AyeCode / invoicing

includes/data/admin-settings.php

Spacing +161 added lines, -161 removed lines

@@ -8,197 +8,197 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
-$pages = wpinv_get_pages( true );
+$pages = wpinv_get_pages(true);
     
 $currencies = wpinv_get_currencies();
     
 $currency_code_options = array();
-foreach ( $currencies as $code => $name ) {
-    $currency_code_options[ $code ] = $code . ' - ' . $name . ' (' . wpinv_currency_symbol( $code ) . ')';
+foreach ($currencies as $code => $name) {
+    $currency_code_options[$code] = $code . ' - ' . $name . ' (' . wpinv_currency_symbol($code) . ')';
 }
     
 $due_payment_options       = array();
-$due_payment_options[0]    = __( 'Now', 'invoicing' );
-for ( $i = 1; $i <= 30; $i++ ) {
+$due_payment_options[0]    = __('Now', 'invoicing');
+for ($i = 1; $i <= 30; $i++) {
     $due_payment_options[$i] = $i;
 }
     
 $invoice_number_padd_options = array();
-for ( $i = 0; $i <= 20; $i++ ) {
+for ($i = 0; $i <= 20; $i++) {
     $invoice_number_padd_options[$i] = $i;
 }
     
 $currency_symbol = wpinv_currency_symbol();
     
 $last_number = $reset_number = '';
-if ( $last_invoice_number = get_option( 'wpinv_last_invoice_number' ) ) {
-    $last_invoice_number = preg_replace( '/[^0-9]/', '', $last_invoice_number );
+if ($last_invoice_number = get_option('wpinv_last_invoice_number')) {
+    $last_invoice_number = preg_replace('/[^0-9]/', '', $last_invoice_number);
 
-    if ( !empty( $last_invoice_number ) ) {
-        $last_number = ' ' . wp_sprintf( __( "( Last Invoice's sequential number: <b>%s</b> )", 'invoicing' ), $last_invoice_number );
+    if (!empty($last_invoice_number)) {
+        $last_number = ' ' . wp_sprintf(__("( Last Invoice's sequential number: <b>%s</b> )", 'invoicing'), $last_invoice_number);
     }
 
     $nonce = wp_create_nonce('reset_invoice_count');
-    $reset_number = '<a href="'.add_query_arg(array('reset_invoice_count' => 1, '_nonce' => $nonce)).'" class="btn button">'.__('Force Reset Sequence', 'invoicing' ). '</a>';
+    $reset_number = '<a href="' . add_query_arg(array('reset_invoice_count' => 1, '_nonce' => $nonce)) . '" class="btn button">' . __('Force Reset Sequence', 'invoicing') . '</a>';
 }
     
 $alert_wrapper_start = '<p style="color: #F00">';
 $alert_wrapper_close = '</p>';
 
