wpinv_errors', null);
 }
 
-function wpinv_unset_error( $error_id ) {
+function wpinv_unset_error($error_id) {
     global $wpi_session;
     
     $errors = wpinv_get_errors();
 
-    if ( $errors ) {
-        unset( $errors[ $error_id ] );
-        $wpi_session->set( 'wpinv_errors', $errors );
+    if ($errors) {
+        unset($errors[$error_id]);
+        $wpi_session->set('wpinv_errors', $errors);
     }
 }
 
@@ -63,10 +63,10 @@ 
     die();
 }
 
-function wpinv_die( $message = '', $title = '', $status = 400 ) {
-    add_filter( 'wp_die_ajax_handler', 'wpinv_die_handler', 10, 3 );
-    add_filter( 'wp_die_handler', 'wpinv_die_handler', 10, 3 );
-    wp_die( $message, $title, array( 'response' => $status ));
+function wpinv_die($message = '', $title = '', $status = 400) {
+    add_filter('wp_die_ajax_handler', 'wpinv_die_handler', 10, 3);
+    add_filter('wp_die_handler', 'wpinv_die_handler', 10, 3);
+    wp_die($message, $title, array('response' => $status));
 }
 
 /**
@@ -77,15 +77,15 @@ 
  * @param string $message Message to log.
  * @param string $version Version the message was added in.
  */
-function getpaid_doing_it_wrong( $function, $message, $version ) {
+function getpaid_doing_it_wrong($function, $message, $version) {
 
 	$message .= ' Backtrace: ' . wp_debug_backtrace_summary();
 
-	if ( is_ajax() || defined( 'REST_REQUEST' ) ) {
-		do_action( 'doing_it_wrong_run', $function, $message, $version );
-		error_log( "{$function} was called incorrectly. {$message}. This message was added in version {$version}." );
+	if (is_ajax() || defined('REST_REQUEST')) {
+		do_action('doing_it_wrong_run', $function, $message, $version);
+		error_log("{$function} was called incorrectly. {$message}. This message was added in version {$version}.");
 	} else {
-		_doing_it_wrong( $function, $message, $version );
+		_doing_it_wrong($function, $message, $version);
 	}
 
 }

includes/data-stores/class-getpaid-item-data-store-cpt.php

Indentation +300 added lines, -300 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -14,314 +14,314 @@ 
  */
 abstract class GetPaid_Item_Data_Store_CPT extends GetPaid_Data_Store_WP {
 
-	/**
-	 * Internal meta type used to store order data.
-	 *
-	 * @var string
-	 */
-	protected $meta_type = 'post';
-
-	/**
-	 * Data stored in meta keys, but not considered "meta" for an item.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $internal_meta_keys = array(
-		'_wpinv_price',
-		'_wpinv_vat_rule',
-		'_wpinv_vat_class',
-		'_wpinv_type',
-		'_wpinv_custom_id',
-		'_wpinv_custom_name',
-		'_wpinv_custom_singular_name',
-		'_wpinv_editable',
-		'_wpinv_dynamic_pricing',
-		'_minimum_price',
-		'_wpinv_is_recurring',
-		'_wpinv_recurring_period',
-		'_wpinv_recurring_interval',
-		'_wpinv_recurring_limit',
-		'_wpinv_free_trial',
-		'_wpinv_trial_period',
-		'_wpinv_signup_fee',
-		'_wpinv_trial_interval'
-	);
-
-	/*
+    /**
+     * Internal meta type used to store order data.
+     *
+     * @var string
+     */
+    protected $meta_type = 'post';
+
+    /**
+     * Data stored in meta keys, but not considered "meta" for an item.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $internal_meta_keys = array(
+        '_wpinv_price',
+        '_wpinv_vat_rule',
+        '_wpinv_vat_class',
+        '_wpinv_type',
+        '_wpinv_custom_id',
+        '_wpinv_custom_name',
+        '_wpinv_custom_singular_name',
+        '_wpinv_editable',
+        '_wpinv_dynamic_pricing',
+        '_minimum_price',
+        '_wpinv_is_recurring',
+        '_wpinv_recurring_period',
+        '_wpinv_recurring_interval',
+        '_wpinv_recurring_limit',
+        '_wpinv_free_trial',
+        '_wpinv_trial_period',
+        '_wpinv_signup_fee',
+        '_wpinv_trial_interval'
+    );
+
+    /*
 	|--------------------------------------------------------------------------
 	| CRUD Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Method to create a new item in the database.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 */
-	public function create( &$item ) {
-		$item->set_version( WPINV_VERSION );
-		$item->set_date_created( current_time('mysql') );
-
-		$id = wp_insert_post(
-			apply_filters(
-				'getpaid_new_item_data',
-				array(
-					'post_date'     => $item->get_date_created( 'edit' ),
-					'post_type'     => 'wpi_item',
-					'post_status'   => $this->get_post_status( $item ),
-					'ping_status'   => 'closed',
-					'post_author'   => $item->get_author( 'edit' ),
-					'post_title'    => $item->get_title( 'edit' ),
-					'post_parent'   => 0,
-					'post_excerpt'  => $item->get_description( 'edit' ),
-				)
-			),
-			true
-		);
-
-		if ( $id && ! is_wp_error( $id ) ) {
-			$item->set_id( $id );
-			$this->update_post_meta( $item );
-			$item->save_meta_data();
-			$item->apply_changes();
-			$this->clear_caches( $item );
-		}
-	}
-
-	/**
-	 * Method to read an order from the database.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 *
-	 * @throws Exception If passed item is invalid.
-	 */
-	public function read( &$item ) {
-		$item->set_defaults();
-		$item_object = get_post( $item->get_id() );
-
-		if ( ! $item->get_id() || ! $item_object || ! $item_object->post_type != 'wpi_item' ) {
-			throw new Exception( __( 'Invalid item.', 'invoicing' ) );
-		}
-
-		$item->set_props(
-			array(
-				'parent_id'     => $item_object->post_parent,
-				'date_created'  => 0 < $item_object->post_date_gmt ? $item_object->post_date_gmt : null,
-				'date_modified' => 0 < $item_object->post_modified_gmt ? $item_object->post_modified_gmt : null,
-				'status'        => $item_object->post_status,
-				'name'          => $item_object->post_title,
-				'description'   => $item_object->post_excerpt,
-				'author'        => $item_object->post_author,
-			)
-		);
-
-		$this->read_item_data( $item, $item_object );
-		$item->read_meta_data();
-		$item->set_object_read( true );
-
-	}
-
-	/**
-	 * Method to update an item in the database.
-	 *
-	 * @param WPInv_Item $item Order object.
-	 */
-	public function update( &$item ) {
-		$item->save_meta_data();
-		$item->set_version( WPINV_VERSION );
-
-		if ( null === $item->get_date_created( 'edit' ) ) {
-			$item->set_date_created(  current_time('mysql') );
-		}
-
-		$changes = $item->get_changes();
-
-		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'parent_id', 'post_excerpt' ), array_keys( $changes ) ) ) {
-			$post_data = array(
-				'post_date'         => $item->get_date_created( 'edit' ),
-				'post_status'       => $item->get_status( $item ),
-				'post_parent'       => $item->get_parent_id(),
-				'post_excerpt'      => $item->get_description(),
-				'post_modified'     => $item->get_date_modified( 'edit' ),
-			);
-
-			/**
-			 * When updating this object, to prevent infinite loops, use $wpdb
-			 * to update data, since wp_update_post spawns more calls to the
-			 * save_post action.
-			 *
-			 * This ensures hooks are fired by either WP itself (admin screen save),
-			 * or an update purely from CRUD.
-			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $item->get_id() ) );
-				clean_post_cache( $item->get_id() );
-			} else {
-				wp_update_post( array_merge( array( 'ID' => $item->get_id() ), $post_data ) );
-			}
-			$item->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
-		}
-		$this->update_post_meta( $item );
-		$item->apply_changes();
-		$this->clear_caches( $item );
-	}
-
-	/**
-	 * Method to delete an item from the database.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 * @param array    $args Array of args to pass to the delete method.
-	 *
-	 * @return void
-	 */
-	public function delete( &$item, $args = array() ) {
-		$id   = $item->get_id();
-		$args = wp_parse_args(
-			$args,
-			array(
-				'force_delete' => false,
-			)
-		);
-
-		if ( ! $id ) {
-			return;
-		}
-
-		if ( $args['force_delete'] ) {
-			wp_delete_post( $id );
-			$item->set_id( 0 );
-			do_action( 'getpaid_delete_item', $id );
-		} else {
-			wp_trash_post( $id );
-			$item->set_status( 'trash' );
-			do_action( 'getpaid_trash_item', $id );
-		}
-	}
-
-	/*
+    /**
+     * Method to create a new item in the database.
+     *
+     * @param WPInv_Item $item Item object.
+     */
+    public function create( &$item ) {
+        $item->set_version( WPINV_VERSION );
+        $item->set_date_created( current_time('mysql') );
+
+        $id = wp_insert_post(
+            apply_filters(
+                'getpaid_new_item_data',
+                array(
+                    'post_date'     => $item->get_date_created( 'edit' ),
+                    'post_type'     => 'wpi_item',
+                    'post_status'   => $this->get_post_status( $item ),
+                    'ping_status'   => 'closed',
+                    'post_author'   => $item->get_author( 'edit' ),
+                    'post_title'    => $item->get_title( 'edit' ),
+                    'post_parent'   => 0,
+                    'post_excerpt'  => $item->get_description( 'edit' ),
+                )
+            ),
+            true
+        );
+
+        if ( $id && ! is_wp_error( $id ) ) {
+            $item->set_id( $id );
+            $this->update_post_meta( $item );
+            $item->save_meta_data();
+            $item->apply_changes();
+            $this->clear_caches( $item );
+        }
+    }
+
+    /**
+     * Method to read an order from the database.
+     *
+     * @param WPInv_Item $item Item object.
+     *
+     * @throws Exception If passed item is invalid.
+     */
+    public function read( &$item ) {
+        $item->set_defaults();
+        $item_object = get_post( $item->get_id() );
+
+        if ( ! $item->get_id() || ! $item_object || ! $item_object->post_type != 'wpi_item' ) {
+            throw new Exception( __( 'Invalid item.', 'invoicing' ) );
+        }
+
+        $item->set_props(
+            array(
+                'parent_id'     => $item_object->post_parent,
+                'date_created'  => 0 < $item_object->post_date_gmt ? $item_object->post_date_gmt : null,
+                'date_modified' => 0 < $item_object->post_modified_gmt ? $item_object->post_modified_gmt : null,
+                'status'        => $item_object->post_status,
+                'name'          => $item_object->post_title,
+                'description'   => $item_object->post_excerpt,
+                'author'        => $item_object->post_author,
+            )
+        );
+
+        $this->read_item_data( $item, $item_object );
+        $item->read_meta_data();
+        $item->set_object_read( true );
+
+    }
+
+    /**
+     * Method to update an item in the database.
+     *
+     * @param WPInv_Item $item Order object.
+     */
+    public function update( &$item ) {
+        $item->save_meta_data();
+        $item->set_version( WPINV_VERSION );
+
+        if ( null === $item->get_date_created( 'edit' ) ) {
+            $item->set_date_created(  current_time('mysql') );
+        }
+
+        $changes = $item->get_changes();
+
+        // Only update the post when the post data changes.
+        if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'parent_id', 'post_excerpt' ), array_keys( $changes ) ) ) {
+            $post_data = array(
+                'post_date'         => $item->get_date_created( 'edit' ),
+                'post_status'       => $item->get_status( $item ),
+                'post_parent'       => $item->get_parent_id(),
+                'post_excerpt'      => $item->get_description(),
+                'post_modified'     => $item->get_date_modified( 'edit' ),
+            );
+
+            /**
+             * When updating this object, to prevent infinite loops, use $wpdb
+             * to update data, since wp_update_post spawns more calls to the
+             * save_post action.
+             *
+             * This ensures hooks are fired by either WP itself (admin screen save),
+             * or an update purely from CRUD.
+             */
+            if ( doing_action( 'save_post' ) ) {
+                $GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $item->get_id() ) );
+                clean_post_cache( $item->get_id() );
+            } else {
+                wp_update_post( array_merge( array( 'ID' => $item->get_id() ), $post_data ) );
+            }
+            $item->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+        }
+        $this->update_post_meta( $item );
+        $item->apply_changes();
+        $this->clear_caches( $item );
+    }
+
+    /**
+     * Method to delete an item from the database.
+     *
+     * @param WPInv_Item $item Item object.
+     * @param array    $args Array of args to pass to the delete method.
+     *
+     * @return void
+     */
+    public function delete( &$item, $args = array() ) {
+        $id   = $item->get_id();
+        $args = wp_parse_args(
+            $args,
+            array(
+                'force_delete' => false,
+            )
+        );
+
+        if ( ! $id ) {
+            return;
+        }
+
+        if ( $args['force_delete'] ) {
+            wp_delete_post( $id );
+            $item->set_id( 0 );
+            do_action( 'getpaid_delete_item', $id );
+        } else {
+            wp_trash_post( $id );
+            $item->set_status( 'trash' );
+            do_action( 'getpaid_trash_item', $id );
+        }
+    }
+
+    /*
 	|--------------------------------------------------------------------------
 	| Additional Methods
 	|--------------------------------------------------------------------------
 	*/
 
-	/**
-	 * Get the status to save to the post object.
-	 *
-	 *
-	 * @since 1.0.19
-	 * @param  WPInv_item $item Item object.
-	 * @return string
-	 */
-	protected function get_post_status( $item ) {
-		$item_status = $item->get_status( 'edit' );
-
-		if ( ! $item_status ) {
-			$item_status = apply_filters( 'getpaid_default_item_status', 'draft' );
-		}
-
-		return $item_status;
-	}
-
-	/**
-	 * Read item data.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 * @param object   $post_object Post object.
-	 * @since 1.0.19
-	 */
-	protected function read_order_data( &$item, $post_object ) {
-		$id = $item->get_id();
-
-		// Set item properties.
-		$item->set_props(
-			array(
-				'price'                => get_post_meta( $id, '_wpinv_price', true ),
-				'vat_rule'             => get_post_meta( $id, '_wpinv_vat_rule', true ),
-				'vat_class'            => get_post_meta( $id, '_wpinv_vat_class', true ),
-				'type'                 => get_post_meta( $id, '_wpinv_type', true ),
-				'custom_id'            => get_post_meta( $id, '_wpinv_custom_id', true ),
-				'custom_name'          => get_post_meta( $id, '_wpinv_custom_name', true ),
-				'custom_singular_name' => get_post_meta( $id, '_wpinv_custom_singular_name', true ),
-				'is_editable'          => get_post_meta( $id, '_wpinv_editable', true ),
-				'is_dynamic_pricing'   => get_post_meta( $id, '_wpinv_dynamic_pricing', true ),
-				'minimum_price'        => get_post_meta( $id, '_minimum_price', true ),
-				'is_recurring'         => get_post_meta( $id, '_wpinv_is_recurring', true ),
-				'recurring_period'     => get_post_meta( $id, '_wpinv_recurring_period', true ),
-				'recurring_interval'   => get_post_meta( $id, '_wpinv_recurring_interval', true ),
-				'recurring_limit'      => get_post_meta( $id, '_wpinv_recurring_limit', true ),
-				'is_free_trial'        => get_post_meta( $id, '_wpinv_free_trial', true ),
-				'trial_period'         => get_post_meta( $id, '_wpinv_trial_period', true ),
-				'signup_fee'           => get_post_meta( $id, '_wpinv_signup_fee', true ),
-				'trial_interval'       => get_post_meta( $id, '_wpinv_trial_interval', true ),
-			)
-		);
-
-		// Gets extra data associated with the item if needed.
-		foreach ( $item->get_extra_data_keys() as $key ) {
-			$function = 'set_' . $key;
-			if ( is_callable( array( $item, $function ) ) ) {
-				$item->{$function}( get_post_meta( $item->get_id(), '_' . $key, true ) );
-			}
-		}
-	}
-
-	/**
-	 * Helper method that updates all the post meta for an item based on it's settings in the WPInv_Item class.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 * @since 1.0.19
-	 */
-	protected function update_post_meta( &$item ) {
-		$updated_props     = array();
-
-		$meta_key_to_props = array(
-			'_wpinv_price'                => 'price',
-			'_wpinv_vat_rule'             => 'vat_rule',
-			'_wpinv_vat_class'            => 'vat_class',
-			'_wpinv_type'                 => 'type',
-			'_wpinv_custom_id'            => 'custom_id',
-			'_wpinv_custom_name'          => 'custom_name',
-			'_wpinv_custom_singular_name' => 'custom_singular_name',
-			'_wpinv_editable'             => 'is_editable',
-			'_wpinv_dynamic_pricing'      => 'is_dynamic_pricing',
-			'_minimum_price'              => 'minimum_price',
-			'_wpinv_custom_name'          => 'custom_name',
-			'_wpinv_is_recurring'         => 'is_recurring',
-			'_wpinv_recurring_period'     => 'recurring_period',
-			'_wpinv_recurring_interval'   => 'recurring_interval',
-			'_wpinv_recurring_limit'      => 'recurring_limit',
-			'_wpinv_free_trial'           => 'is_free_trial',
-			'_wpinv_trial_period'         => 'trial_period',
-			'_wpinv_signup_fee'           => 'signup_fee',
-			'_wpinv_trial_interval'       => 'trial_interval',
-		);
-
-		$props_to_update = $this->get_props_to_update( $item, $meta_key_to_props );
-
-		foreach ( $props_to_update as $meta_key => $prop ) {
-			$value = $item->{"get_$prop"}( 'edit' );
-			$value = is_string( $value ) ? wp_slash( $value ) : $value;
-
-			$updated = $this->update_or_delete_post_meta( $item, $meta_key, $value );
-
-			if ( $updated ) {
-				$updated_props[] = $prop;
-			}
-		}
-
-		do_action( 'getpaid_item_object_updated_props', $item, $updated_props );
-	}
-
-	/**
-	 * Clear any caches.
-	 *
-	 * @param WPInv_Item $item Item object.
-	 * @since 1.0.19
-	 */
-	protected function clear_caches( &$item ) {
-		clean_post_cache( $item->get_id() );
-	}
+    /**
+     * Get the status to save to the post object.
+     *
+     *
+     * @since 1.0.19
+     * @param  WPInv_item $item Item object.
+     * @return string
+     */
+    protected function get_post_status( $item ) {
+        $item_status = $item->get_status( 'edit' );
+
+        if ( ! $item_status ) {
+            $item_status = apply_filters( 'getpaid_default_item_status', 'draft' );
+        }
+
+        return $item_status;
+    }
+
+    /**
+     * Read item data.
+     *
+     * @param WPInv_Item $item Item object.
+     * @param object   $post_object Post object.
+     * @since 1.0.19
+     */
+    protected function read_order_data( &$item, $post_object ) {
+        $id = $item->get_id();
+
+        // Set item properties.
+        $item->set_props(
+            array(
+                'price'                => get_post_meta( $id, '_wpinv_price', true ),
+                'vat_rule'             => get_post_meta( $id, '_wpinv_vat_rule', true ),
+                'vat_class'            => get_post_meta( $id, '_wpinv_vat_class', true ),
+                'type'                 => get_post_meta( $id, '_wpinv_type', true ),
+                'custom_id'            => get_post_meta( $id, '_wpinv_custom_id', true ),
+                'custom_name'          => get_post_meta( $id, '_wpinv_custom_name', true ),
+                'custom_singular_name' => get_post_meta( $id, '_wpinv_custom_singular_name', true ),
+                'is_editable'          => get_post_meta( $id, '_wpinv_editable', true ),
+                'is_dynamic_pricing'   => get_post_meta( $id, '_wpinv_dynamic_pricing', true ),
+                'minimum_price'        => get_post_meta( $id, '_minimum_price', true ),
+                'is_recurring'         => get_post_meta( $id, '_wpinv_is_recurring', true ),
+                'recurring_period'     => get_post_meta( $id, '_wpinv_recurring_period', true ),
+                'recurring_interval'   => get_post_meta( $id, '_wpinv_recurring_interval', true ),
+                'recurring_limit'      => get_post_meta( $id, '_wpinv_recurring_limit', true ),
+                'is_free_trial'        => get_post_meta( $id, '_wpinv_free_trial', true ),
+                'trial_period'         => get_post_meta( $id, '_wpinv_trial_period', true ),
+                'signup_fee'           => get_post_meta( $id, '_wpinv_signup_fee', true ),
+                'trial_interval'       => get_post_meta( $id, '_wpinv_trial_interval', true ),
+            )
+        );
+
+        // Gets extra data associated with the item if needed.
+        foreach ( $item->get_extra_data_keys() as $key ) {
+            $function = 'set_' . $key;
+            if ( is_callable( array( $item, $function ) ) ) {
+                $item->{$function}( get_post_meta( $item->get_id(), '_' . $key, true ) );
+            }
+        }
+    }
+
+    /**
+     * Helper method that updates all the post meta for an item based on it's settings in the WPInv_Item class.
+     *
+     * @param WPInv_Item $item Item object.
+     * @since 1.0.19
+     */
+    protected function update_post_meta( &$item ) {
+        $updated_props     = array();
+
+        $meta_key_to_props = array(
+            '_wpinv_price'                => 'price',
+            '_wpinv_vat_rule'             => 'vat_rule',
+            '_wpinv_vat_class'            => 'vat_class',
+            '_wpinv_type'                 => 'type',
+            '_wpinv_custom_id'            => 'custom_id',
+            '_wpinv_custom_name'          => 'custom_name',
+            '_wpinv_custom_singular_name' => 'custom_singular_name',
+            '_wpinv_editable'             => 'is_editable',
+            '_wpinv_dynamic_pricing'      => 'is_dynamic_pricing',
+            '_minimum_price'              => 'minimum_price',
+            '_wpinv_custom_name'          => 'custom_name',
+            '_wpinv_is_recurring'         => 'is_recurring',
+            '_wpinv_recurring_period'     => 'recurring_period',
+            '_wpinv_recurring_interval'   => 'recurring_interval',
+            '_wpinv_recurring_limit'      => 'recurring_limit',
+            '_wpinv_free_trial'           => 'is_free_trial',
+            '_wpinv_trial_period'         => 'trial_period',
+            '_wpinv_signup_fee'           => 'signup_fee',
+            '_wpinv_trial_interval'       => 'trial_interval',
+        );
+
+        $props_to_update = $this->get_props_to_update( $item, $meta_key_to_props );
+
+        foreach ( $props_to_update as $meta_key => $prop ) {
+            $value = $item->{"get_$prop"}( 'edit' );
+            $value = is_string( $value ) ? wp_slash( $value ) : $value;
+
+            $updated = $this->update_or_delete_post_meta( $item, $meta_key, $value );
+
+            if ( $updated ) {
+                $updated_props[] = $prop;
+            }
+        }
+
+        do_action( 'getpaid_item_object_updated_props', $item, $updated_props );
+    }
+
+    /**
+     * Clear any caches.
+     *
+     * @param WPInv_Item $item Item object.
+     * @since 1.0.19
+     */
+    protected function clear_caches( &$item ) {
+        clean_post_cache( $item->get_id() );
+    }
 
 }

Spacing +79 added lines, -79 removed lines

@@ -3,7 +3,7 @@ 
  * GetPaid_Order_Data_Store_CPT class file.
  *
  */
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -59,33 +59,33 @@ 
 	 *
 	 * @param WPInv_Item $item Item object.
 	 */
-	public function create( &$item ) {
-		$item->set_version( WPINV_VERSION );
-		$item->set_date_created( current_time('mysql') );
+	public function create(&$item) {
+		$item->set_version(WPINV_VERSION);
+		$item->set_date_created(current_time('mysql'));
 
 		$id = wp_insert_post(
 			apply_filters(
 				'getpaid_new_item_data',
 				array(
-					'post_date'     => $item->get_date_created( 'edit' ),
+					'post_date'     => $item->get_date_created('edit'),
 					'post_type'     => 'wpi_item',
-					'post_status'   => $this->get_post_status( $item ),
+					'post_status'   => $this->get_post_status($item),
 					'ping_status'   => 'closed',
-					'post_author'   => $item->get_author( 'edit' ),
-					'post_title'    => $item->get_title( 'edit' ),
+					'post_author'   => $item->get_author('edit'),
+					'post_title'    => $item->get_title('edit'),
 					'post_parent'   => 0,
-					'post_excerpt'  => $item->get_description( 'edit' ),
+					'post_excerpt'  => $item->get_description('edit'),
 				)
 			),
 			true
 		);
 
-		if ( $id && ! is_wp_error( $id ) ) {
-			$item->set_id( $id );
-			$this->update_post_meta( $item );
+		if ($id && !is_wp_error($id)) {
+			$item->set_id($id);
+			$this->update_post_meta($item);
 			$item->save_meta_data();
 			$item->apply_changes();
-			$this->clear_caches( $item );
+			$this->clear_caches($item);
 		}
 	}
 
@@ -96,12 +96,12 @@ 
 	 *
 	 * @throws Exception If passed item is invalid.
 	 */
-	public function read( &$item ) {
+	public function read(&$item) {
 		$item->set_defaults();
-		$item_object = get_post( $item->get_id() );
+		$item_object = get_post($item->get_id());
 
-		if ( ! $item->get_id() || ! $item_object || ! $item_object->post_type != 'wpi_item' ) {
-			throw new Exception( __( 'Invalid item.', 'invoicing' ) );
+		if (!$item->get_id() || !$item_object || !$item_object->post_type != 'wpi_item') {
+			throw new Exception(__('Invalid item.', 'invoicing'));
 		}
 
 		$item->set_props(
@@ -116,9 +116,9 @@ 
 			)
 		);
 
-		$this->read_item_data( $item, $item_object );
+		$this->read_item_data($item, $item_object);
 		$item->read_meta_data();
-		$item->set_object_read( true );
+		$item->set_object_read(true);
 
 	}
 
@@ -127,24 +127,24 @@ 
 	 *
 	 * @param WPInv_Item $item Order object.
 	 */
-	public function update( &$item ) {
+	public function update(&$item) {
 		$item->save_meta_data();
-		$item->set_version( WPINV_VERSION );
+		$item->set_version(WPINV_VERSION);
 
-		if ( null === $item->get_date_created( 'edit' ) ) {
-			$item->set_date_created(  current_time('mysql') );
+		if (null === $item->get_date_created('edit')) {
+			$item->set_date_created(current_time('mysql'));
 		}
 
 		$changes = $item->get_changes();
 
 		// Only update the post when the post data changes.
-		if ( array_intersect( array( 'date_created', 'date_modified', 'status', 'parent_id', 'post_excerpt' ), array_keys( $changes ) ) ) {
+		if (array_intersect(array('date_created', 'date_modified', 'status', 'parent_id', 'post_excerpt'), array_keys($changes))) {
 			$post_data = array(
-				'post_date'         => $item->get_date_created( 'edit' ),
-				'post_status'       => $item->get_status( $item ),
+				'post_date'         => $item->get_date_created('edit'),
+				'post_status'       => $item->get_status($item),
 				'post_parent'       => $item->get_parent_id(),
 				'post_excerpt'      => $item->get_description(),
-				'post_modified'     => $item->get_date_modified( 'edit' ),
+				'post_modified'     => $item->get_date_modified('edit'),
 			);
 
 			/**
@@ -155,17 +155,17 @@ 
 			 * This ensures hooks are fired by either WP itself (admin screen save),
 			 * or an update purely from CRUD.
 			 */
-			if ( doing_action( 'save_post' ) ) {
-				$GLOBALS['wpdb']->update( $GLOBALS['wpdb']->posts, $post_data, array( 'ID' => $item->get_id() ) );
-				clean_post_cache( $item->get_id() );
+			if (doing_action('save_post')) {
+				$GLOBALS['wpdb']->update($GLOBALS['wpdb']->posts, $post_data, array('ID' => $item->get_id()));
+				clean_post_cache($item->get_id());
 			} else {
-				wp_update_post( array_merge( array( 'ID' => $item->get_id() ), $post_data ) );
+				wp_update_post(array_merge(array('ID' => $item->get_id()), $post_data));
 			}
-			$item->read_meta_data( true ); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
+			$item->read_meta_data(true); // Refresh internal meta data, in case things were hooked into `save_post` or another WP hook.
 		}
-		$this->update_post_meta( $item );
+		$this->update_post_meta($item);
 		$item->apply_changes();
-		$this->clear_caches( $item );
+		$this->clear_caches($item);
 	}
 
 	/**
@@ -176,7 +176,7 @@ 
 	 *
 	 * @return void
 	 */
-	public function delete( &$item, $args = array() ) {
+	public function delete(&$item, $args = array()) {
 		$id   = $item->get_id();
 		$args = wp_parse_args(
 			$args,
@@ -185,18 +185,18 @@ 
 			)
 		);
 
-		if ( ! $id ) {
+		if (!$id) {
 			return;
 		}
 
-		if ( $args['force_delete'] ) {
-			wp_delete_post( $id );
-			$item->set_id( 0 );
-			do_action( 'getpaid_delete_item', $id );
+		if ($args['force_delete']) {
+			wp_delete_post($id);
+			$item->set_id(0);
+			do_action('getpaid_delete_item', $id);
 		} else {
-			wp_trash_post( $id );
-			$item->set_status( 'trash' );
-			do_action( 'getpaid_trash_item', $id );
+			wp_trash_post($id);
+			$item->set_status('trash');
+			do_action('getpaid_trash_item', $id);
 		}
 	}
 
@@ -214,11 +214,11 @@ 
 	 * @param  WPInv_item $item Item object.
 	 * @return string
 	 */
-	protected function get_post_status( $item ) {
-		$item_status = $item->get_status( 'edit' );
+	protected function get_post_status($item) {
+		$item_status = $item->get_status('edit');
 
-		if ( ! $item_status ) {
-			$item_status = apply_filters( 'getpaid_default_item_status', 'draft' );
+		if (!$item_status) {
+			$item_status = apply_filters('getpaid_default_item_status', 'draft');
 		}
 
 		return $item_status;
@@ -231,38 +231,38 @@ 
 	 * @param object   $post_object Post object.
 	 * @since 1.0.19
 	 */
-	protected function read_order_data( &$item, $post_object ) {
+	protected function read_order_data(&$item, $post_object) {
 		$id = $item->get_id();
 
 		// Set item properties.
 		$item->set_props(
 			array(
-				'price'                => get_post_meta( $id, '_wpinv_price', true ),
-				'vat_rule'             => get_post_meta( $id, '_wpinv_vat_rule', true ),
-				'vat_class'            => get_post_meta( $id, '_wpinv_vat_class', true ),
-				'type'                 => get_post_meta( $id, '_wpinv_type', true ),
-				'custom_id'            => get_post_meta( $id, '_wpinv_custom_id', true ),
-				'custom_name'          => get_post_meta( $id, '_wpinv_custom_name', true ),
-				'custom_singular_name' => get_post_meta( $id, '_wpinv_custom_singular_name', true ),
-				'is_editable'          => get_post_meta( $id, '_wpinv_editable', true ),
-				'is_dynamic_pricing'   => get_post_meta( $id, '_wpinv_dynamic_pricing', true ),
-				'minimum_price'        => get_post_meta( $id, '_minimum_price', true ),
-				'is_recurring'         => get_post_meta( $id, '_wpinv_is_recurring', true ),
-				'recurring_period'     => get_post_meta( $id, '_wpinv_recurring_period', true ),
-				'recurring_interval'   => get_post_meta( $id, '_wpinv_recurring_interval', true ),
-				'recurring_limit'      => get_post_meta( $id, '_wpinv_recurring_limit', true ),
-				'is_free_trial'        => get_post_meta( $id, '_wpinv_free_trial', true ),
-				'trial_period'         => get_post_meta( $id, '_wpinv_trial_period', true ),
-				'signup_fee'           => get_post_meta( $id, '_wpinv_signup_fee', true ),
-				'trial_interval'       => get_post_meta( $id, '_wpinv_trial_interval', true ),
+				'price'                => get_post_meta($id, '_wpinv_price', true),
+				'vat_rule'             => get_post_meta($id, '_wpinv_vat_rule', true),
+				'vat_class'            => get_post_meta($id, '_wpinv_vat_class', true),
+				'type'                 => get_post_meta($id, '_wpinv_type', true),
+				'custom_id'            => get_post_meta($id, '_wpinv_custom_id', true),
+				'custom_name'          => get_post_meta($id, '_wpinv_custom_name', true),
+				'custom_singular_name' => get_post_meta($id, '_wpinv_custom_singular_name', true),
+				'is_editable'          => get_post_meta($id, '_wpinv_editable', true),
+				'is_dynamic_pricing'   => get_post_meta($id, '_wpinv_dynamic_pricing', true),
+				'minimum_price'        => get_post_meta($id, '_minimum_price', true),
+				'is_recurring'         => get_post_meta($id, '_wpinv_is_recurring', true),
+				'recurring_period'     => get_post_meta($id, '_wpinv_recurring_period', true),
+				'recurring_interval'   => get_post_meta($id, '_wpinv_recurring_interval', true),
+				'recurring_limit'      => get_post_meta($id, '_wpinv_recurring_limit', true),
+				'is_free_trial'        => get_post_meta($id, '_wpinv_free_trial', true),
+				'trial_period'         => get_post_meta($id, '_wpinv_trial_period', true),
+				'signup_fee'           => get_post_meta($id, '_wpinv_signup_fee', true),
+				'trial_interval'       => get_post_meta($id, '_wpinv_trial_interval', true),
 			)
 		);
 
 		// Gets extra data associated with the item if needed.
-		foreach ( $item->get_extra_data_keys() as $key ) {
+		foreach ($item->get_extra_data_keys() as $key) {
 			$function = 'set_' . $key;
-			if ( is_callable( array( $item, $function ) ) ) {
-				$item->{$function}( get_post_meta( $item->get_id(), '_' . $key, true ) );
+			if (is_callable(array($item, $function))) {
+				$item->{$function}(get_post_meta($item->get_id(), '_' . $key, true));
 			}
 		}
 	}
@@ -273,7 +273,7 @@ 
 	 * @param WPInv_Item $item Item object.
 	 * @since 1.0.19
 	 */
-	protected function update_post_meta( &$item ) {
+	protected function update_post_meta(&$item) {
 		$updated_props     = array();
 
 		$meta_key_to_props = array(
@@ -298,20 +298,20 @@ 
 			'_wpinv_trial_interval'       => 'trial_interval',
 		);
 
-		$props_to_update = $this->get_props_to_update( $item, $meta_key_to_props );
+		$props_to_update = $this->get_props_to_update($item, $meta_key_to_props);
 
-		foreach ( $props_to_update as $meta_key => $prop ) {
-			$value = $item->{"get_$prop"}( 'edit' );
-			$value = is_string( $value ) ? wp_slash( $value ) : $value;
+		foreach ($props_to_update as $meta_key => $prop) {
+			$value = $item->{"get_$prop"}('edit');
+			$value = is_string($value) ? wp_slash($value) : $value;
 
-			$updated = $this->update_or_delete_post_meta( $item, $meta_key, $value );
+			$updated = $this->update_or_delete_post_meta($item, $meta_key, $value);
 
-			if ( $updated ) {
+			if ($updated) {
 				$updated_props[] = $prop;
 			}
 		}
 
-		do_action( 'getpaid_item_object_updated_props', $item, $updated_props );
+		do_action('getpaid_item_object_updated_props', $item, $updated_props);
 	}
 
 	/**
@@ -320,8 +320,8 @@ 
 	 * @param WPInv_Item $item Item object.
 	 * @since 1.0.19
 	 */
-	protected function clear_caches( &$item ) {
-		clean_post_cache( $item->get_id() );
+	protected function clear_caches(&$item) {
+		clean_post_cache($item->get_id());
 	}
 