 return array(
-    'general' => apply_filters( 'wpinv_settings_general',
+    'general' => apply_filters('wpinv_settings_general',
         array(
             'main' => array(
                 'location_settings' => array(
                     'id'   => 'location_settings',
-                    'name' => '<h3>' . __( 'Default Location', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Default Location', 'invoicing') . '</h3>',
                     'desc' => '',
                     'type' => 'header',
                 ),
                 'default_country' => array(
                     'id'      => 'default_country',
-                    'name'    => __( 'Default Country', 'invoicing' ),
-                    'desc'    => __( 'Where does your store operate from?', 'invoicing' ),
+                    'name'    => __('Default Country', 'invoicing'),
+                    'desc'    => __('Where does your store operate from?', 'invoicing'),
                     'type'    => 'select',
                     'options' => wpinv_get_country_list(),
                     'std'     => 'GB',
                     'class'   => 'wpi_select2',
-                    'placeholder' => __( 'Select a country', 'invoicing' ),
+                    'placeholder' => __('Select a country', 'invoicing'),
                 ),
                 'default_state' => array(
                     'id'      => 'default_state',
-                    'name'    => __( 'Default State / Province', 'invoicing' ),
-                    'desc'    => __( 'What state / province does your store operate from?', 'invoicing' ),
+                    'name'    => __('Default State / Province', 'invoicing'),
+                    'desc'    => __('What state / province does your store operate from?', 'invoicing'),
                     'type'    => 'country_states',
                     'class'   => 'wpi_select2',
-                    'placeholder' => __( 'Select a state', 'invoicing' ),
+                    'placeholder' => __('Select a state', 'invoicing'),
                 ),
                 'store_name' => array(
                     'id'   => 'store_name',
-                    'name' => __( 'Store Name', 'invoicing' ),
-                    'desc' => __( 'Store name to print on invoices.', 'invoicing' ),
+                    'name' => __('Store Name', 'invoicing'),
+                    'desc' => __('Store name to print on invoices.', 'invoicing'),
                     'std'     => get_option('blogname'),
                     'type' => 'text',
                 ),
                 'logo' => array(
                     'id'   => 'logo',
-                    'name' => __( 'Logo URL', 'invoicing' ),
-                    'desc' => __( 'Store logo to print on invoices.', 'invoicing' ),
+                    'name' => __('Logo URL', 'invoicing'),
+                    'desc' => __('Store logo to print on invoices.', 'invoicing'),
                     'type' => 'text',
                 ),
                 'store_address' => array(
                     'id'   => 'store_address',
-                    'name' => __( 'Store Address', 'invoicing' ),
-                    'desc' => __( 'Enter the store address to display on invoice', 'invoicing' ),
+                    'name' => __('Store Address', 'invoicing'),
+                    'desc' => __('Enter the store address to display on invoice', 'invoicing'),
                     'type' => 'textarea',
                 ),
                 'page_settings' => array(
                     'id'   => 'page_settings',
-                    'name' => '<h3>' . __( 'Page Settings', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Page Settings', 'invoicing') . '</h3>',
                     'desc' => '',
                     'type' => 'header',
                 ),
                 'checkout_page' => array(
                     'id'          => 'checkout_page',
-                    'name'        => __( 'Checkout Page', 'invoicing' ),
-                    'desc'        => __( 'This is the checkout page where buyers will complete their payments. The <b>[wpinv_checkout]</b> short code must be on this page.', 'invoicing' ),
+                    'name'        => __('Checkout Page', 'invoicing'),
+                    'desc'        => __('This is the checkout page where buyers will complete their payments. The <b>[wpinv_checkout]</b> short code must be on this page.', 'invoicing'),
                     'type'        => 'select',
                     'options'     => $pages,
                     'class'       => 'wpi_select2',
-                    'placeholder' => __( 'Select a page', 'invoicing' ),
+                    'placeholder' => __('Select a page', 'invoicing'),
                     'help-tip'    => true,
                 ),
                 'success_page' => array(
                     'id'          => 'success_page',
-                    'name'        => __( 'Success Page', 'invoicing' ),
-                    'desc'        => __( 'This is the page buyers are sent to after completing their payments. The <b>[wpinv_receipt]</b> short code should be on this page.', 'invoicing' ),
+                    'name'        => __('Success Page', 'invoicing'),
+                    'desc'        => __('This is the page buyers are sent to after completing their payments. The <b>[wpinv_receipt]</b> short code should be on this page.', 'invoicing'),
                     'type'        => 'select',
                     'options'     => $pages,
                     'class'       => 'wpi_select2',
-                    'placeholder' => __( 'Select a page', 'invoicing' ),
+                    'placeholder' => __('Select a page', 'invoicing'),
                     'help-tip'    => true,
                 ),
                 'failure_page' => array(
                     'id'          => 'failure_page',
-                    'name'        => __( 'Failed Transaction Page', 'invoicing' ),
-                    'desc'        => __( 'This is the page buyers are sent to if their transaction is cancelled or fails.', 'invoicing' ),
+                    'name'        => __('Failed Transaction Page', 'invoicing'),
+                    'desc'        => __('This is the page buyers are sent to if their transaction is cancelled or fails.', 'invoicing'),
                     'type'        => 'select',
                     'options'     => $pages,
                     'class'       => 'wpi_select2',
-                    'placeholder' => __( 'Select a page', 'invoicing' ),
+                    'placeholder' => __('Select a page', 'invoicing'),
                     'help-tip'    => true,
                 ),
                 'invoice_history_page' => array(
                     'id'          => 'invoice_history_page',
-                    'name'        => __( 'Invoice History Page', 'invoicing' ),
-                    'desc'        => __( 'This page shows an invoice history for the current user. The <b>[wpinv_history]</b> short code should be on this page.', 'invoicing' ),
+                    'name'        => __('Invoice History Page', 'invoicing'),
+                    'desc'        => __('This page shows an invoice history for the current user. The <b>[wpinv_history]</b> short code should be on this page.', 'invoicing'),
                     'type'        => 'select',
                     'options'     => $pages,
                     'class'       => 'wpi_select2',
-                    'placeholder' => __( 'Select a page', 'invoicing' ),
+                    'placeholder' => __('Select a page', 'invoicing'),
                     'help-tip'    => true,
                 ),
                 'invoice_subscription_page' => array(
                     'id'          => 'invoice_subscription_page',
-                    'name'        => __( 'Invoice Subscriptions Page', 'invoicing' ),
-                    'desc'        => __( 'This page shows subscriptions history for the current user. The <b>[wpinv_subscriptions]</b> short code should be on this page.', 'invoicing' ),
+                    'name'        => __('Invoice Subscriptions Page', 'invoicing'),
+                    'desc'        => __('This page shows subscriptions history for the current user. The <b>[wpinv_subscriptions]</b> short code should be on this page.', 'invoicing'),
                     'type'        => 'select',
                     'options'     => $pages,
                     'class'       => 'wpi_select2',
-                    'placeholder' => __( 'Select a page', 'invoicing' ),
+                    'placeholder' => __('Select a page', 'invoicing'),
                     'help-tip'    => true,
                 ),
             ),
             'currency_section' => array(
                 'currency_settings' => array(
                     'id'   => 'currency_settings',
-                    'name' => '<h3>' . __( 'Currency Settings', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Currency Settings', 'invoicing') . '</h3>',
                     'desc' => '',
                     'type' => 'header',
                 ),
                 'currency' => array(
                     'id'      => 'currency',
-                    'name'    => __( 'Currency', 'invoicing' ),
-                    'desc'    => __( 'Choose your currency. Note that some payment gateways have currency restrictions.', 'invoicing' ),
+                    'name'    => __('Currency', 'invoicing'),
+                    'desc'    => __('Choose your currency. Note that some payment gateways have currency restrictions.', 'invoicing'),
                     'type'    => 'select',
                     'class'       => 'wpi_select2',
                     'options' => $currency_code_options,
                 ),
                 'currency_position' => array(
                     'id'      => 'currency_position',
-                    'name'    => __( 'Currency Position', 'invoicing' ),
-                    'desc'    => __( 'Choose the location of the currency sign.', 'invoicing' ),
+                    'name'    => __('Currency Position', 'invoicing'),
+                    'desc'    => __('Choose the location of the currency sign.', 'invoicing'),
                     'type'    => 'select',
                     'class'   => 'wpi_select2',
                     'options'  => array(
-                        'left'        => __( 'Left', 'invoicing' ) . ' (' . $currency_symbol . wpinv_format_amount( '99.99' ) . ')',
-                        'right'       => __( 'Right', 'invoicing' ) . ' ('. wpinv_format_amount( '99.99' ) . $currency_symbol . ')',
-                        'left_space'  => __( 'Left with space', 'invoicing' ) . ' (' . $currency_symbol . ' ' . wpinv_format_amount( '99.99' ) . ')',
-                        'right_space' => __( 'Right with space', 'invoicing' ) . ' (' . wpinv_format_amount( '99.99' ) . ' ' . $currency_symbol . ')'
+                        'left'        => __('Left', 'invoicing') . ' (' . $currency_symbol . wpinv_format_amount('99.99') . ')',
+                        'right'       => __('Right', 'invoicing') . ' (' . wpinv_format_amount('99.99') . $currency_symbol . ')',
+                        'left_space'  => __('Left with space', 'invoicing') . ' (' . $currency_symbol . ' ' . wpinv_format_amount('99.99') . ')',
+                        'right_space' => __('Right with space', 'invoicing') . ' (' . wpinv_format_amount('99.99') . ' ' . $currency_symbol . ')'
                     )
                 ),
                 'thousands_separator' => array(
                     'id'   => 'thousands_separator',
-                    'name' => __( 'Thousands Separator', 'invoicing' ),
-                    'desc' => __( 'The symbol (usually , or .) to separate thousands', 'invoicing' ),
+                    'name' => __('Thousands Separator', 'invoicing'),
+                    'desc' => __('The symbol (usually , or .) to separate thousands', 'invoicing'),
                     'type' => 'text',
                     'size' => 'small',
                     'std'  => ',',
                 ),
                 'decimal_separator' => array(
                     'id'   => 'decimal_separator',
-                    'name' => __( 'Decimal Separator', 'invoicing' ),
-                    'desc' => __( 'The symbol (usually , or .) to separate decimal points', 'invoicing' ),
+                    'name' => __('Decimal Separator', 'invoicing'),
+                    'desc' => __('The symbol (usually , or .) to separate decimal points', 'invoicing'),
                     'type' => 'text',
                     'size' => 'small',
                     'std'  => '.',
                 ),
                 'decimals' => array(
                     'id'   => 'decimals',
-                    'name' => __( 'Number of Decimals', 'invoicing' ),
-                    'desc' => __( 'This sets the number of decimal points shown in displayed prices.', 'invoicing' ),
+                    'name' => __('Number of Decimals', 'invoicing'),
+                    'desc' => __('This sets the number of decimal points shown in displayed prices.', 'invoicing'),
                     'type' => 'number',
                     'size' => 'small',
                     'std'  => '2',
@@ -210,29 +210,29 @@ 
             'labels' => array(
                 'labels' => array(
                     'id'   => 'labels_settings',
-                    'name' => '<h3>' . __( 'Invoice Labels', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Invoice Labels', 'invoicing') . '</h3>',
                     'desc' => '',
                     'type' => 'header',
                 ),
                 'vat_name' => array(
                     'id' => 'vat_name',
-                    'name' => __( 'VAT Name', 'invoicing' ),
-                    'desc' => __( 'Enter the VAT name', 'invoicing' ),
+                    'name' => __('VAT Name', 'invoicing'),
+                    'desc' => __('Enter the VAT name', 'invoicing'),
                     'type' => 'text',
                     'size' => 'regular',
-                    'std' => __( 'VAT', 'invoicing' ),
+                    'std' => __('VAT', 'invoicing'),
                 ),
                 'vat_invoice_notice_label' => array(
                     'id' => 'vat_invoice_notice_label',
-                    'name' => __( 'Invoice Notice Label', 'invoicing' ),
-                    'desc' => __( 'Use this to add an invoice notice section (label) to your invoices', 'invoicing' ),
+                    'name' => __('Invoice Notice Label', 'invoicing'),
+                    'desc' => __('Use this to add an invoice notice section (label) to your invoices', 'invoicing'),
                     'type' => 'text',
                     'size' => 'regular',
                 ),
                 'vat_invoice_notice' => array(
                     'id' => 'vat_invoice_notice',
-                    'name' => __( 'Invoice notice', 'invoicing' ),
-                    'desc' =>   __( 'Use this to add an invoice notice section (description) to your invoices', 'invoicing' ),
+                    'name' => __('Invoice notice', 'invoicing'),
+                    'desc' =>   __('Use this to add an invoice notice section (description) to your invoices', 'invoicing'),
                     'type' => 'text',
                     'size' => 'regular',
                 ),
@@ -244,22 +244,22 @@ 
             'main' => array(
                 'gateway_settings' => array(
                     'id'   => 'api_header',
-                    'name' => '<h3>' . __( 'Gateway Settings', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Gateway Settings', 'invoicing') . '</h3>',
                     'desc' => '',
                     'type' => 'header',
                 ),
                 'gateways' => array(
                     'id'      => 'gateways',
-                    'name'    => __( 'Payment Gateways', 'invoicing' ),
-                    'desc'    => __( 'Choose the payment gateways you want to enable.', 'invoicing' ),
+                    'name'    => __('Payment Gateways', 'invoicing'),
+                    'desc'    => __('Choose the payment gateways you want to enable.', 'invoicing'),
                     'type'    => 'gateways',
                     'std'     => array('manual'=>1),
                     'options' => wpinv_get_payment_gateways(),
                 ),
                 'default_gateway' => array(
                     'id'      => 'default_gateway',
-                    'name'    => __( 'Default Gateway', 'invoicing' ),
-                    'desc'    => __( 'This gateway will be loaded automatically with the checkout page.', 'invoicing' ),
+                    'name'    => __('Default Gateway', 'invoicing'),
+                    'desc'    => __('This gateway will be loaded automatically with the checkout page.', 'invoicing'),
                     'type'    => 'gateway_select',
                     'std'     => 'manual',
                     'class'   => 'wpi_select2',
@@ -274,32 +274,32 @@ 
             'main' => array(
                 'tax_settings' => array(
                     'id'   => 'tax_settings',
-                    'name' => '<h3>' . __( 'Tax Settings', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Tax Settings', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
 