 }

includes/data-stores/class-getpaid-data-store.php

Indentation +167 added lines, -167 removed lines

@@ -11,171 +11,171 @@
  */
 class GetPaid_Data_Store {
 
-	/**
-	 * Contains an instance of the data store class that we are working with.
-	 *
-	 * @var GetPaid_Data_Store
-	 */
-	private $instance = null;
-
-	/**
-	 * Contains an array of default GetPaid supported data stores.
-	 * Format of object name => class name.
-	 * Example: 'item' => 'GetPaid_Item_Data_Store_CPT'
-	 * You can also pass something like item-<type> for item stores and
-	 * that type will be used first when available, if a store is requested like
-	 * this and doesn't exist, then the store would fall back to 'item'.
-	 * Ran through `getpaid_data_stores`.
-	 *
-	 * @var array
-	 */
-	private $stores = array(
-		'item' => 'GetPaid_Item_Data_Store_CPT',
-	);
-
-	/**
-	 * Contains the name of the current data store's class name.
-	 *
-	 * @var string
-	 */
-	private $current_class_name = '';
-
-	/**
-	 * The object type this store works with.
-	 *
-	 * @var string
-	 */
-	private $object_type = '';
-
-	/**
-	 * Tells GetPaid_Data_Store which object
-	 * store we want to work with.
-	 *
-	 * @param string $object_type Name of object.
-	 */
-	public function __construct( $object_type ) {
-		$this->object_type = $object_type;
-		$this->stores      = apply_filters( 'getpaid_data_stores', $this->stores );
-
-		// If this object type can't be found, check to see if we can load one
-		// level up (so if item-type isn't found, we try item).
-		if ( ! array_key_exists( $object_type, $this->stores ) ) {
-			$pieces      = explode( '-', $object_type );
-			$object_type = $pieces[0];
-		}
-
-		if ( array_key_exists( $object_type, $this->stores ) ) {
-			$store = apply_filters( 'getpaid_' . $object_type . '_data_store', $this->stores[ $object_type ] );
-			if ( is_object( $store ) ) {
-				$this->current_class_name = get_class( $store );
-				$this->instance           = $store;
-			} else {
-				if ( ! class_exists( $store ) ) {
-					throw new Exception( __( 'Invalid data store.', 'invoicing' ) );
-				}
-				$this->current_class_name = $store;
-				$this->instance           = new $store();
-			}
-		} else {
-			throw new Exception( __( 'Invalid data store.', 'invoicing' ) );
-		}
-	}
-
-	/**
-	 * Only store the object type to avoid serializing the data store instance.
-	 *
-	 * @return array
-	 */
-	public function __sleep() {
-		return array( 'object_type' );
-	}
-
-	/**
-	 * Re-run the constructor with the object type.
-	 *
-	 * @throws Exception When validation fails.
-	 */
-	public function __wakeup() {
-		$this->__construct( $this->object_type );
-	}
-
-	/**
-	 * Loads a data store.
-	 *
-	 * @param string $object_type Name of object.
-	 *
-	 * @since 1.0.19
-	 * @throws Exception When validation fails.
-	 * @return GetPaid_Data_Store
-	 */
-	public static function load( $object_type ) {
-		return new GetPaid_Data_Store( $object_type );
-	}
-
-	/**
-	 * Returns the class name of the current data store.
-	 *
-	 * @since 1.0.19
-	 * @return string
-	 */
-	public function get_current_class_name() {
-		return $this->current_class_name;
-	}
-
-	/**
-	 * Reads an object from the data store.
-	 *
-	 * @since 1.0.19
-	 * @param GetPaid_Data $data GetPaid data instance.
-	 */
-	public function read( &$data ) {
-		$this->instance->read( $data );
-	}
-
-	/**
-	 * Create an object in the data store.
-	 *
-	 * @since 1.0.19
-	 * @param GetPaid_Data $data GetPaid data instance.
-	 */
-	public function create( &$data ) {
-		$this->instance->create( $data );
-	}
-
-	/**
-	 * Update an object in the data store.
-	 *
-	 * @since 1.0.19
-	 * @param GetPaid_Data $data GetPaid data instance.
-	 */
-	public function update( &$data ) {
-		$this->instance->update( $data );
-	}
-
-	/**
-	 * Delete an object from the data store.
-	 *
-	 * @since 1.0.19
-	 * @param GetPaid_Data $data GetPaid data instance.
-	 * @param array   $args Array of args to pass to the delete method.
-	 */
-	public function delete( &$data, $args = array() ) {
-		$this->instance->delete( $data, $args );
-	}
-
-	/**
-	 * Data stores can define additional function. This passes
-	 * through to the instance if that function exists.
-	 *
-	 * @since 1.0.19
-	 * @param string $method     Method.
-	 * @return mixed
-	 */
-	public function __call( $method, $parameters ) {
-		if ( is_callable( array( $this->instance, $method ) ) ) {
-			$object     = array_shift( $parameters );
-			$parameters = array_merge( array( &$object ), $parameters );
-			return call_user_func_array( array( $this->instance, $method ), $parameters );
-		}
-	}
+    /**
+     * Contains an instance of the data store class that we are working with.
+     *
+     * @var GetPaid_Data_Store
+     */
+    private $instance = null;
+
+    /**
+     * Contains an array of default GetPaid supported data stores.
+     * Format of object name => class name.
+     * Example: 'item' => 'GetPaid_Item_Data_Store_CPT'
+     * You can also pass something like item-<type> for item stores and
+     * that type will be used first when available, if a store is requested like
+     * this and doesn't exist, then the store would fall back to 'item'.
+     * Ran through `getpaid_data_stores`.
+     *
+     * @var array
+     */
+    private $stores = array(
+        'item' => 'GetPaid_Item_Data_Store_CPT',
+    );
+
+    /**
+     * Contains the name of the current data store's class name.
+     *
+     * @var string
+     */
+    private $current_class_name = '';
+
+    /**
+     * The object type this store works with.
+     *
+     * @var string
+     */
+    private $object_type = '';
+
+    /**
+     * Tells GetPaid_Data_Store which object
+     * store we want to work with.
+     *
+     * @param string $object_type Name of object.
+     */
+    public function __construct( $object_type ) {
+        $this->object_type = $object_type;
+        $this->stores      = apply_filters( 'getpaid_data_stores', $this->stores );
+
+        // If this object type can't be found, check to see if we can load one
+        // level up (so if item-type isn't found, we try item).
+        if ( ! array_key_exists( $object_type, $this->stores ) ) {
+            $pieces      = explode( '-', $object_type );
+            $object_type = $pieces[0];
+        }
+
+        if ( array_key_exists( $object_type, $this->stores ) ) {
+            $store = apply_filters( 'getpaid_' . $object_type . '_data_store', $this->stores[ $object_type ] );
+            if ( is_object( $store ) ) {
+                $this->current_class_name = get_class( $store );
+                $this->instance           = $store;
+            } else {
+                if ( ! class_exists( $store ) ) {
+                    throw new Exception( __( 'Invalid data store.', 'invoicing' ) );
+                }
+                $this->current_class_name = $store;
+                $this->instance           = new $store();
+            }
+        } else {
+            throw new Exception( __( 'Invalid data store.', 'invoicing' ) );
+        }
+    }
+
+    /**
+     * Only store the object type to avoid serializing the data store instance.
+     *
+     * @return array
+     */
+    public function __sleep() {
+        return array( 'object_type' );
+    }
+
+    /**
+     * Re-run the constructor with the object type.
+     *
+     * @throws Exception When validation fails.
+     */
+    public function __wakeup() {
+        $this->__construct( $this->object_type );
+    }
+
+    /**
+     * Loads a data store.
+     *
+     * @param string $object_type Name of object.
+     *
+     * @since 1.0.19
+     * @throws Exception When validation fails.
+     * @return GetPaid_Data_Store
+     */
+    public static function load( $object_type ) {
+        return new GetPaid_Data_Store( $object_type );
+    }
+
+    /**
+     * Returns the class name of the current data store.
+     *
+     * @since 1.0.19
+     * @return string
+     */
+    public function get_current_class_name() {
+        return $this->current_class_name;
+    }
+
+    /**
+     * Reads an object from the data store.
+     *
+     * @since 1.0.19
+     * @param GetPaid_Data $data GetPaid data instance.
+     */
+    public function read( &$data ) {
+        $this->instance->read( $data );
+    }
+
+    /**
+     * Create an object in the data store.
+     *
+     * @since 1.0.19
+     * @param GetPaid_Data $data GetPaid data instance.
+     */
+    public function create( &$data ) {
+        $this->instance->create( $data );
+    }
+
+    /**
+     * Update an object in the data store.
+     *
+     * @since 1.0.19
+     * @param GetPaid_Data $data GetPaid data instance.
+     */
+    public function update( &$data ) {
+        $this->instance->update( $data );
+    }
+
+    /**
+     * Delete an object from the data store.
+     *
+     * @since 1.0.19
+     * @param GetPaid_Data $data GetPaid data instance.
+     * @param array   $args Array of args to pass to the delete method.
+     */
+    public function delete( &$data, $args = array() ) {
+        $this->instance->delete( $data, $args );
+    }
+
+    /**
+     * Data stores can define additional function. This passes
+     * through to the instance if that function exists.
+     *
+     * @since 1.0.19
+     * @param string $method     Method.
+     * @return mixed
+     */
+    public function __call( $method, $parameters ) {
+        if ( is_callable( array( $this->instance, $method ) ) ) {
+            $object     = array_shift( $parameters );
+            $parameters = array_merge( array( &$object ), $parameters );
+            return call_user_func_array( array( $this->instance, $method ), $parameters );
+        }
+    }
 }

Spacing +29 added lines, -29 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Data store class.
@@ -53,31 +53,31 @@ 
 	 *
 	 * @param string $object_type Name of object.
 	 */
-	public function __construct( $object_type ) {
+	public function __construct($object_type) {
 		$this->object_type = $object_type;
-		$this->stores      = apply_filters( 'getpaid_data_stores', $this->stores );
+		$this->stores      = apply_filters('getpaid_data_stores', $this->stores);
 
 		// If this object type can't be found, check to see if we can load one
 		// level up (so if item-type isn't found, we try item).
-		if ( ! array_key_exists( $object_type, $this->stores ) ) {
-			$pieces      = explode( '-', $object_type );
+		if (!array_key_exists($object_type, $this->stores)) {
+			$pieces      = explode('-', $object_type);
 			$object_type = $pieces[0];
 		}
 
-		if ( array_key_exists( $object_type, $this->stores ) ) {
-			$store = apply_filters( 'getpaid_' . $object_type . '_data_store', $this->stores[ $object_type ] );
-			if ( is_object( $store ) ) {
-				$this->current_class_name = get_class( $store );
+		if (array_key_exists($object_type, $this->stores)) {
+			$store = apply_filters('getpaid_' . $object_type . '_data_store', $this->stores[$object_type]);
+			if (is_object($store)) {
+				$this->current_class_name = get_class($store);
 				$this->instance           = $store;
 			} else {
-				if ( ! class_exists( $store ) ) {
-					throw new Exception( __( 'Invalid data store.', 'invoicing' ) );
+				if (!class_exists($store)) {
+					throw new Exception(__('Invalid data store.', 'invoicing'));
 				}
 				$this->current_class_name = $store;
 				$this->instance           = new $store();
 			}
 		} else {
-			throw new Exception( __( 'Invalid data store.', 'invoicing' ) );
+			throw new Exception(__('Invalid data store.', 'invoicing'));
 		}
 	}
 
@@ -87,7 +87,7 @@ 
 	 * @return array
 	 */
 	public function __sleep() {
-		return array( 'object_type' );
+		return array('object_type');
 	}
 
 	/**
@@ -96,7 +96,7 @@ 
 	 * @throws Exception When validation fails.
 	 */
 	public function __wakeup() {
-		$this->__construct( $this->object_type );
+		$this->__construct($this->object_type);
 	}
 
 	/**
@@ -108,8 +108,8 @@ 
 	 * @throws Exception When validation fails.
 	 * @return GetPaid_Data_Store
 	 */
-	public static function load( $object_type ) {
-		return new GetPaid_Data_Store( $object_type );
+	public static function load($object_type) {
+		return new GetPaid_Data_Store($object_type);
 	}
 
 	/**
@@ -128,8 +128,8 @@ 
 	 * @since 1.0.19
 	 * @param GetPaid_Data $data GetPaid data instance.
 	 */
-	public function read( &$data ) {
-		$this->instance->read( $data );
+	public function read(&$data) {
+		$this->instance->read($data);
 	}
 
 	/**
@@ -138,8 +138,8 @@ 
 	 * @since 1.0.19
 	 * @param GetPaid_Data $data GetPaid data instance.
 	 */
-	public function create( &$data ) {
-		$this->instance->create( $data );
+	public function create(&$data) {
+		$this->instance->create($data);
 	}
 
 	/**
@@ -148,8 +148,8 @@ 
 	 * @since 1.0.19
 	 * @param GetPaid_Data $data GetPaid data instance.
 	 */
-	public function update( &$data ) {
-		$this->instance->update( $data );
+	public function update(&$data) {
+		$this->instance->update($data);
 	}
 
 	/**
@@ -159,8 +159,8 @@ 
 	 * @param GetPaid_Data $data GetPaid data instance.
 	 * @param array   $args Array of args to pass to the delete method.
 	 */
-	public function delete( &$data, $args = array() ) {
-		$this->instance->delete( $data, $args );
+	public function delete(&$data, $args = array()) {
+		$this->instance->delete($data, $args);
 	}
 
 	/**
@@ -171,11 +171,11 @@ 
 	 * @param string $method     Method.
 	 * @return mixed
 	 */
-	public function __call( $method, $parameters ) {
-		if ( is_callable( array( $this->instance, $method ) ) ) {
-			$object     = array_shift( $parameters );
-			$parameters = array_merge( array( &$object ), $parameters );
-			return call_user_func_array( array( $this->instance, $method ), $parameters );
+	public function __call($method, $parameters) {
+		if (is_callable(array($this->instance, $method))) {
+			$object     = array_shift($parameters);
+			$parameters = array_merge(array(&$object), $parameters);
+			return call_user_func_array(array($this->instance, $method), $parameters);
 		}
 	}
 }