                 'enable_taxes' => array(
                     'id'       => 'enable_taxes',
-                    'name'     => __( 'Enable Taxes', 'invoicing' ),
-                    'desc'     => __( 'Enable tax rates and calculations.', 'invoicing' ),
+                    'name'     => __('Enable Taxes', 'invoicing'),
+                    'desc'     => __('Enable tax rates and calculations.', 'invoicing'),
                     'type'     => 'checkbox',
                     'std'      => 0,
                 ),
 
                 'tax_subtotal_rounding' => array(
                     'id'                => 'tax_subtotal_rounding',
-                    'name'              => __( 'Rounding', 'invoicing' ),
-                    'desc'              => __( 'Round tax at subtotal level, instead of rounding per tax rate', 'invoicing' ),
+                    'name'              => __('Rounding', 'invoicing'),
+                    'desc'              => __('Round tax at subtotal level, instead of rounding per tax rate', 'invoicing'),
                     'type'              => 'checkbox',
                     'std'               => 1,
                 ),
 
                 'prices_include_tax' => array(
                     'id'      => 'prices_include_tax',
-                    'name'    => __( 'Prices entered with tax', 'invoicing' ),
+                    'name'    => __('Prices entered with tax', 'invoicing'),
                     'options' => array(
-                        'yes' => __( 'Yes, I will enter prices inclusive of tax', 'invoicing' ),
-                        'no'  => __( 'No, I will enter prices exclusive of tax', 'invoicing' ),
+                        'yes' => __('Yes, I will enter prices inclusive of tax', 'invoicing'),
+                        'no'  => __('No, I will enter prices exclusive of tax', 'invoicing'),
                     ),
                     'type'    => 'select',
                     'std'     => 'no',
@@ -307,10 +307,10 @@ 
 
                 'tax_base'              => array(
                     'id'                => 'tax_base',
-                    'name'              => __( 'Calculate tax based on', 'invoicing' ),
+                    'name'              => __('Calculate tax based on', 'invoicing'),
                     'options'           => array(
-                        'billing'       => __( 'Customer billing address', 'invoicing' ),
-                        'base'          => __( 'Shop base address', 'invoicing' ),
+                        'billing'       => __('Customer billing address', 'invoicing'),
+                        'base'          => __('Shop base address', 'invoicing'),
                     ),
                     'type'              => 'select',
                     'std'               => 'billing',
@@ -318,10 +318,10 @@ 
 
                 'tax_display_totals'    => array(
                     'id'                => 'tax_display_totals',
-                    'name'              => __( 'Display tax totals', 'invoicing' ),
+                    'name'              => __('Display tax totals', 'invoicing'),
                     'options'           => array(
-                        'single'        => __( 'As a single total', 'invoicing' ),
-                        'individual'    => __( 'As individual tax rates', 'invoicing' ),
+                        'single'        => __('As a single total', 'invoicing'),
+                        'individual'    => __('As individual tax rates', 'invoicing'),
                     ),
                     'type'              => 'select',
                     'std'               => 'individual',
@@ -329,8 +329,8 @@ 
 
                 'tax_rate' => array(
                     'id'   => 'tax_rate',
-                    'name' => __( 'Fallback Tax Rate', 'invoicing' ),
-                    'desc' => __( 'Enter a percentage, such as 6.5. Customers not in a specific rate will be charged this rate.', 'invoicing' ),
+                    'name' => __('Fallback Tax Rate', 'invoicing'),
+                    'desc' => __('Enter a percentage, such as 6.5. Customers not in a specific rate will be charged this rate.', 'invoicing'),
                     'type' => 'number',
                     'size' => 'small',
                     'min'  => '0',
@@ -342,8 +342,8 @@ 
             'rates' => array(
                 'tax_rates' => array(
                     'id'   => 'tax_rates',
-                    'name' => '<h3>' . __( 'Tax Rates', 'invoicing' ) . '</h3>',
-                    'desc' => __( 'Enter tax rates for specific regions.', 'invoicing' ),
+                    'name' => '<h3>' . __('Tax Rates', 'invoicing') . '</h3>',
+                    'desc' => __('Enter tax rates for specific regions.', 'invoicing'),
                     'type' => 'tax_rates',
                 ),
             ),
@@ -352,44 +352,44 @@ 
 
                 'vat_company_name' => array(
                     'id' => 'vat_company_name',
-                    'name' => __( 'Company Name', 'invoicing' ),
-                    'desc' => wp_sprintf(__( 'Verify your company name and  VAT number on the %sEU VIES System.%s', 'invoicing' ), '<a href="http://ec.europa.eu/taxation_customs/vies/" target="_blank">', '</a>' ),
+                    'name' => __('Company Name', 'invoicing'),
+                    'desc' => wp_sprintf(__('Verify your company name and  VAT number on the %sEU VIES System.%s', 'invoicing'), '<a href="http://ec.europa.eu/taxation_customs/vies/" target="_blank">', '</a>'),
                     'type' => 'text',
                     'size' => 'regular',
                 ),
 
                 'vat_number' => array(
                     'id'   => 'vat_number',
-                    'name' => __( 'VAT Number', 'invoicing' ),
-                    'desc' => __( 'Enter your VAT number including the country identifier, eg: GB123456789', 'invoicing' ),
+                    'name' => __('VAT Number', 'invoicing'),
+                    'desc' => __('Enter your VAT number including the country identifier, eg: GB123456789', 'invoicing'),
                     'type' => 'text',
                     'size' => 'regular',
                 ),
 
                 'vat_prevent_b2c_purchase' => array(
                     'id' => 'vat_prevent_b2c_purchase',
-                    'name' => __( 'Prevent B2C Sales', 'invoicing' ),
-                    'desc' => __( 'Require everyone in the EU to provide a VAT number.', 'invoicing' ),
+                    'name' => __('Prevent B2C Sales', 'invoicing'),
+                    'desc' => __('Require everyone in the EU to provide a VAT number.', 'invoicing'),
                     'type' => 'checkbox'
                 ),
 
                 'validate_vat_number' => array(
                     'id'   => 'validate_vat_number',
-                    'name' => __( 'Validate VAT Number', 'invoicing' ),
-                    'desc' => __( 'Validate VAT numbers with VIES.', 'invoicing' ),
+                    'name' => __('Validate VAT Number', 'invoicing'),
+                    'desc' => __('Validate VAT numbers with VIES.', 'invoicing'),
                     'type' => 'checkbox'
                 ),
 
                 'vat_same_country_rule' => array(
                     'id'          => 'vat_same_country_rule',
-                    'name'        => __( 'Same Country Rule', 'invoicing' ),
-                    'desc'        => __( 'What should happen if a customer is from the same country as your business?', 'invoicing' ),
+                    'name'        => __('Same Country Rule', 'invoicing'),
+                    'desc'        => __('What should happen if a customer is from the same country as your business?', 'invoicing'),
                     'type'        => 'select',
                     'options'     => array(
-                        'no'        => __( 'Do not charge Tax', 'invoicing' ),
-                        'always'    => __( 'Charge Tax', 'invoicing' ),
+                        'no'        => __('Do not charge Tax', 'invoicing'),
+                        'always'    => __('Charge Tax', 'invoicing'),
                     ),
-                    'placeholder' => __( 'Select an option', 'invoicing' ),
+                    'placeholder' => __('Select an option', 'invoicing'),
                     'std'         => 'always',
                 ),
 