includes/data-stores/class-getpaid-cache-helper.php

Indentation +115 added lines, -115 removed lines

@@ -11,121 +11,121 @@
  */
 class GetPaid_Cache_Helper {
 
-	/**
-	 * Transients to delete on shutdown.
-	 *
-	 * @var array Array of transient keys.
-	 */
-	private static $delete_transients = array();
-
-	/**
-	 * Hook in methods.
-	 */
-	public static function init() {
-		add_action( 'shutdown', array( __CLASS__, 'delete_transients_on_shutdown' ), 10 );
-		add_action( 'wp', array( __CLASS__, 'prevent_caching' ) );
-	}
-
-	/**
-	 * Add a transient to delete on shutdown.
-	 *
-	 * @since 1.0.19
-	 * @param string|array $keys Transient key or keys.
-	 */
-	public static function queue_delete_transient( $keys ) {
-		self::$delete_transients = array_unique( array_merge( is_array( $keys ) ? $keys : array( $keys ), self::$delete_transients ) );
-	}
-
-	/**
-	 * Transients that don't need to be cleaned right away can be deleted on shutdown to avoid repetition.
-	 *
-	 * @since 1.0.19
-	 */
-	public static function delete_transients_on_shutdown() {
-		if ( self::$delete_transients ) {
-			foreach ( self::$delete_transients as $key ) {
-				delete_transient( $key );
-			}
-			self::$delete_transients = array();
-		}
-	}
-
-	/**
-	 * Get prefix for use with wp_cache_set. Allows all cache in a group to be invalidated at once.
-	 *
-	 * @param  string $group Group of cache to get.
-	 * @return string
-	 */
-	public static function get_cache_prefix( $group ) {
-		// Get cache key.
-		$prefix = wp_cache_get( 'getpaid_' . $group . '_cache_prefix', $group );
-
-		if ( false === $prefix ) {
-			$prefix = microtime();
-			wp_cache_set( 'getpaid_' . $group . '_cache_prefix', $prefix, $group );
-		}
-
-		return 'getpaid_cache_' . $prefix . '_';
-	}
-
-	/**
-	 * Invalidate cache group.
-	 *
-	 * @param string $group Group of cache to clear.
-	 * @since 1.0.19
-	 */
-	public static function invalidate_cache_group( $group ) {
-		wp_cache_set( 'getpaid_' . $group . '_cache_prefix', microtime(), $group );
-	}
-
-	/**
-	 * Prevent caching on certain pages
-	 */
-	public static function prevent_caching() {
-		if ( ! is_blog_installed() ) {
-			return;
-		}
-
-		if ( wpinv_is_checkout() || wpinv_is_success_page() || wpinv_is_invoice_history_page() || wpinv_is_subscriptions_history_page() ) {
-			self::set_nocache_constants();
-			nocache_headers();
-		}
-
-	}
-
-	/**
-	 * Get transient version.
-	 *
-	 *
-	 * @param  string  $group   Name for the group of transients we need to invalidate.
-	 * @param  boolean $refresh true to force a new version.
-	 * @return string transient version based on time(), 10 digits.
-	 */
-	public static function get_transient_version( $group, $refresh = false ) {
-		$transient_name  = $group . '-transient-version';
-		$transient_value = get_transient( $transient_name );
-
-		if ( false === $transient_value || true === $refresh ) {
-			$transient_value = (string) time();
-
-			set_transient( $transient_name, $transient_value );
-		}
-
-		return $transient_value;
-	}
-
-	/**
-	 * Set constants to prevent caching by some plugins.
-	 *
-	 * @param  mixed $return Value to return. Previously hooked into a filter.
-	 * @return mixed
-	 */
-	public static function set_nocache_constants( $return = true ) {
-		getpaid_maybe_define_constant( 'DONOTCACHEPAGE', true );
-		getpaid_maybe_define_constant( 'DONOTCACHEOBJECT', true );
-		getpaid_maybe_define_constant( 'DONOTCACHEDB', true );
-		return $return;
-	}
+    /**
+     * Transients to delete on shutdown.
+     *
+     * @var array Array of transient keys.
+     */
+    private static $delete_transients = array();
+
+    /**
+     * Hook in methods.
+     */
+    public static function init() {
+        add_action( 'shutdown', array( __CLASS__, 'delete_transients_on_shutdown' ), 10 );
+        add_action( 'wp', array( __CLASS__, 'prevent_caching' ) );
+    }
+
+    /**
+     * Add a transient to delete on shutdown.
+     *
+     * @since 1.0.19
+     * @param string|array $keys Transient key or keys.
+     */
+    public static function queue_delete_transient( $keys ) {
+        self::$delete_transients = array_unique( array_merge( is_array( $keys ) ? $keys : array( $keys ), self::$delete_transients ) );
+    }
+
+    /**
+     * Transients that don't need to be cleaned right away can be deleted on shutdown to avoid repetition.
+     *
+     * @since 1.0.19
+     */
+    public static function delete_transients_on_shutdown() {
+        if ( self::$delete_transients ) {
+            foreach ( self::$delete_transients as $key ) {
+                delete_transient( $key );
+            }
+            self::$delete_transients = array();
+        }
+    }
+
+    /**
+     * Get prefix for use with wp_cache_set. Allows all cache in a group to be invalidated at once.
+     *
+     * @param  string $group Group of cache to get.
+     * @return string
+     */
+    public static function get_cache_prefix( $group ) {
+        // Get cache key.
+        $prefix = wp_cache_get( 'getpaid_' . $group . '_cache_prefix', $group );
+
+        if ( false === $prefix ) {
+            $prefix = microtime();
+            wp_cache_set( 'getpaid_' . $group . '_cache_prefix', $prefix, $group );
+        }
+
+        return 'getpaid_cache_' . $prefix . '_';
+    }
+
+    /**
+     * Invalidate cache group.
+     *
+     * @param string $group Group of cache to clear.
+     * @since 1.0.19
+     */
+    public static function invalidate_cache_group( $group ) {
+        wp_cache_set( 'getpaid_' . $group . '_cache_prefix', microtime(), $group );
+    }
+
+    /**
+     * Prevent caching on certain pages
+     */
+    public static function prevent_caching() {
+        if ( ! is_blog_installed() ) {
+            return;
+        }
+
+        if ( wpinv_is_checkout() || wpinv_is_success_page() || wpinv_is_invoice_history_page() || wpinv_is_subscriptions_history_page() ) {
+            self::set_nocache_constants();
+            nocache_headers();
+        }
+
+    }
+
+    /**
+     * Get transient version.
+     *
+     *
+     * @param  string  $group   Name for the group of transients we need to invalidate.
+     * @param  boolean $refresh true to force a new version.
+     * @return string transient version based on time(), 10 digits.
+     */
+    public static function get_transient_version( $group, $refresh = false ) {
+        $transient_name  = $group . '-transient-version';
+        $transient_value = get_transient( $transient_name );
+
+        if ( false === $transient_value || true === $refresh ) {
+            $transient_value = (string) time();
+
+            set_transient( $transient_name, $transient_value );
+        }
+
+        return $transient_value;
+    }
+
+    /**
+     * Set constants to prevent caching by some plugins.
+     *
+     * @param  mixed $return Value to return. Previously hooked into a filter.
+     * @return mixed
+     */
+    public static function set_nocache_constants( $return = true ) {
+        getpaid_maybe_define_constant( 'DONOTCACHEPAGE', true );
+        getpaid_maybe_define_constant( 'DONOTCACHEOBJECT', true );
+        getpaid_maybe_define_constant( 'DONOTCACHEDB', true );
+        return $return;
+    }
 
 }
 

Spacing +24 added lines, -24 removed lines

@@ -4,7 +4,7 @@ 
  *
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * GetPaid_Cache_Helper.
@@ -22,8 +22,8 @@ 
 	 * Hook in methods.
 	 */
 	public static function init() {
-		add_action( 'shutdown', array( __CLASS__, 'delete_transients_on_shutdown' ), 10 );
-		add_action( 'wp', array( __CLASS__, 'prevent_caching' ) );
+		add_action('shutdown', array(__CLASS__, 'delete_transients_on_shutdown'), 10);
+		add_action('wp', array(__CLASS__, 'prevent_caching'));
 	}
 
 	/**
@@ -32,8 +32,8 @@ 
 	 * @since 1.0.19
 	 * @param string|array $keys Transient key or keys.
 	 */
-	public static function queue_delete_transient( $keys ) {
-		self::$delete_transients = array_unique( array_merge( is_array( $keys ) ? $keys : array( $keys ), self::$delete_transients ) );
+	public static function queue_delete_transient($keys) {
+		self::$delete_transients = array_unique(array_merge(is_array($keys) ? $keys : array($keys), self::$delete_transients));
 	}
 
 	/**
@@ -42,9 +42,9 @@ 
 	 * @since 1.0.19
 	 */
 	public static function delete_transients_on_shutdown() {
-		if ( self::$delete_transients ) {
-			foreach ( self::$delete_transients as $key ) {
-				delete_transient( $key );
+		if (self::$delete_transients) {
+			foreach (self::$delete_transients as $key) {
+				delete_transient($key);
 			}
 			self::$delete_transients = array();
 		}
@@ -56,13 +56,13 @@ 
 	 * @param  string $group Group of cache to get.
 	 * @return string
 	 */
-	public static function get_cache_prefix( $group ) {
+	public static function get_cache_prefix($group) {
 		// Get cache key.
-		$prefix = wp_cache_get( 'getpaid_' . $group . '_cache_prefix', $group );
+		$prefix = wp_cache_get('getpaid_' . $group . '_cache_prefix', $group);
 
-		if ( false === $prefix ) {
+		if (false === $prefix) {
 			$prefix = microtime();
-			wp_cache_set( 'getpaid_' . $group . '_cache_prefix', $prefix, $group );
+			wp_cache_set('getpaid_' . $group . '_cache_prefix', $prefix, $group);
 		}
 
 		return 'getpaid_cache_' . $prefix . '_';
@@ -74,19 +74,19 @@ 
 	 * @param string $group Group of cache to clear.
 	 * @since 1.0.19
 	 */
-	public static function invalidate_cache_group( $group ) {
-		wp_cache_set( 'getpaid_' . $group . '_cache_prefix', microtime(), $group );
+	public static function invalidate_cache_group($group) {
+		wp_cache_set('getpaid_' . $group . '_cache_prefix', microtime(), $group);
 	}
 
 	/**
 	 * Prevent caching on certain pages
 	 */
 	public static function prevent_caching() {
-		if ( ! is_blog_installed() ) {
+		if (!is_blog_installed()) {
 			return;
 		}
 
-		if ( wpinv_is_checkout() || wpinv_is_success_page() || wpinv_is_invoice_history_page() || wpinv_is_subscriptions_history_page() ) {
+		if (wpinv_is_checkout() || wpinv_is_success_page() || wpinv_is_invoice_history_page() || wpinv_is_subscriptions_history_page()) {
 			self::set_nocache_constants();
 			nocache_headers();
 		}
@@ -101,14 +101,14 @@ 
 	 * @param  boolean $refresh true to force a new version.
 	 * @return string transient version based on time(), 10 digits.
 	 */
-	public static function get_transient_version( $group, $refresh = false ) {
+	public static function get_transient_version($group, $refresh = false) {
 		$transient_name  = $group . '-transient-version';
-		$transient_value = get_transient( $transient_name );
+		$transient_value = get_transient($transient_name);
 
-		if ( false === $transient_value || true === $refresh ) {
+		if (false === $transient_value || true === $refresh) {
 			$transient_value = (string) time();
 
-			set_transient( $transient_name, $transient_value );
+			set_transient($transient_name, $transient_value);
 		}
 
 		return $transient_value;
@@ -120,10 +120,10 @@ 
 	 * @param  mixed $return Value to return. Previously hooked into a filter.
 	 * @return mixed
 	 */
-	public static function set_nocache_constants( $return = true ) {
-		getpaid_maybe_define_constant( 'DONOTCACHEPAGE', true );
-		getpaid_maybe_define_constant( 'DONOTCACHEOBJECT', true );
-		getpaid_maybe_define_constant( 'DONOTCACHEDB', true );
+	public static function set_nocache_constants($return = true) {
+		getpaid_maybe_define_constant('DONOTCACHEPAGE', true);
+		getpaid_maybe_define_constant('DONOTCACHEOBJECT', true);
+		getpaid_maybe_define_constant('DONOTCACHEDB', true);
 		return $return;
 	}
 

includes/data-stores/class-getpaid-data-store-wp.php

Indentation +209 added lines, -209 removed lines

@@ -12,217 +12,217 @@
  */
 class GetPaid_Data_Store_WP {
 
-	/**
-	 * Meta type. This should match up with
-	 * the types available at https://developer.wordpress.org/reference/functions/add_metadata/.
-	 * WP defines 'post', 'user', 'comment', and 'term'.
-	 *
-	 * @var string
-	 */
-	protected $meta_type = 'post';
-
-	/**
-	 * This only needs set if you are using a custom metadata type (for example payment tokens.
-	 *
-	 * @var string
-	 */
-	protected $object_id_field_for_meta = '';
-
-	/**
-	 * Data stored in meta keys, but not considered "meta" for an object.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $internal_meta_keys = array();
-
-	/**
-	 * Meta data which should exist in the DB, even if empty.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @var array
-	 */
-	protected $must_exist_meta_keys = array();
-
-	/**
-	 * Returns an array of meta for an object.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data $object GetPaid_Data object.
-	 * @return array
-	 */
-	public function read_meta( &$object ) {
-		global $wpdb;
-		$db_info       = $this->get_db_info();
-		$raw_meta_data = $wpdb->get_results(
-			$wpdb->prepare(
-				"SELECT {$db_info['meta_id_field']} as meta_id, meta_key, meta_value
+    /**
+     * Meta type. This should match up with
+     * the types available at https://developer.wordpress.org/reference/functions/add_metadata/.
+     * WP defines 'post', 'user', 'comment', and 'term'.
+     *
+     * @var string
+     */
+    protected $meta_type = 'post';
+
+    /**
+     * This only needs set if you are using a custom metadata type (for example payment tokens.
+     *
+     * @var string
+     */
+    protected $object_id_field_for_meta = '';
+
+    /**
+     * Data stored in meta keys, but not considered "meta" for an object.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $internal_meta_keys = array();
+
+    /**
+     * Meta data which should exist in the DB, even if empty.
+     *
+     * @since 1.0.19
+     *
+     * @var array
+     */
+    protected $must_exist_meta_keys = array();
+
+    /**
+     * Returns an array of meta for an object.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data $object GetPaid_Data object.
+     * @return array
+     */
+    public function read_meta( &$object ) {
+        global $wpdb;
+        $db_info       = $this->get_db_info();
+        $raw_meta_data = $wpdb->get_results(
+            $wpdb->prepare(
+                "SELECT {$db_info['meta_id_field']} as meta_id, meta_key, meta_value
 				FROM {$db_info['table']}
 				WHERE {$db_info['object_id_field']} = %d
 				ORDER BY {$db_info['meta_id_field']}",
-				$object->get_id()
-			)
-		);
-
-		$this->internal_meta_keys = array_merge( array_map( array( $this, 'prefix_key' ), $object->get_data_keys() ), $this->internal_meta_keys );
-		$meta_data                = array_filter( $raw_meta_data, array( $this, 'exclude_internal_meta_keys' ) );
-		return apply_filters( "getpaid_data_store_wp_{$this->meta_type}_read_meta", $meta_data, $object, $this );
-	}
-
-	/**
-	 * Deletes meta based on meta ID.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data  $object GetPaid_Data object.
-	 * @param  stdClass $meta (containing at least ->id).
-	 */
-	public function delete_meta( &$object, $meta ) {
-		delete_metadata_by_mid( $this->meta_type, $meta->id );
-	}
-
-	/**
-	 * Add new piece of meta.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data  $object GetPaid_Data object.
-	 * @param  stdClass $meta (containing ->key and ->value).
-	 * @return int meta ID
-	 */
-	public function add_meta( &$object, $meta ) {
-		return add_metadata( $this->meta_type, $object->get_id(), $meta->key, is_string( $meta->value ) ? wp_slash( $meta->value ) : $meta->value, false );
-	}
-
-	/**
-	 * Update meta.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data  $object GetPaid_Data object.
-	 * @param  stdClass $meta (containing ->id, ->key and ->value).
-	 */
-	public function update_meta( &$object, $meta ) {
-		update_metadata_by_mid( $this->meta_type, $meta->id, $meta->value, $meta->key );
-	}
-
-	/**
-	 * Table structure is slightly different between meta types, this function will return what we need to know.
-	 *
-	 * @since  1.0.19
-	 * @return array Array elements: table, object_id_field, meta_id_field
-	 */
-	protected function get_db_info() {
-		global $wpdb;
-
-		$meta_id_field = 'meta_id'; // for some reason users calls this umeta_id so we need to track this as well.
-		$table         = $wpdb->prefix;
-
-		// If we are dealing with a type of metadata that is not a core type, the table should be prefixed.
-		if ( ! in_array( $this->meta_type, array( 'post', 'user', 'comment', 'term' ), true ) ) {
-			$table .= 'getpaid_';
-		}
-
-		$table          .= $this->meta_type . 'meta';
-		$object_id_field = $this->meta_type . '_id';
-
-		// Figure out our field names.
-		if ( 'user' === $this->meta_type ) {
-			$meta_id_field = 'umeta_id';
-			$table         = $wpdb->usermeta;
-		}
-
-		if ( ! empty( $this->object_id_field_for_meta ) ) {
-			$object_id_field = $this->object_id_field_for_meta;
-		}
-
-		return array(
-			'table'           => $table,
-			'object_id_field' => $object_id_field,
-			'meta_id_field'   => $meta_id_field,
-		);
-	}
-
-	/**
-	 * Internal meta keys we don't want exposed as part of meta_data. This is in
-	 * addition to all data props with _ prefix.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string $key Prefix to be added to meta keys.
-	 * @return string
-	 */
-	protected function prefix_key( $key ) {
-		return '_' === substr( $key, 0, 1 ) ? $key : '_' . $key;
-	}
-
-	/**
-	 * Callback to remove unwanted meta data.
-	 *
-	 * @param object $meta Meta object to check if it should be excluded or not.
-	 * @return bool
-	 */
-	protected function exclude_internal_meta_keys( $meta ) {
-		return ! in_array( $meta->meta_key, $this->internal_meta_keys, true ) && 0 !== stripos( $meta->meta_key, 'wp_' );
-	}
-
-	/**
-	 * Gets a list of props and meta keys that need updated based on change state
-	 * or if they are present in the database or not.
-	 *
-	 * @param  GetPaid_Data $object         The GetPaid_Data object.
-	 * @param  array   $meta_key_to_props   A mapping of meta keys => prop names.
-	 * @param  string  $meta_type           The internal WP meta type (post, user, etc).
-	 * @return array                        A mapping of meta keys => prop names, filtered by ones that should be updated.
-	 */
-	protected function get_props_to_update( $object, $meta_key_to_props, $meta_type = 'post' ) {
-		$props_to_update = array();
-		$changed_props   = $object->get_changes();
-
-		// Props should be updated if they are a part of the $changed array or don't exist yet.
-		foreach ( $meta_key_to_props as $meta_key => $prop ) {
-			if ( array_key_exists( $prop, $changed_props ) || ! metadata_exists( $meta_type, $object->get_id(), $meta_key ) ) {
-				$props_to_update[ $meta_key ] = $prop;
-			}
-		}
-
-		return $props_to_update;
-	}
-
-	/**
-	 * Update meta data in, or delete it from, the database.
-	 *
-	 * Avoids storing meta when it's either an empty string or empty array or null.
-	 * Other empty values such as numeric 0 should still be stored.
-	 * Data-stores can force meta to exist using `must_exist_meta_keys`.
-	 *
-	 * Note: WordPress `get_metadata` function returns an empty string when meta data does not exist.
-	 *
-	 * @param GetPaid_Data $object The GetPaid_Data object.
-	 * @param string  $meta_key Meta key to update.
-	 * @param mixed   $meta_value Value to save.
-	 *
-	 * @since 1.0.19 Added to prevent empty meta being stored unless required.
-	 *
-	 * @return bool True if updated/deleted.
-	 */
-	protected function update_or_delete_post_meta( $object, $meta_key, $meta_value ) {
-		if ( in_array( $meta_value, array( array(), '', null ), true ) && ! in_array( $meta_key, $this->must_exist_meta_keys, true ) ) {
-			$updated = delete_post_meta( $object->get_id(), $meta_key );
-		} else {
-			$updated = update_post_meta( $object->get_id(), $meta_key, $meta_value );
-		}
-
-		return (bool) $updated;
-	}
-
-	/**
-	 * Return list of internal meta keys.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_internal_meta_keys() {
-		return $this->internal_meta_keys;
-	}
+                $object->get_id()
+            )
+        );
+
+        $this->internal_meta_keys = array_merge( array_map( array( $this, 'prefix_key' ), $object->get_data_keys() ), $this->internal_meta_keys );
+        $meta_data                = array_filter( $raw_meta_data, array( $this, 'exclude_internal_meta_keys' ) );
+        return apply_filters( "getpaid_data_store_wp_{$this->meta_type}_read_meta", $meta_data, $object, $this );
+    }
+
+    /**
+     * Deletes meta based on meta ID.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data  $object GetPaid_Data object.
+     * @param  stdClass $meta (containing at least ->id).
+     */
+    public function delete_meta( &$object, $meta ) {
+        delete_metadata_by_mid( $this->meta_type, $meta->id );
+    }
+
+    /**
+     * Add new piece of meta.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data  $object GetPaid_Data object.
+     * @param  stdClass $meta (containing ->key and ->value).
+     * @return int meta ID
+     */
+    public function add_meta( &$object, $meta ) {
+        return add_metadata( $this->meta_type, $object->get_id(), $meta->key, is_string( $meta->value ) ? wp_slash( $meta->value ) : $meta->value, false );
+    }
+
+    /**
+     * Update meta.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data  $object GetPaid_Data object.
+     * @param  stdClass $meta (containing ->id, ->key and ->value).
+     */
+    public function update_meta( &$object, $meta ) {
+        update_metadata_by_mid( $this->meta_type, $meta->id, $meta->value, $meta->key );
+    }
+
+    /**
+     * Table structure is slightly different between meta types, this function will return what we need to know.
+     *
+     * @since  1.0.19
+     * @return array Array elements: table, object_id_field, meta_id_field
+     */
+    protected function get_db_info() {
+        global $wpdb;
+
+        $meta_id_field = 'meta_id'; // for some reason users calls this umeta_id so we need to track this as well.
+        $table         = $wpdb->prefix;
+
+        // If we are dealing with a type of metadata that is not a core type, the table should be prefixed.
+        if ( ! in_array( $this->meta_type, array( 'post', 'user', 'comment', 'term' ), true ) ) {
+            $table .= 'getpaid_';
+        }
+
+        $table          .= $this->meta_type . 'meta';
+        $object_id_field = $this->meta_type . '_id';
+
+        // Figure out our field names.
+        if ( 'user' === $this->meta_type ) {
+            $meta_id_field = 'umeta_id';
+            $table         = $wpdb->usermeta;
+        }
+
+        if ( ! empty( $this->object_id_field_for_meta ) ) {
+            $object_id_field = $this->object_id_field_for_meta;
+        }
+
+        return array(
+            'table'           => $table,
+            'object_id_field' => $object_id_field,
+            'meta_id_field'   => $meta_id_field,
+        );
+    }
+
+    /**
+     * Internal meta keys we don't want exposed as part of meta_data. This is in
+     * addition to all data props with _ prefix.
+     *
+     * @since 1.0.19
+     *
+     * @param string $key Prefix to be added to meta keys.
+     * @return string
+     */
+    protected function prefix_key( $key ) {
+        return '_' === substr( $key, 0, 1 ) ? $key : '_' . $key;
+    }
+
+    /**
+     * Callback to remove unwanted meta data.
+     *
+     * @param object $meta Meta object to check if it should be excluded or not.
+     * @return bool
+     */
+    protected function exclude_internal_meta_keys( $meta ) {
+        return ! in_array( $meta->meta_key, $this->internal_meta_keys, true ) && 0 !== stripos( $meta->meta_key, 'wp_' );
+    }
+
+    /**
+     * Gets a list of props and meta keys that need updated based on change state
+     * or if they are present in the database or not.
+     *
+     * @param  GetPaid_Data $object         The GetPaid_Data object.
+     * @param  array   $meta_key_to_props   A mapping of meta keys => prop names.
+     * @param  string  $meta_type           The internal WP meta type (post, user, etc).
+     * @return array                        A mapping of meta keys => prop names, filtered by ones that should be updated.
+     */
+    protected function get_props_to_update( $object, $meta_key_to_props, $meta_type = 'post' ) {
+        $props_to_update = array();
+        $changed_props   = $object->get_changes();
+
+        // Props should be updated if they are a part of the $changed array or don't exist yet.
+        foreach ( $meta_key_to_props as $meta_key => $prop ) {
+            if ( array_key_exists( $prop, $changed_props ) || ! metadata_exists( $meta_type, $object->get_id(), $meta_key ) ) {
+                $props_to_update[ $meta_key ] = $prop;
+            }
+        }
+
+        return $props_to_update;
+    }
+
+    /**
+     * Update meta data in, or delete it from, the database.
+     *
+     * Avoids storing meta when it's either an empty string or empty array or null.
+     * Other empty values such as numeric 0 should still be stored.
+     * Data-stores can force meta to exist using `must_exist_meta_keys`.
+     *
+     * Note: WordPress `get_metadata` function returns an empty string when meta data does not exist.
+     *
+     * @param GetPaid_Data $object The GetPaid_Data object.
+     * @param string  $meta_key Meta key to update.
+     * @param mixed   $meta_value Value to save.
+     *
+     * @since 1.0.19 Added to prevent empty meta being stored unless required.
+     *
+     * @return bool True if updated/deleted.
+     */
+    protected function update_or_delete_post_meta( $object, $meta_key, $meta_value ) {
+        if ( in_array( $meta_value, array( array(), '', null ), true ) && ! in_array( $meta_key, $this->must_exist_meta_keys, true ) ) {
+            $updated = delete_post_meta( $object->get_id(), $meta_key );
+        } else {
+            $updated = update_post_meta( $object->get_id(), $meta_key, $meta_value );
+        }
+
+        return (bool) $updated;
+    }
+
+    /**
+     * Return list of internal meta keys.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_internal_meta_keys() {
+        return $this->internal_meta_keys;
+    }
 
 }

Spacing +26 added lines, -26 removed lines

@@ -5,7 +5,7 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * GetPaid_Data_Store_WP class.
@@ -53,7 +53,7 @@ 
 	 * @param  GetPaid_Data $object GetPaid_Data object.
 	 * @return array
 	 */
-	public function read_meta( &$object ) {
+	public function read_meta(&$object) {
 		global $wpdb;
 		$db_info       = $this->get_db_info();
 		$raw_meta_data = $wpdb->get_results(
@@ -66,9 +66,9 @@ 
 			)
 		);
 
-		$this->internal_meta_keys = array_merge( array_map( array( $this, 'prefix_key' ), $object->get_data_keys() ), $this->internal_meta_keys );
-		$meta_data                = array_filter( $raw_meta_data, array( $this, 'exclude_internal_meta_keys' ) );
-		return apply_filters( "getpaid_data_store_wp_{$this->meta_type}_read_meta", $meta_data, $object, $this );
+		$this->internal_meta_keys = array_merge(array_map(array($this, 'prefix_key'), $object->get_data_keys()), $this->internal_meta_keys);
+		$meta_data                = array_filter($raw_meta_data, array($this, 'exclude_internal_meta_keys'));
+		return apply_filters("getpaid_data_store_wp_{$this->meta_type}_read_meta", $meta_data, $object, $this);
 	}
 
 	/**
@@ -78,8 +78,8 @@ 
 	 * @param  GetPaid_Data  $object GetPaid_Data object.
 	 * @param  stdClass $meta (containing at least ->id).
 	 */
-	public function delete_meta( &$object, $meta ) {
-		delete_metadata_by_mid( $this->meta_type, $meta->id );
+	public function delete_meta(&$object, $meta) {
+		delete_metadata_by_mid($this->meta_type, $meta->id);
 	}
 
 	/**
@@ -90,8 +90,8 @@ 
 	 * @param  stdClass $meta (containing ->key and ->value).
 	 * @return int meta ID
 	 */
-	public function add_meta( &$object, $meta ) {
-		return add_metadata( $this->meta_type, $object->get_id(), $meta->key, is_string( $meta->value ) ? wp_slash( $meta->value ) : $meta->value, false );
+	public function add_meta(&$object, $meta) {
+		return add_metadata($this->meta_type, $object->get_id(), $meta->key, is_string($meta->value) ? wp_slash($meta->value) : $meta->value, false);
 	}
 
 	/**
@@ -101,8 +101,8 @@ 
 	 * @param  GetPaid_Data  $object GetPaid_Data object.
 	 * @param  stdClass $meta (containing ->id, ->key and ->value).
 	 */
-	public function update_meta( &$object, $meta ) {
-		update_metadata_by_mid( $this->meta_type, $meta->id, $meta->value, $meta->key );
+	public function update_meta(&$object, $meta) {
+		update_metadata_by_mid($this->meta_type, $meta->id, $meta->value, $meta->key);
 	}
 
 	/**
@@ -118,7 +118,7 @@ 
 		$table         = $wpdb->prefix;
 
 		// If we are dealing with a type of metadata that is not a core type, the table should be prefixed.
-		if ( ! in_array( $this->meta_type, array( 'post', 'user', 'comment', 'term' ), true ) ) {
+		if (!in_array($this->meta_type, array('post', 'user', 'comment', 'term'), true)) {
 			$table .= 'getpaid_';
 		}
 
@@ -126,12 +126,12 @@ 
 		$object_id_field = $this->meta_type . '_id';
 
 		// Figure out our field names.
-		if ( 'user' === $this->meta_type ) {
+		if ('user' === $this->meta_type) {
 			$meta_id_field = 'umeta_id';
 			$table         = $wpdb->usermeta;
 		}
 
-		if ( ! empty( $this->object_id_field_for_meta ) ) {
+		if (!empty($this->object_id_field_for_meta)) {
 			$object_id_field = $this->object_id_field_for_meta;
 		}
 
@@ -151,8 +151,8 @@ 
 	 * @param string $key Prefix to be added to meta keys.
 	 * @return string
 	 */
-	protected function prefix_key( $key ) {
-		return '_' === substr( $key, 0, 1 ) ? $key : '_' . $key;
+	protected function prefix_key($key) {
+		return '_' === substr($key, 0, 1) ? $key : '_' . $key;
 	}
 
 	/**
@@ -161,8 +161,8 @@ 
 	 * @param object $meta Meta object to check if it should be excluded or not.
 	 * @return bool
 	 */
-	protected function exclude_internal_meta_keys( $meta ) {
-		return ! in_array( $meta->meta_key, $this->internal_meta_keys, true ) && 0 !== stripos( $meta->meta_key, 'wp_' );
+	protected function exclude_internal_meta_keys($meta) {
+		return !in_array($meta->meta_key, $this->internal_meta_keys, true) && 0 !== stripos($meta->meta_key, 'wp_');
 	}
 
 	/**
@@ -174,14 +174,14 @@ 
 	 * @param  string  $meta_type           The internal WP meta type (post, user, etc).
 	 * @return array                        A mapping of meta keys => prop names, filtered by ones that should be updated.
 	 */
-	protected function get_props_to_update( $object, $meta_key_to_props, $meta_type = 'post' ) {
+	protected function get_props_to_update($object, $meta_key_to_props, $meta_type = 'post') {
 		$props_to_update = array();
 		$changed_props   = $object->get_changes();
 
 		// Props should be updated if they are a part of the $changed array or don't exist yet.
-		foreach ( $meta_key_to_props as $meta_key => $prop ) {
-			if ( array_key_exists( $prop, $changed_props ) || ! metadata_exists( $meta_type, $object->get_id(), $meta_key ) ) {
-				$props_to_update[ $meta_key ] = $prop;
+		foreach ($meta_key_to_props as $meta_key => $prop) {
+			if (array_key_exists($prop, $changed_props) || !metadata_exists($meta_type, $object->get_id(), $meta_key)) {
+				$props_to_update[$meta_key] = $prop;
 			}
 		}
 
@@ -205,11 +205,11 @@ 
 	 *
 	 * @return bool True if updated/deleted.
 	 */
-	protected function update_or_delete_post_meta( $object, $meta_key, $meta_value ) {
-		if ( in_array( $meta_value, array( array(), '', null ), true ) && ! in_array( $meta_key, $this->must_exist_meta_keys, true ) ) {
-			$updated = delete_post_meta( $object->get_id(), $meta_key );
+	protected function update_or_delete_post_meta($object, $meta_key, $meta_value) {
+		if (in_array($meta_value, array(array(), '', null), true) && !in_array($meta_key, $this->must_exist_meta_keys, true)) {
+			$updated = delete_post_meta($object->get_id(), $meta_key);
 		} else {
-			$updated = update_post_meta( $object->get_id(), $meta_key, $meta_value );
+			$updated = update_post_meta($object->get_id(), $meta_key, $meta_value);
 		}
 
 		return (bool) $updated;

includes/data-stores/class-getpaid-data.php

Indentation +764 added lines, -764 removed lines

@@ -9,7 +9,7 @@ 
  */
 
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -21,767 +21,767 @@ 
  */
 abstract class GetPaid_Data {
 