@@ -403,68 +403,68 @@ 
             'main' => array(
                 'email_settings_header' => array(
                     'id'   => 'email_settings_header',
-                    'name' => '<h3>' . __( 'Email Sender Options', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Email Sender Options', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
                 'email_from_name' => array(
                     'id'   => 'email_from_name',
-                    'name' => __( 'From Name', 'invoicing' ),
-                    'desc' => __( 'Enter the sender\'s name appears in outgoing invoice emails. This should be your site name.', 'invoicing' ),
-                    'std' => esc_attr( get_bloginfo( 'name', 'display' ) ),
+                    'name' => __('From Name', 'invoicing'),
+                    'desc' => __('Enter the sender\'s name appears in outgoing invoice emails. This should be your site name.', 'invoicing'),
+                    'std' => esc_attr(get_bloginfo('name', 'display')),
                     'type' => 'text',
                 ),
                 'email_from' => array(
                     'id'   => 'email_from',
-                    'name' => __( 'From Email', 'invoicing' ),
-                    'desc' => sprintf (__( 'Email address to send invoice emails from. This will act as the "from" and "reply-to" address. %s If emails are not being sent it may be that your hosting prevents emails being sent if the email domains do not match.%s', 'invoicing' ), $alert_wrapper_start, $alert_wrapper_close),
-                    'std' => get_option( 'admin_email' ),
+                    'name' => __('From Email', 'invoicing'),
+                    'desc' => sprintf(__('Email address to send invoice emails from. This will act as the "from" and "reply-to" address. %s If emails are not being sent it may be that your hosting prevents emails being sent if the email domains do not match.%s', 'invoicing'), $alert_wrapper_start, $alert_wrapper_close),
+                    'std' => get_option('admin_email'),
                     'type' => 'text',
                 ),
                 'admin_email' => array(
                     'id'   => 'admin_email',
-                    'name' => __( 'Admin Email', 'invoicing' ),
-                    'desc' => __( 'Where should we send admin notifications?', 'invoicing' ),
-                    'std' => get_option( 'admin_email' ),
+                    'name' => __('Admin Email', 'invoicing'),
+                    'desc' => __('Where should we send admin notifications?', 'invoicing'),
+                    'std' => get_option('admin_email'),
                     'type' => 'text',
                 ),
                 'overdue_settings_header' => array(
                     'id'   => 'overdue_settings_header',
-                    'name' => '<h3>' . __( 'Due Date Settings', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Due Date Settings', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
                 'overdue_active' => array(
                     'id'   => 'overdue_active',
-                    'name' => __( 'Enable Due Date', 'invoicing' ),
-                    'desc' => __( 'Check this to enable due date option for invoices.', 'invoicing' ),
+                    'name' => __('Enable Due Date', 'invoicing'),
+                    'desc' => __('Check this to enable due date option for invoices.', 'invoicing'),
                     'type' => 'checkbox',
                     'std'  => false,
                 ),
                 'overdue_days' => array(
                     'id'          => 'overdue_days',
-                    'name'        => __( 'Default Due Date', 'invoicing' ),
-                    'desc'        => __( 'Number of days each Invoice is due after the created date. This will automatically set the date in the "Due Date" field. Can be overridden on individual Invoices.', 'invoicing' ),
+                    'name'        => __('Default Due Date', 'invoicing'),
+                    'desc'        => __('Number of days each Invoice is due after the created date. This will automatically set the date in the "Due Date" field. Can be overridden on individual Invoices.', 'invoicing'),
                     'type'        => 'select',
                     'options'     => $due_payment_options,
                     'std'         => 0,
-                    'placeholder' => __( 'Select a page', 'invoicing' ),
+                    'placeholder' => __('Select a page', 'invoicing'),
                 ),
                 'email_template_header' => array(
                     'id'   => 'email_template_header',
-                    'name' => '<h3>' . __( 'Email Template', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Email Template', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
                 'email_header_image' => array(
                     'id'   => 'email_header_image',
-                    'name' => __( 'Header Image', 'invoicing' ),
-                    'desc' => __( 'URL to an image you want to show in the email header. Upload images using the media uploader (Admin > Media).', 'invoicing' ),
+                    'name' => __('Header Image', 'invoicing'),
+                    'desc' => __('URL to an image you want to show in the email header. Upload images using the media uploader (Admin > Media).', 'invoicing'),
                     'std' => '',
                     'type' => 'text',
                 ),
                 'email_footer_text' => array(
                     'id'   => 'email_footer_text',
-                    'name' => __( 'Footer Text', 'invoicing' ),
-                    'desc' => __( 'The text to appear in the footer of all invoice emails.', 'invoicing' ),
-                    'std' => get_bloginfo( 'name', 'display' ) . ' - ' . __( 'Powered by GeoDirectory', 'invoicing' ),
+                    'name' => __('Footer Text', 'invoicing'),
+                    'desc' => __('The text to appear in the footer of all invoice emails.', 'invoicing'),
+                    'std' => get_bloginfo('name', 'display') . ' - ' . __('Powered by GeoDirectory', 'invoicing'),
                     'type' => 'textarea',
                     'class' => 'regular-text',
                     'rows' => 2,
@@ -472,29 +472,29 @@ 
                 ),
                 'email_base_color' => array(
                     'id'   => 'email_base_color',
-                    'name' => __( 'Base Color', 'invoicing' ),
-                    'desc' => __( 'The base color for invoice email template. Default <code>#557da2</code>.', 'invoicing' ),
+                    'name' => __('Base Color', 'invoicing'),
+                    'desc' => __('The base color for invoice email template. Default <code>#557da2</code>.', 'invoicing'),
                     'std' => '#557da2',
                     'type' => 'color',
                 ),
                 'email_background_color' => array(
                     'id'   => 'email_background_color',
-                    'name' => __( 'Background Color', 'invoicing' ),
-                    'desc' => __( 'The background color of email template. Default <code>#f5f5f5</code>.', 'invoicing' ),
+                    'name' => __('Background Color', 'invoicing'),
+                    'desc' => __('The background color of email template. Default <code>#f5f5f5</code>.', 'invoicing'),
                     'std' => '#f5f5f5',
                     'type' => 'color',
                 ),
                 'email_body_background_color' => array(
                     'id'   => 'email_body_background_color',
-                    'name' => __( 'Body Background Color', 'invoicing' ),
-                    'desc' => __( 'The main body background color of email template. Default <code>#fdfdfd</code>.', 'invoicing' ),
+                    'name' => __('Body Background Color', 'invoicing'),
+                    'desc' => __('The main body background color of email template. Default <code>#fdfdfd</code>.', 'invoicing'),
                     'std' => '#fdfdfd',
                     'type' => 'color',
                 ),
                 'email_text_color' => array(
                     'id'   => 'email_text_color',
-                    'name' => __( 'Body Text Color', 'invoicing' ),
-                    'desc' => __( 'The main body text color. Default <code>#505050</code>.', 'invoicing' ),
+                    'name' => __('Body Text Color', 'invoicing'),
+                    'desc' => __('The main body text color. Default <code>#505050</code>.', 'invoicing'),
                     'std' => '#505050',
                     'type' => 'color',
                 ),
@@ -509,7 +509,7 @@ 
     ),
 
     // Integrations.
-    'integrations' => wp_list_pluck( getpaid_get_integration_settings(), 'settings', 'id' ),
+    'integrations' => wp_list_pluck(getpaid_get_integration_settings(), 'settings', 'id'),
 