-	/**
-	 * ID for this object.
-	 *
-	 * @since 1.0.19
-	 * @var int
-	 */
-	protected $id = 0;
-
-	/**
-	 * Core data for this object. Name value pairs (name + default value).
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $data = array();
-
-	/**
-	 * Core data changes for this object.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $changes = array();
-
-	/**
-	 * This is false until the object is read from the DB.
-	 *
-	 * @since 1.0.19
-	 * @var bool
-	 */
-	protected $object_read = false;
-
-	/**
-	 * This is the name of this object type.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	protected $object_type = 'data';
-
-	/**
-	 * Extra data for this object. Name value pairs (name + default value).
-	 * Used as a standard way for sub classes (like item types) to add
-	 * additional information to an inherited class.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $extra_data = array();
-
-	/**
-	 * Set to _data on construct so we can track and reset data if needed.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $default_data = array();
-
-	/**
-	 * Contains a reference to the data store for this class.
-	 *
-	 * @since 1.0.19
-	 * @var object
-	 */
-	protected $data_store;
-
-	/**
-	 * Stores meta in cache for future reads.
-	 * A group must be set to to enable caching.
-	 *
-	 * @since 1.0.19
-	 * @var string
-	 */
-	protected $cache_group = '';
-
-	/**
-	 * Stores additional meta data.
-	 *
-	 * @since 1.0.19
-	 * @var array
-	 */
-	protected $meta_data = null;
-
-	/**
-	 * Default constructor.
-	 *
-	 * @param int|object|array $read ID to load from the DB (optional) or already queried data.
-	 */
-	public function __construct( $read = 0 ) {
-		$this->data         = array_merge( $this->data, $this->extra_data );
-		$this->default_data = $this->data;
-	}
-
-	/**
-	 * Only store the object ID to avoid serializing the data object instance.
-	 *
-	 * @return array
-	 */
-	public function __sleep() {
-		return array( 'id' );
-	}
-
-	/**
-	 * Re-run the constructor with the object ID.
-	 *
-	 * If the object no longer exists, remove the ID.
-	 */
-	public function __wakeup() {
-		try {
-			$this->__construct( absint( $this->id ) );
-		} catch ( Exception $e ) {
-			$this->set_id( 0 );
-			$this->set_object_read( true );
-		}
-	}
-
-	/**
-	 * When the object is cloned, make sure meta is duplicated correctly.
-	 *
-	 * @since 1.0.19
-	 */
-	public function __clone() {
-		$this->maybe_read_meta_data();
-		if ( ! empty( $this->meta_data ) ) {
-			foreach ( $this->meta_data as $array_key => $meta ) {
-				$this->meta_data[ $array_key ] = clone $meta;
-				if ( ! empty( $meta->id ) ) {
-					$this->meta_data[ $array_key ]->id = null;
-				}
-			}
-		}
-	}
-
-	/**
-	 * Get the data store.
-	 *
-	 * @since  1.0.19
-	 * @return object
-	 */
-	public function get_data_store() {
-		return $this->data_store;
-	}
-
-	/**
-	 * Returns the unique ID for this object.
-	 *
-	 * @since  1.0.19
-	 * @return int
-	 */
-	public function get_id() {
-		return $this->id;
-	}
-
-	/**
-	 * Delete an object, set the ID to 0, and return result.
-	 *
-	 * @since  1.0.19
-	 * @param  bool $force_delete Should the data be deleted permanently.
-	 * @return bool result
-	 */
-	public function delete( $force_delete = false ) {
-		if ( $this->data_store ) {
-			$this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
-			$this->set_id( 0 );
-			return true;
-		}
-		return false;
-	}
-
-	/**
-	 * Save should create or update based on object existence.
-	 *
-	 * @since  1.0.19
-	 * @return int
-	 */
-	public function save() {
-		if ( ! $this->data_store ) {
-			return $this->get_id();
-		}
-
-		/**
-		 * Trigger action before saving to the DB. Allows you to adjust object props before save.
-		 *
-		 * @param GetPaid_Data          $this The object being saved.
-		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
-		 */
-		do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
-
-		if ( $this->get_id() ) {
-			$this->data_store->update( $this );
-		} else {
-			$this->data_store->create( $this );
-		}
-
-		/**
-		 * Trigger action after saving to the DB.
-		 *
-		 * @param GetPaid_Data          $this The object being saved.
-		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
-		 */
-		do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
-
-		return $this->get_id();
-	}
-
-	/**
-	 * Change data to JSON format.
-	 *
-	 * @since  1.0.19
-	 * @return string Data in JSON format.
-	 */
-	public function __toString() {
-		return wp_json_encode( $this->get_data() );
-	}
-
-	/**
-	 * Returns all data for this object.
-	 *
-	 * @since  1.0.19
-	 * @return array
-	 */
-	public function get_data() {
-		return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
-	}
-
-	/**
-	 * Returns array of expected data keys for this object.
-	 *
-	 * @since   1.0.19
-	 * @return array
-	 */
-	public function get_data_keys() {
-		return array_keys( $this->data );
-	}
-
-	/**
-	 * Returns all "extra" data keys for an object (for sub objects like item types).
-	 *
-	 * @since  1.0.19
-	 * @return array
-	 */
-	public function get_extra_data_keys() {
-		return array_keys( $this->extra_data );
-	}
-
-	/**
-	 * Filter null meta values from array.
-	 *
-	 * @since  1.0.19
-	 * @param mixed $meta Meta value to check.
-	 * @return bool
-	 */
-	protected function filter_null_meta( $meta ) {
-		return ! is_null( $meta->value );
-	}
-
-	/**
-	 * Get All Meta Data.
-	 *
-	 * @since 1.0.19
-	 * @return array of objects.
-	 */
-	public function get_meta_data() {
-		$this->maybe_read_meta_data();
-		return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
-	}
-
-	/**
-	 * Check if the key is an internal one.
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Key to check.
-	 * @return bool   true if it's an internal key, false otherwise
-	 */
-	protected function is_internal_meta_key( $key ) {
-		$internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
-
-		if ( ! $internal_meta_key ) {
-			return false;
-		}
-
-		$has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
-
-		if ( ! $has_setter_or_getter ) {
-			return false;
-		}
-
-		/* translators: %s: $key Key to check */
-		getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
-
-		return true;
-	}
-
-	/**
-	 * Get Meta Data by Key.
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Meta Key.
-	 * @param  bool   $single return first found meta with key, or all with $key.
-	 * @param  string $context What the value is for. Valid values are view and edit.
-	 * @return mixed
-	 */
-	public function get_meta( $key = '', $single = true, $context = 'view' ) {
-
-		// Check if this is an internal meta key.
-		if ( $this->is_internal_meta_key( $key ) ) {
-			$function = 'get_' . $key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}();
-			}
-		}
-
-		// Read the meta data if not yet read.
-		$this->maybe_read_meta_data();
-		$meta_data  = $this->get_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
-		$value      = $single ? '' : array();
-
-		if ( ! empty( $array_keys ) ) {
-			// We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
-			if ( $single ) {
-				$value = $meta_data[ current( $array_keys ) ]->value;
-			} else {
-				$value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
-			}
-		}
-
-		if ( 'view' === $context ) {
-			$value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
-		}
-
-		return $value;
-	}
-
-	/**
-	 * See if meta data exists, since get_meta always returns a '' or array().
-	 *
-	 * @since  1.0.19
-	 * @param  string $key Meta Key.
-	 * @return boolean
-	 */
-	public function meta_exists( $key = '' ) {
-		$this->maybe_read_meta_data();
-		$array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
-		return in_array( $key, $array_keys, true );
-	}
-
-	/**
-	 * Set all meta data from array.
-	 *
-	 * @since 1.0.19
-	 * @param array $data Key/Value pairs.
-	 */
-	public function set_meta_data( $data ) {
-		if ( ! empty( $data ) && is_array( $data ) ) {
-			$this->maybe_read_meta_data();
-			foreach ( $data as $meta ) {
-				$meta = (array) $meta;
-				if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
-					$this->meta_data[] = new GetPaid_Meta_Data(
-						array(
-							'id'    => $meta['id'],
-							'key'   => $meta['key'],
-							'value' => $meta['value'],
-						)
-					);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Add meta data.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string       $key Meta key.
-	 * @param string|array $value Meta value.
-	 * @param bool         $unique Should this be a unique key?.
-	 */
-	public function add_meta_data( $key, $value, $unique = false ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
-			$function = 'set_' . $key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
-			}
-		}
-
-		$this->maybe_read_meta_data();
-		if ( $unique ) {
-			$this->delete_meta_data( $key );
-		}
-		$this->meta_data[] = new GetPaid_Meta_Data(
-			array(
-				'key'   => $key,
-				'value' => $value,
-			)
-		);
-	}
-
-	/**
-	 * Update meta data by key or ID, if provided.
-	 *
-	 * @since  1.0.19
-	 *
-	 * @param  string       $key Meta key.
-	 * @param  string|array $value Meta value.
-	 * @param  int          $meta_id Meta ID.
-	 */
-	public function update_meta_data( $key, $value, $meta_id = 0 ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
-			$function = 'set_' . $key;
-
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
-			}
-		}
-
-		$this->maybe_read_meta_data();
-
-		$array_key = false;
-
-		if ( $meta_id ) {
-			$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
-			$array_key  = $array_keys ? current( $array_keys ) : false;
-		} else {
-			// Find matches by key.
-			$matches = array();
-			foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
-				if ( $meta->key === $key ) {
-					$matches[] = $meta_data_array_key;
-				}
-			}
-
-			if ( ! empty( $matches ) ) {
-				// Set matches to null so only one key gets the new value.
-				foreach ( $matches as $meta_data_array_key ) {
-					$this->meta_data[ $meta_data_array_key ]->value = null;
-				}
-				$array_key = current( $matches );
-			}
-		}
-
-		if ( false !== $array_key ) {
-			$meta        = $this->meta_data[ $array_key ];
-			$meta->key   = $key;
-			$meta->value = $value;
-		} else {
-			$this->add_meta_data( $key, $value, true );
-		}
-	}
-
-	/**
-	 * Delete meta data.
-	 *
-	 * @since 1.0.19
-	 * @param string $key Meta key.
-	 */
-	public function delete_meta_data( $key ) {
-		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
-
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
-			}
-		}
-	}
-
-	/**
-	 * Delete meta data.
-	 *
-	 * @since 1.0.19
-	 * @param int $mid Meta ID.
-	 */
-	public function delete_meta_data_by_mid( $mid ) {
-		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
-
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
-			}
-		}
-	}
-
-	/**
-	 * Read meta data if null.
-	 *
-	 * @since 1.0.19
-	 */
-	protected function maybe_read_meta_data() {
-		if ( is_null( $this->meta_data ) ) {
-			$this->read_meta_data();
-		}
-	}
-
-	/**
-	 * Read Meta Data from the database. Ignore any internal properties.
-	 * Uses it's own caches because get_metadata does not provide meta_ids.
-	 *
-	 * @since 1.0.19
-	 * @param bool $force_read True to force a new DB read (and update cache).
-	 */
-	public function read_meta_data( $force_read = false ) {
-		$this->meta_data = array();
-		$cache_loaded    = false;
-
-		if ( ! $this->get_id() ) {
-			return;
-		}
-
-		if ( ! $this->data_store ) {
-			return;
-		}
-
-		if ( ! empty( $this->cache_group ) ) {
-			// Prefix by group allows invalidation by group until https://core.trac.wordpress.org/ticket/4476 is implemented.
-			$cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-		}
-
-		if ( ! $force_read ) {
-			if ( ! empty( $this->cache_group ) ) {
-				$cached_meta  = wp_cache_get( $cache_key, $this->cache_group );
-				$cache_loaded = ! empty( $cached_meta );
-			}
-		}
-
-		$raw_meta_data = $cache_loaded ? $cached_meta : $this->data_store->read_meta( $this );
-		if ( $raw_meta_data ) {
-			foreach ( $raw_meta_data as $meta ) {
-				$this->meta_data[] = new GetPaid_Meta_Data(
-					array(
-						'id'    => (int) $meta->meta_id,
-						'key'   => $meta->meta_key,
-						'value' => maybe_unserialize( $meta->meta_value ),
-					)
-				);
-			}
-
-			if ( ! $cache_loaded && ! empty( $this->cache_group ) ) {
-				wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
-			}
-		}
-	}
-
-	/**
-	 * Update Meta Data in the database.
-	 *
-	 * @since 1.0.19
-	 */
-	public function save_meta_data() {
-		if ( ! $this->data_store || is_null( $this->meta_data ) ) {
-			return;
-		}
-		foreach ( $this->meta_data as $array_key => $meta ) {
-			if ( is_null( $meta->value ) ) {
-				if ( ! empty( $meta->id ) ) {
-					$this->data_store->delete_meta( $this, $meta );
-					unset( $this->meta_data[ $array_key ] );
-				}
-			} elseif ( empty( $meta->id ) ) {
-				$meta->id = $this->data_store->add_meta( $this, $meta );
-				$meta->apply_changes();
-			} else {
-				if ( $meta->get_changes() ) {
-					$this->data_store->update_meta( $this, $meta );
-					$meta->apply_changes();
-				}
-			}
-		}
-		if ( ! empty( $this->cache_group ) ) {
-			$cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			wp_cache_delete( $cache_key, $this->cache_group );
-		}
-	}
-
-	/**
-	 * Set ID.
-	 *
-	 * @since 1.0.19
-	 * @param int $id ID.
-	 */
-	public function set_id( $id ) {
-		$this->id = absint( $id );
-	}
-
-	/**
-	 * Set all props to default values.
-	 *
-	 * @since 1.0.19
-	 */
-	public function set_defaults() {
-		$this->data    = $this->default_data;
-		$this->changes = array();
-		$this->set_object_read( false );
-	}
-
-	/**
-	 * Set object read property.
-	 *
-	 * @since 1.0.19
-	 * @param boolean $read Should read?.
-	 */
-	public function set_object_read( $read = true ) {
-		$this->object_read = (bool) $read;
-	}
-
-	/**
-	 * Get object read property.
-	 *
-	 * @since  1.0.19
-	 * @return boolean
-	 */
-	public function get_object_read() {
-		return (bool) $this->object_read;
-	}
-
-	/**
-	 * Set a collection of props in one go, collect any errors, and return the result.
-	 * Only sets using public methods.
-	 *
-	 * @since  1.0.19
-	 *
-	 * @param array  $props Key value pairs to set. Key is the prop and should map to a setter function name.
-	 * @param string $context In what context to run this.
-	 *
-	 * @return bool|WP_Error
-	 */
-	public function set_props( $props, $context = 'set' ) {
-		$errors = false;
-
-		foreach ( $props as $prop => $value ) {
-			try {
-				/**
-				 * Checks if the prop being set is allowed, and the value is not null.
-				 */
-				if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
-					continue;
-				}
-				$setter = "set_$prop";
-
-				if ( is_callable( array( $this, $setter ) ) ) {
-					$this->{$setter}( $value );
-				}
-			} catch ( Exception $e ) {
-				if ( ! $errors ) {
-					$errors = new WP_Error();
-				}
-				$errors->add( $e->getCode(), $e->getMessage() );
-			}
-		}
-
-		return $errors && count( $errors->get_error_codes() ) ? $errors : true;
-	}
-
-	/**
-	 * Sets a prop for a setter method.
-	 *
-	 * This stores changes in a special array so we can track what needs saving
-	 * the the DB later.
-	 *
-	 * @since 1.0.19
-	 * @param string $prop Name of prop to set.
-	 * @param mixed  $value Value of the prop.
-	 */
-	protected function set_prop( $prop, $value ) {
-		if ( array_key_exists( $prop, $this->data ) ) {
-			if ( true === $this->object_read ) {
-				if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
-					$this->changes[ $prop ] = $value;
-				}
-			} else {
-				$this->data[ $prop ] = $value;
-			}
-		}
-	}
-
-	/**
-	 * Return data changes only.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	public function get_changes() {
-		return $this->changes;
-	}
-
-	/**
-	 * Merge changes with data and clear.
-	 *
-	 * @since 1.0.19
-	 */
-	public function apply_changes() {
-		$this->data    = array_replace_recursive( $this->data, $this->changes );
-		$this->changes = array();
-	}
-
-	/**
-	 * Prefix for action and filter hooks on data.
-	 *
-	 * @since  1.0.19
-	 * @return string
-	 */
-	protected function get_hook_prefix() {
-		return 'wpinv_get_' . $this->object_type . '_';
-	}
-
-	/**
-	 * Gets a prop for a getter method.
-	 *
-	 * Gets the value from either current pending changes, or the data itself.
-	 * Context controls what happens to the value before it's returned.
-	 *
-	 * @since  1.0.19
-	 * @param  string $prop Name of prop to get.
-	 * @param  string $context What the value is for. Valid values are view and edit.
-	 * @return mixed
-	 */
-	protected function get_prop( $prop, $context = 'view' ) {
-		$value = null;
-
-		if ( array_key_exists( $prop, $this->data ) ) {
-			$value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
-
-			if ( 'view' === $context ) {
-				$value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
-			}
-		}
-
-		return $value;
-	}
-
-	/**
-	 * Sets a date prop whilst handling formatting and datetime objects.
-	 *
-	 * @since 1.0.19
-	 * @param string         $prop Name of prop to set.
-	 * @param string|integer $value Value of the prop.
-	 */
-	protected function set_date_prop( $prop, $value ) {
-
-		if ( empty( $value ) ) {
-			$this->set_prop( $prop, null );
-			return;
-		}
-		$this->set_prop( $prop, $value );
-
-	}
-
-	/**
-	 * When invalid data is found, throw an exception unless reading from the DB.
-	 *
-	 * @throws Exception Data Exception.
-	 * @since 1.0.19
-	 * @param string $code             Error code.
-	 * @param string $message          Error message.
-	 */
-	protected function error( $code, $message ) {
-		throw new Exception( $message, $code );
-	}
+    /**
+     * ID for this object.
+     *
+     * @since 1.0.19
+     * @var int
+     */
+    protected $id = 0;
+
+    /**
+     * Core data for this object. Name value pairs (name + default value).
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $data = array();
+
+    /**
+     * Core data changes for this object.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $changes = array();
+
+    /**
+     * This is false until the object is read from the DB.
+     *
+     * @since 1.0.19
+     * @var bool
+     */
+    protected $object_read = false;
+
+    /**
+     * This is the name of this object type.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    protected $object_type = 'data';
+
+    /**
+     * Extra data for this object. Name value pairs (name + default value).
+     * Used as a standard way for sub classes (like item types) to add
+     * additional information to an inherited class.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $extra_data = array();
+
+    /**
+     * Set to _data on construct so we can track and reset data if needed.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $default_data = array();
+
+    /**
+     * Contains a reference to the data store for this class.
+     *
+     * @since 1.0.19
+     * @var object
+     */
+    protected $data_store;
+
+    /**
+     * Stores meta in cache for future reads.
+     * A group must be set to to enable caching.
+     *
+     * @since 1.0.19
+     * @var string
+     */
+    protected $cache_group = '';
+
+    /**
+     * Stores additional meta data.
+     *
+     * @since 1.0.19
+     * @var array
+     */
+    protected $meta_data = null;
+
+    /**
+     * Default constructor.
+     *
+     * @param int|object|array $read ID to load from the DB (optional) or already queried data.
+     */
+    public function __construct( $read = 0 ) {
+        $this->data         = array_merge( $this->data, $this->extra_data );
+        $this->default_data = $this->data;
+    }
+
+    /**
+     * Only store the object ID to avoid serializing the data object instance.
+     *
+     * @return array
+     */
+    public function __sleep() {
+        return array( 'id' );
+    }
+
+    /**
+     * Re-run the constructor with the object ID.
+     *
+     * If the object no longer exists, remove the ID.
+     */
+    public function __wakeup() {
+        try {
+            $this->__construct( absint( $this->id ) );
+        } catch ( Exception $e ) {
+            $this->set_id( 0 );
+            $this->set_object_read( true );
+        }
+    }
+
+    /**
+     * When the object is cloned, make sure meta is duplicated correctly.
+     *
+     * @since 1.0.19
+     */
+    public function __clone() {
+        $this->maybe_read_meta_data();
+        if ( ! empty( $this->meta_data ) ) {
+            foreach ( $this->meta_data as $array_key => $meta ) {
+                $this->meta_data[ $array_key ] = clone $meta;
+                if ( ! empty( $meta->id ) ) {
+                    $this->meta_data[ $array_key ]->id = null;
+                }
+            }
+        }
+    }
+
+    /**
+     * Get the data store.
+     *
+     * @since  1.0.19
+     * @return object
+     */
+    public function get_data_store() {
+        return $this->data_store;
+    }
+
+    /**
+     * Returns the unique ID for this object.
+     *
+     * @since  1.0.19
+     * @return int
+     */
+    public function get_id() {
+        return $this->id;
+    }
+
+    /**
+     * Delete an object, set the ID to 0, and return result.
+     *
+     * @since  1.0.19
+     * @param  bool $force_delete Should the data be deleted permanently.
+     * @return bool result
+     */
+    public function delete( $force_delete = false ) {
+        if ( $this->data_store ) {
+            $this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
+            $this->set_id( 0 );
+            return true;
+        }
+        return false;
+    }
+
+    /**
+     * Save should create or update based on object existence.
+     *
+     * @since  1.0.19
+     * @return int
+     */
+    public function save() {
+        if ( ! $this->data_store ) {
+            return $this->get_id();
+        }
+
+        /**
+         * Trigger action before saving to the DB. Allows you to adjust object props before save.
+         *
+         * @param GetPaid_Data          $this The object being saved.
+         * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
+         */
+        do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
+
+        if ( $this->get_id() ) {
+            $this->data_store->update( $this );
+        } else {
+            $this->data_store->create( $this );
+        }
+
+        /**
+         * Trigger action after saving to the DB.
+         *
+         * @param GetPaid_Data          $this The object being saved.
+         * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
+         */
+        do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
+
+        return $this->get_id();
+    }
+
+    /**
+     * Change data to JSON format.
+     *
+     * @since  1.0.19
+     * @return string Data in JSON format.
+     */
+    public function __toString() {
+        return wp_json_encode( $this->get_data() );
+    }
+
+    /**
+     * Returns all data for this object.
+     *
+     * @since  1.0.19
+     * @return array
+     */
+    public function get_data() {
+        return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
+    }
+
+    /**
+     * Returns array of expected data keys for this object.
+     *
+     * @since   1.0.19
+     * @return array
+     */
+    public function get_data_keys() {
+        return array_keys( $this->data );
+    }
+
+    /**
+     * Returns all "extra" data keys for an object (for sub objects like item types).
+     *
+     * @since  1.0.19
+     * @return array
+     */
+    public function get_extra_data_keys() {
+        return array_keys( $this->extra_data );
+    }
+
+    /**
+     * Filter null meta values from array.
+     *
+     * @since  1.0.19
+     * @param mixed $meta Meta value to check.
+     * @return bool
+     */
+    protected function filter_null_meta( $meta ) {
+        return ! is_null( $meta->value );
+    }
+
+    /**
+     * Get All Meta Data.
+     *
+     * @since 1.0.19
+     * @return array of objects.
+     */
+    public function get_meta_data() {
+        $this->maybe_read_meta_data();
+        return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
+    }
+
+    /**
+     * Check if the key is an internal one.
+     *
+     * @since  1.0.19
+     * @param  string $key Key to check.
+     * @return bool   true if it's an internal key, false otherwise
+     */
+    protected function is_internal_meta_key( $key ) {
+        $internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
+
+        if ( ! $internal_meta_key ) {
+            return false;
+        }
+
+        $has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
+
+        if ( ! $has_setter_or_getter ) {
+            return false;
+        }
+
+        /* translators: %s: $key Key to check */
+        getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
+
+        return true;
+    }
+
+    /**
+     * Get Meta Data by Key.
+     *
+     * @since  1.0.19
+     * @param  string $key Meta Key.
+     * @param  bool   $single return first found meta with key, or all with $key.
+     * @param  string $context What the value is for. Valid values are view and edit.
+     * @return mixed
+     */
+    public function get_meta( $key = '', $single = true, $context = 'view' ) {
+
+        // Check if this is an internal meta key.
+        if ( $this->is_internal_meta_key( $key ) ) {
+            $function = 'get_' . $key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}();
+            }
+        }
+
+        // Read the meta data if not yet read.
+        $this->maybe_read_meta_data();
+        $meta_data  = $this->get_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
+        $value      = $single ? '' : array();
+
+        if ( ! empty( $array_keys ) ) {
+            // We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
+            if ( $single ) {
+                $value = $meta_data[ current( $array_keys ) ]->value;
+            } else {
+                $value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
+            }
+        }
+
+        if ( 'view' === $context ) {
+            $value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
+        }
+
+        return $value;
+    }
+
+    /**
+     * See if meta data exists, since get_meta always returns a '' or array().
+     *
+     * @since  1.0.19
+     * @param  string $key Meta Key.
+     * @return boolean
+     */
+    public function meta_exists( $key = '' ) {
+        $this->maybe_read_meta_data();
+        $array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
+        return in_array( $key, $array_keys, true );
+    }
+
+    /**
+     * Set all meta data from array.
+     *
+     * @since 1.0.19
+     * @param array $data Key/Value pairs.
+     */
+    public function set_meta_data( $data ) {
+        if ( ! empty( $data ) && is_array( $data ) ) {
+            $this->maybe_read_meta_data();
+            foreach ( $data as $meta ) {
+                $meta = (array) $meta;
+                if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
+                    $this->meta_data[] = new GetPaid_Meta_Data(
+                        array(
+                            'id'    => $meta['id'],
+                            'key'   => $meta['key'],
+                            'value' => $meta['value'],
+                        )
+                    );
+                }
+            }
+        }
+    }
+
+    /**
+     * Add meta data.
+     *
+     * @since 1.0.19
+     *
+     * @param string       $key Meta key.
+     * @param string|array $value Meta value.
+     * @param bool         $unique Should this be a unique key?.
+     */
+    public function add_meta_data( $key, $value, $unique = false ) {
+        if ( $this->is_internal_meta_key( $key ) ) {
+            $function = 'set_' . $key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}( $value );
+            }
+        }
+
+        $this->maybe_read_meta_data();
+        if ( $unique ) {
+            $this->delete_meta_data( $key );
+        }
+        $this->meta_data[] = new GetPaid_Meta_Data(
+            array(
+                'key'   => $key,
+                'value' => $value,
+            )
+        );
+    }
+
+    /**
+     * Update meta data by key or ID, if provided.
+     *
+     * @since  1.0.19
+     *
+     * @param  string       $key Meta key.
+     * @param  string|array $value Meta value.
+     * @param  int          $meta_id Meta ID.
+     */
+    public function update_meta_data( $key, $value, $meta_id = 0 ) {
+        if ( $this->is_internal_meta_key( $key ) ) {
+            $function = 'set_' . $key;
+
+            if ( is_callable( array( $this, $function ) ) ) {
+                return $this->{$function}( $value );
+            }
+        }
+
+        $this->maybe_read_meta_data();
+
+        $array_key = false;
+
+        if ( $meta_id ) {
+            $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
+            $array_key  = $array_keys ? current( $array_keys ) : false;
+        } else {
+            // Find matches by key.
+            $matches = array();
+            foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
+                if ( $meta->key === $key ) {
+                    $matches[] = $meta_data_array_key;
+                }
+            }
+
+            if ( ! empty( $matches ) ) {
+                // Set matches to null so only one key gets the new value.
+                foreach ( $matches as $meta_data_array_key ) {
+                    $this->meta_data[ $meta_data_array_key ]->value = null;
+                }
+                $array_key = current( $matches );
+            }
+        }
+
+        if ( false !== $array_key ) {
+            $meta        = $this->meta_data[ $array_key ];
+            $meta->key   = $key;
+            $meta->value = $value;
+        } else {
+            $this->add_meta_data( $key, $value, true );
+        }
+    }
+
+    /**
+     * Delete meta data.
+     *
+     * @since 1.0.19
+     * @param string $key Meta key.
+     */
+    public function delete_meta_data( $key ) {
+        $this->maybe_read_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
+
+        if ( $array_keys ) {
+            foreach ( $array_keys as $array_key ) {
+                $this->meta_data[ $array_key ]->value = null;
+            }
+        }
+    }
+
+    /**
+     * Delete meta data.
+     *
+     * @since 1.0.19
+     * @param int $mid Meta ID.
+     */
+    public function delete_meta_data_by_mid( $mid ) {
+        $this->maybe_read_meta_data();
+        $array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
+
+        if ( $array_keys ) {
+            foreach ( $array_keys as $array_key ) {
+                $this->meta_data[ $array_key ]->value = null;
+            }
+        }
+    }
+
+    /**
+     * Read meta data if null.
+     *
+     * @since 1.0.19
+     */
+    protected function maybe_read_meta_data() {
+        if ( is_null( $this->meta_data ) ) {
+            $this->read_meta_data();
+        }
+    }
+
+    /**
+     * Read Meta Data from the database. Ignore any internal properties.
+     * Uses it's own caches because get_metadata does not provide meta_ids.
+     *
+     * @since 1.0.19
+     * @param bool $force_read True to force a new DB read (and update cache).
+     */
+    public function read_meta_data( $force_read = false ) {
+        $this->meta_data = array();
+        $cache_loaded    = false;
+
+        if ( ! $this->get_id() ) {
+            return;
+        }
+
+        if ( ! $this->data_store ) {
+            return;
+        }
+
+        if ( ! empty( $this->cache_group ) ) {
+            // Prefix by group allows invalidation by group until https://core.trac.wordpress.org/ticket/4476 is implemented.
+            $cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
+        }
+
+        if ( ! $force_read ) {
+            if ( ! empty( $this->cache_group ) ) {
+                $cached_meta  = wp_cache_get( $cache_key, $this->cache_group );
+                $cache_loaded = ! empty( $cached_meta );
+            }
+        }
+
+        $raw_meta_data = $cache_loaded ? $cached_meta : $this->data_store->read_meta( $this );
+        if ( $raw_meta_data ) {
+            foreach ( $raw_meta_data as $meta ) {
+                $this->meta_data[] = new GetPaid_Meta_Data(
+                    array(
+                        'id'    => (int) $meta->meta_id,
+                        'key'   => $meta->meta_key,
+                        'value' => maybe_unserialize( $meta->meta_value ),
+                    )
+                );
+            }
+
+            if ( ! $cache_loaded && ! empty( $this->cache_group ) ) {
+                wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
+            }
+        }
+    }
+
+    /**
+     * Update Meta Data in the database.
+     *
+     * @since 1.0.19
+     */
+    public function save_meta_data() {
+        if ( ! $this->data_store || is_null( $this->meta_data ) ) {
+            return;
+        }
+        foreach ( $this->meta_data as $array_key => $meta ) {
+            if ( is_null( $meta->value ) ) {
+                if ( ! empty( $meta->id ) ) {
+                    $this->data_store->delete_meta( $this, $meta );
+                    unset( $this->meta_data[ $array_key ] );
+                }
+            } elseif ( empty( $meta->id ) ) {
+                $meta->id = $this->data_store->add_meta( $this, $meta );
+                $meta->apply_changes();
+            } else {
+                if ( $meta->get_changes() ) {
+                    $this->data_store->update_meta( $this, $meta );
+                    $meta->apply_changes();
+                }
+            }
+        }
+        if ( ! empty( $this->cache_group ) ) {
+            $cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
+            wp_cache_delete( $cache_key, $this->cache_group );
+        }
+    }
+
+    /**
+     * Set ID.
+     *
+     * @since 1.0.19
+     * @param int $id ID.
+     */
+    public function set_id( $id ) {
+        $this->id = absint( $id );
+    }
+
+    /**
+     * Set all props to default values.
+     *
+     * @since 1.0.19
+     */
+    public function set_defaults() {
+        $this->data    = $this->default_data;
+        $this->changes = array();
+        $this->set_object_read( false );
+    }
+
+    /**
+     * Set object read property.
+     *
+     * @since 1.0.19
+     * @param boolean $read Should read?.
+     */
+    public function set_object_read( $read = true ) {
+        $this->object_read = (bool) $read;
+    }
+
+    /**
+     * Get object read property.
+     *
+     * @since  1.0.19
+     * @return boolean
+     */
+    public function get_object_read() {
+        return (bool) $this->object_read;
+    }
+
+    /**
+     * Set a collection of props in one go, collect any errors, and return the result.
+     * Only sets using public methods.
+     *
+     * @since  1.0.19
+     *
+     * @param array  $props Key value pairs to set. Key is the prop and should map to a setter function name.
+     * @param string $context In what context to run this.
+     *
+     * @return bool|WP_Error
+     */
+    public function set_props( $props, $context = 'set' ) {
+        $errors = false;
+
+        foreach ( $props as $prop => $value ) {
+            try {
+                /**
+                 * Checks if the prop being set is allowed, and the value is not null.
+                 */
+                if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
+                    continue;
+                }
+                $setter = "set_$prop";
+
+                if ( is_callable( array( $this, $setter ) ) ) {
+                    $this->{$setter}( $value );
+                }
+            } catch ( Exception $e ) {
+                if ( ! $errors ) {
+                    $errors = new WP_Error();
+                }
+                $errors->add( $e->getCode(), $e->getMessage() );
+            }
+        }
+
+        return $errors && count( $errors->get_error_codes() ) ? $errors : true;
+    }
+
+    /**
+     * Sets a prop for a setter method.
+     *
+     * This stores changes in a special array so we can track what needs saving
+     * the the DB later.
+     *
+     * @since 1.0.19
+     * @param string $prop Name of prop to set.
+     * @param mixed  $value Value of the prop.
+     */
+    protected function set_prop( $prop, $value ) {
+        if ( array_key_exists( $prop, $this->data ) ) {
+            if ( true === $this->object_read ) {
+                if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
+                    $this->changes[ $prop ] = $value;
+                }
+            } else {
+                $this->data[ $prop ] = $value;
+            }
+        }
+    }
+
+    /**
+     * Return data changes only.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    public function get_changes() {
+        return $this->changes;
+    }
+
+    /**
+     * Merge changes with data and clear.
+     *
+     * @since 1.0.19
+     */
+    public function apply_changes() {
+        $this->data    = array_replace_recursive( $this->data, $this->changes );
+        $this->changes = array();
+    }
+
+    /**
+     * Prefix for action and filter hooks on data.
+     *
+     * @since  1.0.19
+     * @return string
+     */
+    protected function get_hook_prefix() {
+        return 'wpinv_get_' . $this->object_type . '_';
+    }
+
+    /**
+     * Gets a prop for a getter method.
+     *
+     * Gets the value from either current pending changes, or the data itself.
+     * Context controls what happens to the value before it's returned.
+     *
+     * @since  1.0.19
+     * @param  string $prop Name of prop to get.
+     * @param  string $context What the value is for. Valid values are view and edit.
+     * @return mixed
+     */
+    protected function get_prop( $prop, $context = 'view' ) {
+        $value = null;
+
+        if ( array_key_exists( $prop, $this->data ) ) {
+            $value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
+
+            if ( 'view' === $context ) {
+                $value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
+            }
+        }
+
+        return $value;
+    }
+
+    /**
+     * Sets a date prop whilst handling formatting and datetime objects.
+     *
+     * @since 1.0.19
+     * @param string         $prop Name of prop to set.
+     * @param string|integer $value Value of the prop.
+     */
+    protected function set_date_prop( $prop, $value ) {
+
+        if ( empty( $value ) ) {
+            $this->set_prop( $prop, null );
+            return;
+        }
+        $this->set_prop( $prop, $value );
+
+    }
+
+    /**
+     * When invalid data is found, throw an exception unless reading from the DB.
+     *
+     * @throws Exception Data Exception.
+     * @since 1.0.19
+     * @param string $code             Error code.
+     * @param string $message          Error message.
+     */
+    protected function error( $code, $message ) {
+        throw new Exception( $message, $code );
+    }
 }