     /** Privacy Settings */
     'privacy' => apply_filters('wpinv_settings_privacy',
@@ -517,17 +517,17 @@ 
             'main' => array(
                 'invoicing_privacy_policy_settings' => array(
                     'id'   => 'invoicing_privacy_policy_settings',
-                    'name' => '<h3>' . __( 'Privacy Policy', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Privacy Policy', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
                 'privacy_page' => array(
                     'id'          => 'privacy_page',
-                    'name'        => __( 'Privacy Page', 'invoicing' ),
-                    'desc'        => __( 'If no privacy policy page set in Settings->Privacy default settings, this page will be used on checkout page.', 'invoicing' ),
+                    'name'        => __('Privacy Page', 'invoicing'),
+                    'desc'        => __('If no privacy policy page set in Settings->Privacy default settings, this page will be used on checkout page.', 'invoicing'),
                     'type'        => 'select',
-                    'options'     => wpinv_get_pages( true,  __( 'Select a page', 'invoicing' )),
+                    'options'     => wpinv_get_pages(true, __('Select a page', 'invoicing')),
                     'class'       => 'wpi_select2',
-                    'placeholder' => __( 'Select a page', 'invoicing' ),
+                    'placeholder' => __('Select a page', 'invoicing'),
                 ),
             ),
         )
@@ -538,19 +538,19 @@ 
             'main' => array(
                 'invoice_number_format_settings' => array(
                     'id'   => 'invoice_number_format_settings',
-                    'name' => '<h3>' . __( 'Invoice Number', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Invoice Number', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
                 'sequential_invoice_number' => array(
                     'id'   => 'sequential_invoice_number',
-                    'name' => __( 'Sequential Invoice Numbers', 'invoicing' ),
-                    'desc' => __('Check this box to enable sequential invoice numbers.', 'invoicing' ) . $reset_number,
+                    'name' => __('Sequential Invoice Numbers', 'invoicing'),
+                    'desc' => __('Check this box to enable sequential invoice numbers.', 'invoicing') . $reset_number,
                     'type' => 'checkbox',
                 ),
                 'invoice_sequence_start' => array(
                     'id'   => 'invoice_sequence_start',
-                    'name' => __( 'Sequential Starting Number', 'invoicing' ),
-                    'desc' => __( 'The number at which the invoice number sequence should begin.', 'invoicing' ) . $last_number,
+                    'name' => __('Sequential Starting Number', 'invoicing'),
+                    'desc' => __('The number at which the invoice number sequence should begin.', 'invoicing') . $last_number,
                     'type' => 'number',
                     'size' => 'small',
                     'std'  => '1',
@@ -558,8 +558,8 @@ 
                 ),
                 'invoice_number_padd' => array(
                     'id'      => 'invoice_number_padd',
-                    'name'    => __( 'Minimum Digits', 'invoicing' ),
-                    'desc'    => __( 'If the invoice number has less digits than this number, it is left padded with 0s. Ex: invoice number 108 will padded to 00108 if digits set to 5. The default 0 means no padding.', 'invoicing' ),
+                    'name'    => __('Minimum Digits', 'invoicing'),
+                    'desc'    => __('If the invoice number has less digits than this number, it is left padded with 0s. Ex: invoice number 108 will padded to 00108 if digits set to 5. The default 0 means no padding.', 'invoicing'),
                     'type'    => 'select',
                     'options' => $invoice_number_padd_options,
                     'std'     => 5,
@@ -567,8 +567,8 @@ 
                 ),
                 'invoice_number_prefix' => array(
                     'id' => 'invoice_number_prefix',
-                    'name' => __( 'Invoice Number Prefix', 'invoicing' ),
-                    'desc' => __( 'Prefix for all invoice numbers. Ex: INV-', 'invoicing' ),
+                    'name' => __('Invoice Number Prefix', 'invoicing'),
+                    'desc' => __('Prefix for all invoice numbers. Ex: INV-', 'invoicing'),
                     'type' => 'text',
                     'size' => 'regular',
                     'std' => 'INV-',
@@ -576,41 +576,41 @@ 
                 ),
                 'invoice_number_postfix' => array(
                     'id' => 'invoice_number_postfix',
-                    'name' => __( 'Invoice Number Postfix', 'invoicing' ),
-                    'desc' => __( 'Postfix for all invoice numbers.', 'invoicing' ),
+                    'name' => __('Invoice Number Postfix', 'invoicing'),
+                    'desc' => __('Postfix for all invoice numbers.', 'invoicing'),
                     'type' => 'text',
                     'size' => 'regular',
                     'std' => ''
                 ),
                 'checkout_settings' => array(
                     'id'   => 'checkout_settings',
-                    'name' => '<h3>' . __( 'Checkout Settings', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Checkout Settings', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
                 'login_to_checkout' => array(
                     'id'   => 'login_to_checkout',
-                    'name' => __( 'Require Login To Checkout', 'invoicing' ),
-                    'desc' => __( 'If ticked then user needs to be logged in to view or pay invoice, can only view or pay their own invoice. If unticked then anyone can view or pay the invoice.', 'invoicing' ),
+                    'name' => __('Require Login To Checkout', 'invoicing'),
+                    'desc' => __('If ticked then user needs to be logged in to view or pay invoice, can only view or pay their own invoice. If unticked then anyone can view or pay the invoice.', 'invoicing'),
                     'type' => 'checkbox',
                 ),
 
                 'maxmind_license_key' => array(
                     'id'   => 'maxmind_license_key',
-                    'name' => __( 'MaxMind License Key', 'invoicing' ),
+                    'name' => __('MaxMind License Key', 'invoicing'),
                     'type' => 'text',
                     'size' => 'regular',
-                    'desc' => __( "Enter you license key if you would like to use MaxMind to automatically detect a customer's country.", 'invoicing' ) . ' <a href="https://support.maxmind.com/account-faq/license-keys/how-do-i-generate-a-license-key/">' . __( 'How to generate a free license key.', 'invoicing' ) . '</a>',
+                    'desc' => __("Enter you license key if you would like to use MaxMind to automatically detect a customer's country.", 'invoicing') . ' <a href="https://support.maxmind.com/account-faq/license-keys/how-do-i-generate-a-license-key/">' . __('How to generate a free license key.', 'invoicing') . '</a>',
                 ),
 
                 'uninstall_settings' => array(
                     'id'   => 'uninstall_settings',
-                    'name' => '<h3>' . __( 'Uninstall Settings', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Uninstall Settings', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
                 'remove_data_on_unistall' => array(
                     'id'   => 'remove_data_on_unistall',
-                    'name' => __( 'Remove Data on Uninstall?', 'invoicing' ),
-                    'desc' => __( 'Check this box if you would like Invoicing plugin to completely remove all of its data when the plugin is deleted/uninstalled.', 'invoicing' ),
+                    'name' => __('Remove Data on Uninstall?', 'invoicing'),
+                    'desc' => __('Check this box if you would like Invoicing plugin to completely remove all of its data when the plugin is deleted/uninstalled.', 'invoicing'),
                     'type' => 'checkbox',
                     'std'  => ''
                 ),
@@ -619,13 +619,13 @@ 
             'custom-css' => array(
                 'css_settings' => array(
                     'id'   => 'css_settings',
-                    'name' => '<h3>' . __( 'Custom CSS', 'invoicing' ) . '</h3>',
+                    'name' => '<h3>' . __('Custom CSS', 'invoicing') . '</h3>',
                     'type' => 'header',
                 ),
                 'template_custom_css' => array(
                     'id' => 'template_custom_css',
-                    'name' => __( 'Invoice Template CSS', 'invoicing' ),
-                    'desc' => __( 'Add CSS to modify appearance of the print invoice page.', 'invoicing' ),
+                    'name' => __('Invoice Template CSS', 'invoicing'),
+                    'desc' => __('Add CSS to modify appearance of the print invoice page.', 'invoicing'),
                     'type' => 'textarea',
                     'class'=> 'regular-text',
                     'rows' => 10,
@@ -639,8 +639,8 @@ 
             'main' => array(
                 'tool_settings' => array(
                     'id'   => 'tool_settings',
-                    'name' => '<h3>' . __( 'Diagnostic Tools', 'invoicing' ) . '</h3>',
-                    'desc' => __( 'Invoicing diagnostic tools', 'invoicing' ),
+                    'name' => '<h3>' . __('Diagnostic Tools', 'invoicing') . '</h3>',
+                    'desc' => __('Invoicing diagnostic tools', 'invoicing'),
                     'type' => 'tools',
                 ),
             ),

includes/admin/register-settings.php

Spacing +369 added lines, -369 removed lines

@@ -6,7 +6,7 @@ 
  * @since   1.0.0
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Retrieves all default settings.
@@ -16,13 +16,13 @@ 
 function wpinv_get_settings() {
     $defaults = array();
 
-    foreach ( array_values( wpinv_get_registered_settings() ) as $tab_settings ) {
+    foreach (array_values(wpinv_get_registered_settings()) as $tab_settings) {
 
-        foreach ( array_values( $tab_settings ) as $section_settings ) {
+        foreach (array_values($tab_settings) as $section_settings) {
 