Spacing +145 added lines, -145 removed lines

@@ -8,7 +8,7 @@ 
  *
  */
 
-if ( ! defined( 'ABSPATH' ) ) {
+if (!defined('ABSPATH')) {
 	exit;
 }
 
@@ -109,8 +109,8 @@ 
 	 *
 	 * @param int|object|array $read ID to load from the DB (optional) or already queried data.
 	 */
-	public function __construct( $read = 0 ) {
-		$this->data         = array_merge( $this->data, $this->extra_data );
+	public function __construct($read = 0) {
+		$this->data         = array_merge($this->data, $this->extra_data);
 		$this->default_data = $this->data;
 	}
 
@@ -120,7 +120,7 @@ 
 	 * @return array
 	 */
 	public function __sleep() {
-		return array( 'id' );
+		return array('id');
 	}
 
 	/**
@@ -130,10 +130,10 @@ 
 	 */
 	public function __wakeup() {
 		try {
-			$this->__construct( absint( $this->id ) );
-		} catch ( Exception $e ) {
-			$this->set_id( 0 );
-			$this->set_object_read( true );
+			$this->__construct(absint($this->id));
+		} catch (Exception $e) {
+			$this->set_id(0);
+			$this->set_object_read(true);
 		}
 	}
 
@@ -144,11 +144,11 @@ 
 	 */
 	public function __clone() {
 		$this->maybe_read_meta_data();
-		if ( ! empty( $this->meta_data ) ) {
-			foreach ( $this->meta_data as $array_key => $meta ) {
-				$this->meta_data[ $array_key ] = clone $meta;
-				if ( ! empty( $meta->id ) ) {
-					$this->meta_data[ $array_key ]->id = null;
+		if (!empty($this->meta_data)) {
+			foreach ($this->meta_data as $array_key => $meta) {
+				$this->meta_data[$array_key] = clone $meta;
+				if (!empty($meta->id)) {
+					$this->meta_data[$array_key]->id = null;
 				}
 			}
 		}
@@ -181,10 +181,10 @@ 
 	 * @param  bool $force_delete Should the data be deleted permanently.
 	 * @return bool result
 	 */
-	public function delete( $force_delete = false ) {
-		if ( $this->data_store ) {
-			$this->data_store->delete( $this, array( 'force_delete' => $force_delete ) );
-			$this->set_id( 0 );
+	public function delete($force_delete = false) {
+		if ($this->data_store) {
+			$this->data_store->delete($this, array('force_delete' => $force_delete));
+			$this->set_id(0);
 			return true;
 		}
 		return false;
@@ -197,7 +197,7 @@ 
 	 * @return int
 	 */
 	public function save() {
-		if ( ! $this->data_store ) {
+		if (!$this->data_store) {
 			return $this->get_id();
 		}
 
@@ -207,12 +207,12 @@ 
 		 * @param GetPaid_Data          $this The object being saved.
 		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
 		 */
-		do_action( 'getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store );
+		do_action('getpaid_before_' . $this->object_type . '_object_save', $this, $this->data_store);
 
-		if ( $this->get_id() ) {
-			$this->data_store->update( $this );
+		if ($this->get_id()) {
+			$this->data_store->update($this);
 		} else {
-			$this->data_store->create( $this );
+			$this->data_store->create($this);
 		}
 
 		/**
@@ -221,7 +221,7 @@ 
 		 * @param GetPaid_Data          $this The object being saved.
 		 * @param GetPaid_Data_Store_WP $data_store The data store persisting the data.
 		 */
-		do_action( 'getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store );
+		do_action('getpaid_after_' . $this->object_type . '_object_save', $this, $this->data_store);
 
 		return $this->get_id();
 	}
@@ -233,7 +233,7 @@ 
 	 * @return string Data in JSON format.
 	 */
 	public function __toString() {
-		return wp_json_encode( $this->get_data() );
+		return wp_json_encode($this->get_data());
 	}
 
 	/**
@@ -243,7 +243,7 @@ 
 	 * @return array
 	 */
 	public function get_data() {
-		return array_merge( array( 'id' => $this->get_id() ), $this->data, array( 'meta_data' => $this->get_meta_data() ) );
+		return array_merge(array('id' => $this->get_id()), $this->data, array('meta_data' => $this->get_meta_data()));
 	}
 
 	/**
@@ -253,7 +253,7 @@ 
 	 * @return array
 	 */
 	public function get_data_keys() {
-		return array_keys( $this->data );
+		return array_keys($this->data);
 	}
 
 	/**
@@ -263,7 +263,7 @@ 
 	 * @return array
 	 */
 	public function get_extra_data_keys() {
-		return array_keys( $this->extra_data );
+		return array_keys($this->extra_data);
 	}
 
 	/**
@@ -273,8 +273,8 @@ 
 	 * @param mixed $meta Meta value to check.
 	 * @return bool
 	 */
-	protected function filter_null_meta( $meta ) {
-		return ! is_null( $meta->value );
+	protected function filter_null_meta($meta) {
+		return !is_null($meta->value);
 	}
 
 	/**
@@ -285,7 +285,7 @@ 
 	 */
 	public function get_meta_data() {
 		$this->maybe_read_meta_data();
-		return array_values( array_filter( $this->meta_data, array( $this, 'filter_null_meta' ) ) );
+		return array_values(array_filter($this->meta_data, array($this, 'filter_null_meta')));
 	}
 
 	/**
@@ -295,21 +295,21 @@ 
 	 * @param  string $key Key to check.
 	 * @return bool   true if it's an internal key, false otherwise
 	 */
-	protected function is_internal_meta_key( $key ) {
-		$internal_meta_key = ! empty( $key ) && $this->data_store && in_array( $key, $this->data_store->get_internal_meta_keys(), true );
+	protected function is_internal_meta_key($key) {
+		$internal_meta_key = !empty($key) && $this->data_store && in_array($key, $this->data_store->get_internal_meta_keys(), true);
 
-		if ( ! $internal_meta_key ) {
+		if (!$internal_meta_key) {
 			return false;
 		}
 