-            foreach ( $section_settings as $key => $setting ) {
-                if ( isset( $setting['std'] ) ) {
-                    $defaults[ $key ] = $setting['std'];
+            foreach ($section_settings as $key => $setting) {
+                if (isset($setting['std'])) {
+                    $defaults[$key] = $setting['std'];
                 }
             }
 
@@ -43,12 +43,12 @@ 
     global $wpinv_options;
 
     // Try fetching the saved options.
-    if ( ! is_array( $wpinv_options ) ) {
-        $wpinv_options = get_option( 'wpinv_settings' );
+    if (!is_array($wpinv_options)) {
+        $wpinv_options = get_option('wpinv_settings');
     }
 
     // If that fails, don't fetch the default settings to prevent a loop.
-    if ( ! is_array( $wpinv_options ) ) {
+    if (!is_array($wpinv_options)) {
         $wpinv_options = array();
     }
 
@@ -62,13 +62,13 @@ 
  * @param mixed $default The default value to use if the setting has not been set.
  * @return mixed
  */
-function wpinv_get_option( $key = '', $default = false ) {
+function wpinv_get_option($key = '', $default = false) {
 
     $options = wpinv_get_options();
-    $value   = isset( $options[ $key ] ) ? $options[ $key ] : $default;
-    $value   = apply_filters( 'wpinv_get_option', $value, $key, $default );
+    $value   = isset($options[$key]) ? $options[$key] : $default;
+    $value   = apply_filters('wpinv_get_option', $value, $key, $default);
 
-    return apply_filters( 'wpinv_get_option_' . $key, $value, $key, $default );
+    return apply_filters('wpinv_get_option_' . $key, $value, $key, $default);
 }
 
 /**
@@ -77,11 +77,11 @@ 
  * @param array $options the new options.
  * @return bool
  */
-function wpinv_update_options( $options ) {
+function wpinv_update_options($options) {
     global $wpinv_options;
 
     // update the option.
-    if ( is_array( $options ) && update_option( 'wpinv_settings', $options ) ) {
+    if (is_array($options) && update_option('wpinv_settings', $options)) {
         $wpinv_options = $options;
         return true;
     }
@@ -96,24 +96,24 @@ 
  * @param mixed $value The setting value.
  * @return bool
  */
-function wpinv_update_option( $key = '', $value = false ) {
+function wpinv_update_option($key = '', $value = false) {
 
     // If no key, exit.
-    if ( empty( $key ) ) {
+    if (empty($key)) {
         return false;
     }
 
     // Maybe delete the option instead.
-    if ( is_null( $value ) ) {
-        return wpinv_delete_option( $key );
+    if (is_null($value)) {
+        return wpinv_delete_option($key);
     }
 
     // Prepare the new options.
     $options         = wpinv_get_options();
-    $options[ $key ] = apply_filters( 'wpinv_update_option', $value, $key );
+    $options[$key] = apply_filters('wpinv_update_option', $value, $key);
 
     // Save the new options.
-    return wpinv_update_options( $options );
+    return wpinv_update_options($options);
 
 }
 
@@ -123,18 +123,18 @@ 
  * @param string $key the setting key.
  * @return bool
  */
-function wpinv_delete_option( $key = '' ) {
+function wpinv_delete_option($key = '') {
 
     // If no key, exit
-    if ( empty( $key ) ) {
+    if (empty($key)) {
         return false;
     }
 
     $options = wpinv_get_options();
 
-    if ( isset( $options[ $key ] ) ) {
-        unset( $options[ $key ] );
-        return wpinv_update_options( $options );
+    if (isset($options[$key])) {
+        unset($options[$key]);
+        return wpinv_update_options($options);
     }
 
     return true;
@@ -148,14 +148,14 @@ 
 function wpinv_register_settings() {
 
     // Loop through all tabs.
-    foreach ( wpinv_get_registered_settings() as $tab => $sections ) {
+    foreach (wpinv_get_registered_settings() as $tab => $sections) {
 
         // In each tab, loop through sections.
-        foreach ( $sections as $section => $settings ) {
+        foreach ($sections as $section => $settings) {
 
             // Check for backwards compatibility
-            $section_tabs = wpinv_get_settings_tab_sections( $tab );
-            if ( ! is_array( $section_tabs ) || ! array_key_exists( $section, $section_tabs ) ) {
+            $section_tabs = wpinv_get_settings_tab_sections($tab);
+            if (!is_array($section_tabs) || !array_key_exists($section, $section_tabs)) {
                 $section = 'main';
                 $settings = $sections;
             }
@@ -168,9 +168,9 @@ 
                 'wpinv_settings_' . $tab . '_' . $section
             );
 
-            foreach ( $settings as $option ) {
-                if ( ! empty( $option['id'] ) ) {
-                    wpinv_register_settings_option( $tab, $section, $option );
+            foreach ($settings as $option) {
+                if (!empty($option['id'])) {
+                    wpinv_register_settings_option($tab, $section, $option);
                 }
             }
 
@@ -178,9 +178,9 @@ 
     }
 
     // Creates our settings in the options table.
-    register_setting( 'wpinv_settings', 'wpinv_settings', 'wpinv_settings_sanitize' );
+    register_setting('wpinv_settings', 'wpinv_settings', 'wpinv_settings_sanitize');
 }
-add_action( 'admin_init', 'wpinv_register_settings' );
+add_action('admin_init', 'wpinv_register_settings');
 
 /**
  * Register a single settings option.
@@ -190,47 +190,47 @@ 
  * @param string $option
  * 
  */
-function wpinv_register_settings_option( $tab, $section, $option ) {
+function wpinv_register_settings_option($tab, $section, $option) {
 
-    $name    = isset( $option['name'] ) ? $option['name'] : '';
+    $name    = isset($option['name']) ? $option['name'] : '';
     $cb      = "wpinv_{$option['type']}_callback";
     $section = "wpinv_settings_{$tab}_$section";
 
-	if ( isset( $option['desc'] ) && ! empty( $option['help-tip'] ) ) {
-		$tip   = wpinv_clean( $option['desc'] );
+	if (isset($option['desc']) && !empty($option['help-tip'])) {
+		$tip   = wpinv_clean($option['desc']);
 		$name .= "<span class='dashicons dashicons-editor-help wpi-help-tip' title='$tip'></span>";
-		unset( $option['desc'] );
+		unset($option['desc']);
 	}
 