-		$has_setter_or_getter = is_callable( array( $this, 'set_' . $key ) ) || is_callable( array( $this, 'get_' . $key ) );
+		$has_setter_or_getter = is_callable(array($this, 'set_' . $key)) || is_callable(array($this, 'get_' . $key));
 
-		if ( ! $has_setter_or_getter ) {
+		if (!$has_setter_or_getter) {
 			return false;
 		}
 
 		/* translators: %s: $key Key to check */
-		getpaid_doing_it_wrong( __FUNCTION__, sprintf( __( 'Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'getpaid' ), $key ), '1.0.19' );
+		getpaid_doing_it_wrong(__FUNCTION__, sprintf(__('Generic add/update/get meta methods should not be used for internal meta data, including "%s". Use getters and setters.', 'getpaid'), $key), '1.0.19');
 
 		return true;
 	}
@@ -323,13 +323,13 @@ 
 	 * @param  string $context What the value is for. Valid values are view and edit.
 	 * @return mixed
 	 */
-	public function get_meta( $key = '', $single = true, $context = 'view' ) {
+	public function get_meta($key = '', $single = true, $context = 'view') {
 
 		// Check if this is an internal meta key.
-		if ( $this->is_internal_meta_key( $key ) ) {
+		if ($this->is_internal_meta_key($key)) {
 			$function = 'get_' . $key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
+			if (is_callable(array($this, $function))) {
 				return $this->{$function}();
 			}
 		}
@@ -337,20 +337,20 @@ 
 		// Read the meta data if not yet read.
 		$this->maybe_read_meta_data();
 		$meta_data  = $this->get_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $meta_data, 'key' ), $key, true );
+		$array_keys = array_keys(wp_list_pluck($meta_data, 'key'), $key, true);
 		$value      = $single ? '' : array();
 
-		if ( ! empty( $array_keys ) ) {
+		if (!empty($array_keys)) {
 			// We don't use the $this->meta_data property directly here because we don't want meta with a null value (i.e. meta which has been deleted via $this->delete_meta_data()).
-			if ( $single ) {
-				$value = $meta_data[ current( $array_keys ) ]->value;
+			if ($single) {
+				$value = $meta_data[current($array_keys)]->value;
 			} else {
-				$value = array_intersect_key( $meta_data, array_flip( $array_keys ) );
+				$value = array_intersect_key($meta_data, array_flip($array_keys));
 			}
 		}
 
-		if ( 'view' === $context ) {
-			$value = apply_filters( $this->get_hook_prefix() . $key, $value, $this );
+		if ('view' === $context) {
+			$value = apply_filters($this->get_hook_prefix() . $key, $value, $this);
 		}
 
 		return $value;
@@ -363,10 +363,10 @@ 
 	 * @param  string $key Meta Key.
 	 * @return boolean
 	 */
-	public function meta_exists( $key = '' ) {
+	public function meta_exists($key = '') {
 		$this->maybe_read_meta_data();
-		$array_keys = wp_list_pluck( $this->get_meta_data(), 'key' );
-		return in_array( $key, $array_keys, true );
+		$array_keys = wp_list_pluck($this->get_meta_data(), 'key');
+		return in_array($key, $array_keys, true);
 	}
 
 	/**
@@ -375,12 +375,12 @@ 
 	 * @since 1.0.19
 	 * @param array $data Key/Value pairs.
 	 */
-	public function set_meta_data( $data ) {
-		if ( ! empty( $data ) && is_array( $data ) ) {
+	public function set_meta_data($data) {
+		if (!empty($data) && is_array($data)) {
 			$this->maybe_read_meta_data();
-			foreach ( $data as $meta ) {
+			foreach ($data as $meta) {
 				$meta = (array) $meta;
-				if ( isset( $meta['key'], $meta['value'], $meta['id'] ) ) {
+				if (isset($meta['key'], $meta['value'], $meta['id'])) {
 					$this->meta_data[] = new GetPaid_Meta_Data(
 						array(
 							'id'    => $meta['id'],
@@ -402,18 +402,18 @@ 
 	 * @param string|array $value Meta value.
 	 * @param bool         $unique Should this be a unique key?.
 	 */
-	public function add_meta_data( $key, $value, $unique = false ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
+	public function add_meta_data($key, $value, $unique = false) {
+		if ($this->is_internal_meta_key($key)) {
 			$function = 'set_' . $key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
+			if (is_callable(array($this, $function))) {
+				return $this->{$function}($value);
 			}
 		}
 
 		$this->maybe_read_meta_data();
-		if ( $unique ) {
-			$this->delete_meta_data( $key );
+		if ($unique) {
+			$this->delete_meta_data($key);
 		}
 		$this->meta_data[] = new GetPaid_Meta_Data(
 			array(
@@ -432,12 +432,12 @@ 
 	 * @param  string|array $value Meta value.
 	 * @param  int          $meta_id Meta ID.
 	 */
-	public function update_meta_data( $key, $value, $meta_id = 0 ) {
-		if ( $this->is_internal_meta_key( $key ) ) {
+	public function update_meta_data($key, $value, $meta_id = 0) {
+		if ($this->is_internal_meta_key($key)) {
 			$function = 'set_' . $key;
 
-			if ( is_callable( array( $this, $function ) ) ) {
-				return $this->{$function}( $value );
+			if (is_callable(array($this, $function))) {
+				return $this->{$function}($value);
 			}
 		}
 
@@ -445,33 +445,33 @@ 
 
 		$array_key = false;
 
-		if ( $meta_id ) {
-			$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), $meta_id, true );
-			$array_key  = $array_keys ? current( $array_keys ) : false;
+		if ($meta_id) {
+			$array_keys = array_keys(wp_list_pluck($this->meta_data, 'id'), $meta_id, true);
+			$array_key  = $array_keys ? current($array_keys) : false;
 		} else {
 			// Find matches by key.
 			$matches = array();
-			foreach ( $this->meta_data as $meta_data_array_key => $meta ) {
-				if ( $meta->key === $key ) {
+			foreach ($this->meta_data as $meta_data_array_key => $meta) {
+				if ($meta->key === $key) {
 					$matches[] = $meta_data_array_key;
 				}
 			}
 
-			if ( ! empty( $matches ) ) {
+			if (!empty($matches)) {
 				// Set matches to null so only one key gets the new value.
-				foreach ( $matches as $meta_data_array_key ) {
-					$this->meta_data[ $meta_data_array_key ]->value = null;
+				foreach ($matches as $meta_data_array_key) {
+					$this->meta_data[$meta_data_array_key]->value = null;
 				}
-				$array_key = current( $matches );
+				$array_key = current($matches);
 			}
 		}
 
-		if ( false !== $array_key ) {
-			$meta        = $this->meta_data[ $array_key ];
+		if (false !== $array_key) {
+			$meta        = $this->meta_data[$array_key];
 			$meta->key   = $key;
 			$meta->value = $value;
 		} else {
-			$this->add_meta_data( $key, $value, true );
+			$this->add_meta_data($key, $value, true);
 		}
 	}
 
@@ -481,13 +481,13 @@ 
 	 * @since 1.0.19
 	 * @param string $key Meta key.
 	 */
-	public function delete_meta_data( $key ) {
+	public function delete_meta_data($key) {
 		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'key' ), $key, true );
+		$array_keys = array_keys(wp_list_pluck($this->meta_data, 'key'), $key, true);
 
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
+		if ($array_keys) {
+			foreach ($array_keys as $array_key) {
+				$this->meta_data[$array_key]->value = null;
 			}
 		}
 	}
@@ -498,13 +498,13 @@ 
 	 * @since 1.0.19
 	 * @param int $mid Meta ID.
 	 */
-	public function delete_meta_data_by_mid( $mid ) {
+	public function delete_meta_data_by_mid($mid) {
 		$this->maybe_read_meta_data();
-		$array_keys = array_keys( wp_list_pluck( $this->meta_data, 'id' ), (int) $mid, true );
+		$array_keys = array_keys(wp_list_pluck($this->meta_data, 'id'), (int) $mid, true);
 
-		if ( $array_keys ) {
-			foreach ( $array_keys as $array_key ) {
-				$this->meta_data[ $array_key ]->value = null;
+		if ($array_keys) {
+			foreach ($array_keys as $array_key) {
+				$this->meta_data[$array_key]->value = null;
 			}
 		}
 	}
@@ -515,7 +515,7 @@ 
 	 * @since 1.0.19
 	 */
 	protected function maybe_read_meta_data() {
-		if ( is_null( $this->meta_data ) ) {
+		if (is_null($this->meta_data)) {
 			$this->read_meta_data();
 		}
 	}
@@ -527,44 +527,44 @@ 
 	 * @since 1.0.19
 	 * @param bool $force_read True to force a new DB read (and update cache).
 	 */
-	public function read_meta_data( $force_read = false ) {
+	public function read_meta_data($force_read = false) {
 		$this->meta_data = array();
 		$cache_loaded    = false;
 
-		if ( ! $this->get_id() ) {
+		if (!$this->get_id()) {
 			return;
 		}
 
-		if ( ! $this->data_store ) {
+		if (!$this->data_store) {
 			return;
 		}
 
-		if ( ! empty( $this->cache_group ) ) {
+		if (!empty($this->cache_group)) {
 			// Prefix by group allows invalidation by group until https://core.trac.wordpress.org/ticket/4476 is implemented.
-			$cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
+			$cache_key = GetPaid_Cache_Helper::get_cache_prefix($this->cache_group) . GetPaid_Cache_Helper::get_cache_prefix('object_' . $this->get_id()) . 'object_meta_' . $this->get_id();
 		}
 
-		if ( ! $force_read ) {
-			if ( ! empty( $this->cache_group ) ) {
-				$cached_meta  = wp_cache_get( $cache_key, $this->cache_group );
-				$cache_loaded = ! empty( $cached_meta );
+		if (!$force_read) {
+			if (!empty($this->cache_group)) {
+				$cached_meta  = wp_cache_get($cache_key, $this->cache_group);
+				$cache_loaded = !empty($cached_meta);
 			}
 		}
 
-		$raw_meta_data = $cache_loaded ? $cached_meta : $this->data_store->read_meta( $this );
-		if ( $raw_meta_data ) {
-			foreach ( $raw_meta_data as $meta ) {
+		$raw_meta_data = $cache_loaded ? $cached_meta : $this->data_store->read_meta($this);
+		if ($raw_meta_data) {
+			foreach ($raw_meta_data as $meta) {
 				$this->meta_data[] = new GetPaid_Meta_Data(
 					array(
 						'id'    => (int) $meta->meta_id,
 						'key'   => $meta->meta_key,
-						'value' => maybe_unserialize( $meta->meta_value ),
+						'value' => maybe_unserialize($meta->meta_value),
 					)
 				);
 			}
 
-			if ( ! $cache_loaded && ! empty( $this->cache_group ) ) {
-				wp_cache_set( $cache_key, $raw_meta_data, $this->cache_group );
+			if (!$cache_loaded && !empty($this->cache_group)) {
+				wp_cache_set($cache_key, $raw_meta_data, $this->cache_group);
 			}
 		}
 	}
@@ -575,28 +575,28 @@ 
 	 * @since 1.0.19
 	 */
 	public function save_meta_data() {
-		if ( ! $this->data_store || is_null( $this->meta_data ) ) {
+		if (!$this->data_store || is_null($this->meta_data)) {
 			return;
 		}
-		foreach ( $this->meta_data as $array_key => $meta ) {
-			if ( is_null( $meta->value ) ) {
-				if ( ! empty( $meta->id ) ) {
-					$this->data_store->delete_meta( $this, $meta );
-					unset( $this->meta_data[ $array_key ] );
+		foreach ($this->meta_data as $array_key => $meta) {
+			if (is_null($meta->value)) {
+				if (!empty($meta->id)) {
+					$this->data_store->delete_meta($this, $meta);
+					unset($this->meta_data[$array_key]);
 				}
-			} elseif ( empty( $meta->id ) ) {
-				$meta->id = $this->data_store->add_meta( $this, $meta );
+			} elseif (empty($meta->id)) {
+				$meta->id = $this->data_store->add_meta($this, $meta);
 				$meta->apply_changes();
 			} else {
-				if ( $meta->get_changes() ) {
-					$this->data_store->update_meta( $this, $meta );
+				if ($meta->get_changes()) {
+					$this->data_store->update_meta($this, $meta);
 					$meta->apply_changes();
 				}
 			}
 		}
-		if ( ! empty( $this->cache_group ) ) {
-			$cache_key = GetPaid_Cache_Helper::get_cache_prefix( $this->cache_group ) . GetPaid_Cache_Helper::get_cache_prefix( 'object_' . $this->get_id() ) . 'object_meta_' . $this->get_id();
-			wp_cache_delete( $cache_key, $this->cache_group );
+		if (!empty($this->cache_group)) {
+			$cache_key = GetPaid_Cache_Helper::get_cache_prefix($this->cache_group) . GetPaid_Cache_Helper::get_cache_prefix('object_' . $this->get_id()) . 'object_meta_' . $this->get_id();
+			wp_cache_delete($cache_key, $this->cache_group);
 		}
 	}
 
@@ -606,8 +606,8 @@ 
 	 * @since 1.0.19
 	 * @param int $id ID.
 	 */
-	public function set_id( $id ) {
-		$this->id = absint( $id );
+	public function set_id($id) {
+		$this->id = absint($id);
 	}
 
 	/**
@@ -618,7 +618,7 @@ 
 	public function set_defaults() {
 		$this->data    = $this->default_data;
 		$this->changes = array();
-		$this->set_object_read( false );
+		$this->set_object_read(false);
 	}
 
 	/**
@@ -627,7 +627,7 @@ 
 	 * @since 1.0.19
 	 * @param boolean $read Should read?.
 	 */
-	public function set_object_read( $read = true ) {
+	public function set_object_read($read = true) {
 		$this->object_read = (bool) $read;
 	}
 
@@ -652,31 +652,31 @@ 
 	 *
 	 * @return bool|WP_Error
 	 */
-	public function set_props( $props, $context = 'set' ) {
+	public function set_props($props, $context = 'set') {
 		$errors = false;
 
-		foreach ( $props as $prop => $value ) {
+		foreach ($props as $prop => $value) {
 			try {
 				/**
 				 * Checks if the prop being set is allowed, and the value is not null.
 				 */
-				if ( is_null( $value ) || in_array( $prop, array( 'prop', 'date_prop', 'meta_data' ), true ) ) {
+				if (is_null($value) || in_array($prop, array('prop', 'date_prop', 'meta_data'), true)) {
 					continue;
 				}
 				$setter = "set_$prop";
 
-				if ( is_callable( array( $this, $setter ) ) ) {
-					$this->{$setter}( $value );
+				if (is_callable(array($this, $setter))) {
+					$this->{$setter}($value);
 				}
-			} catch ( Exception $e ) {
-				if ( ! $errors ) {
+			} catch (Exception $e) {
+				if (!$errors) {
 					$errors = new WP_Error();
 				}
-				$errors->add( $e->getCode(), $e->getMessage() );
+				$errors->add($e->getCode(), $e->getMessage());
 			}
 		}
 
-		return $errors && count( $errors->get_error_codes() ) ? $errors : true;
+		return $errors && count($errors->get_error_codes()) ? $errors : true;
 	}
 
 	/**
@@ -689,14 +689,14 @@ 
 	 * @param string $prop Name of prop to set.
 	 * @param mixed  $value Value of the prop.
 	 */
-	protected function set_prop( $prop, $value ) {
-		if ( array_key_exists( $prop, $this->data ) ) {
-			if ( true === $this->object_read ) {
-				if ( $value !== $this->data[ $prop ] || array_key_exists( $prop, $this->changes ) ) {
-					$this->changes[ $prop ] = $value;
+	protected function set_prop($prop, $value) {
+		if (array_key_exists($prop, $this->data)) {
+			if (true === $this->object_read) {
+				if ($value !== $this->data[$prop] || array_key_exists($prop, $this->changes)) {
+					$this->changes[$prop] = $value;
 				}
 			} else {
-				$this->data[ $prop ] = $value;
+				$this->data[$prop] = $value;
 			}
 		}
 	}
@@ -717,7 +717,7 @@ 
 	 * @since 1.0.19
 	 */
 	public function apply_changes() {
-		$this->data    = array_replace_recursive( $this->data, $this->changes );
+		$this->data    = array_replace_recursive($this->data, $this->changes);
 		$this->changes = array();
 	}
 
@@ -742,14 +742,14 @@ 
 	 * @param  string $context What the value is for. Valid values are view and edit.
 	 * @return mixed
 	 */
-	protected function get_prop( $prop, $context = 'view' ) {
+	protected function get_prop($prop, $context = 'view') {
 		$value = null;
 
-		if ( array_key_exists( $prop, $this->data ) ) {
-			$value = array_key_exists( $prop, $this->changes ) ? $this->changes[ $prop ] : $this->data[ $prop ];
+		if (array_key_exists($prop, $this->data)) {
+			$value = array_key_exists($prop, $this->changes) ? $this->changes[$prop] : $this->data[$prop];
 
-			if ( 'view' === $context ) {
-				$value = apply_filters( $this->get_hook_prefix() . $prop, $value, $this );
+			if ('view' === $context) {
+				$value = apply_filters($this->get_hook_prefix() . $prop, $value, $this);
 			}
 		}
 
@@ -763,13 +763,13 @@ 
 	 * @param string         $prop Name of prop to set.
 	 * @param string|integer $value Value of the prop.
 	 */
-	protected function set_date_prop( $prop, $value ) {
+	protected function set_date_prop($prop, $value) {
 
-		if ( empty( $value ) ) {
-			$this->set_prop( $prop, null );
+		if (empty($value)) {
+			$this->set_prop($prop, null);
 			return;
 		}
-		$this->set_prop( $prop, $value );
+		$this->set_prop($prop, $value);
 
 	}
 
@@ -781,7 +781,7 @@ 
 	 * @param string $code             Error code.
 	 * @param string $message          Error message.
 	 */
-	protected function error( $code, $message ) {
-		throw new Exception( $message, $code );
+	protected function error($code, $message) {
+		throw new Exception($message, $code);
 	}
 }