     // Loop through all tabs.
     add_settings_field(
         'wpinv_settings[' . $option['id'] . ']',
         $name,
-        function_exists( $cb ) ? $cb : 'wpinv_missing_callback',
+        function_exists($cb) ? $cb : 'wpinv_missing_callback',
         $section,
         $section,
         array(
             'section'     => $section,
-            'id'          => isset( $option['id'] )          ? $option['id']          : uniqid( 'wpinv-' ),
-            'desc'        => isset( $option['desc'] )        ? $option['desc']        : '',
+            'id'          => isset($option['id']) ? $option['id'] : uniqid('wpinv-'),
+            'desc'        => isset($option['desc']) ? $option['desc'] : '',
             'name'        => $name,
-            'size'        => isset( $option['size'] )        ? $option['size']        : null,
-            'options'     => isset( $option['options'] )     ? $option['options']     : '',
-            'selected'    => isset( $option['selected'] )    ? $option['selected']    : null,
-            'std'         => isset( $option['std'] )         ? $option['std']         : '',
-            'min'         => isset( $option['min'] )         ? $option['min']         : 0,
-            'max'         => isset( $option['max'] )         ? $option['max']         : 999999,
-            'step'        => isset( $option['step'] )        ? $option['step']        : 1,
-            'placeholder' => isset( $option['placeholder'] ) ? $option['placeholder'] : null,
-            'allow_blank' => isset( $option['allow_blank'] ) ? $option['allow_blank'] : true,
-            'readonly'    => isset( $option['readonly'] )    ? $option['readonly']    : false,
-            'faux'        => isset( $option['faux'] )        ? $option['faux']        : false,
-            'onchange'    => isset( $option['onchange'] )   ? $option['onchange']     : '',
-            'custom'      => isset( $option['custom'] )     ? $option['custom']       : '',
-			'class'       => isset( $option['class'] )     ? $option['class']         : '',
-			'style'       => isset( $option['style'] )     ? $option['style']         : '',
-            'cols'        => isset( $option['cols'] ) && (int) $option['cols'] > 0 ? (int) $option['cols'] : 50,
-            'rows'        => isset( $option['rows'] ) && (int) $option['rows'] > 0 ? (int) $option['rows'] : 5,
+            'size'        => isset($option['size']) ? $option['size'] : null,
+            'options'     => isset($option['options']) ? $option['options'] : '',
+            'selected'    => isset($option['selected']) ? $option['selected'] : null,
+            'std'         => isset($option['std']) ? $option['std'] : '',
+            'min'         => isset($option['min']) ? $option['min'] : 0,
+            'max'         => isset($option['max']) ? $option['max'] : 999999,
+            'step'        => isset($option['step']) ? $option['step'] : 1,
+            'placeholder' => isset($option['placeholder']) ? $option['placeholder'] : null,
+            'allow_blank' => isset($option['allow_blank']) ? $option['allow_blank'] : true,
+            'readonly'    => isset($option['readonly']) ? $option['readonly'] : false,
+            'faux'        => isset($option['faux']) ? $option['faux'] : false,
+            'onchange'    => isset($option['onchange']) ? $option['onchange'] : '',
+            'custom'      => isset($option['custom']) ? $option['custom'] : '',
+			'class'       => isset($option['class']) ? $option['class'] : '',
+			'style'       => isset($option['style']) ? $option['style'] : '',
+            'cols'        => isset($option['cols']) && (int) $option['cols'] > 0 ? (int) $option['cols'] : 50,
+            'rows'        => isset($option['rows']) && (int) $option['rows'] > 0 ? (int) $option['rows'] : 5,
         )
     );
 
@@ -242,7 +242,7 @@ 
  * @return array
  */
 function wpinv_get_registered_settings() {
-	return array_filter( apply_filters( 'wpinv_registered_settings', wpinv_get_data( 'admin-settings' ) ) );
+	return array_filter(apply_filters('wpinv_registered_settings', wpinv_get_data('admin-settings')));
 }
 
 /**
@@ -251,7 +251,7 @@ 
  * @return array
  */
 function getpaid_get_integration_settings() {
-    return apply_filters( 'getpaid_integration_settings', array() );
+    return apply_filters('getpaid_integration_settings', array());
 }
 
 /**
@@ -259,140 +259,140 @@ 
  * 
  * @return array
  */
-function wpinv_settings_sanitize( $input = array() ) {
+function wpinv_settings_sanitize($input = array()) {
 
     $wpinv_options = wpinv_get_options();
 
-    if ( empty( wp_get_raw_referer() ) ) {
+    if (empty(wp_get_raw_referer())) {
         return $input;
     }
 
-    wp_parse_str( wp_get_raw_referer(), $referrer );
+    wp_parse_str(wp_get_raw_referer(), $referrer);
 
     $settings = wpinv_get_registered_settings();
-    $tab      = isset( $referrer['tab'] ) ? $referrer['tab'] : 'general';
-    $section  = isset( $referrer['section'] ) ? $referrer['section'] : 'main';
+    $tab      = isset($referrer['tab']) ? $referrer['tab'] : 'general';
+    $section  = isset($referrer['section']) ? $referrer['section'] : 'main';
 
     $input = $input ? $input : array();
-    $input = apply_filters( 'wpinv_settings_tab_' . $tab . '_sanitize', $input );
-    $input = apply_filters( 'wpinv_settings_' . $tab . '-' . $section . '_sanitize', $input );
+    $input = apply_filters('wpinv_settings_tab_' . $tab . '_sanitize', $input);
+    $input = apply_filters('wpinv_settings_' . $tab . '-' . $section . '_sanitize', $input);
 
     // Loop through each setting being saved and pass it through a sanitization filter
-    foreach ( $input as $key => $value ) {
+    foreach ($input as $key => $value) {
 
         // Get the setting type (checkbox, select, etc)
-        $type = isset( $settings[ $tab ][$section][ $key ]['type'] ) ? $settings[ $tab ][$section][ $key ]['type'] : false;
+        $type = isset($settings[$tab][$section][$key]['type']) ? $settings[$tab][$section][$key]['type'] : false;
 
-        if ( $type ) {
+        if ($type) {
             // Field type specific filter
-            $input[$key] = apply_filters( 'wpinv_settings_sanitize_' . $type, $value, $key );
+            $input[$key] = apply_filters('wpinv_settings_sanitize_' . $type, $value, $key);
         }
 
         // General filter
-		$input[ $key ] = apply_filters( 'wpinv_settings_sanitize', $input[ $key ], $key );
+		$input[$key] = apply_filters('wpinv_settings_sanitize', $input[$key], $key);
 
 		// Key specific filter.
-		$input[ $key ] = apply_filters( "wpinv_settings_sanitize_$key", $input[ $key ] );
+		$input[$key] = apply_filters("wpinv_settings_sanitize_$key", $input[$key]);
     }
 
     // Loop through the whitelist and unset any that are empty for the tab being saved
-    $main_settings    = $section == 'main' ? $settings[ $tab ] : array(); // Check for extensions that aren't using new sections
-    $section_settings = ! empty( $settings[ $tab ][ $section ] ) ? $settings[ $tab ][ $section ] : array();
+    $main_settings    = $section == 'main' ? $settings[$tab] : array(); // Check for extensions that aren't using new sections
+    $section_settings = !empty($settings[$tab][$section]) ? $settings[$tab][$section] : array();
 
-    $found_settings = array_merge( $main_settings, $section_settings );
+    $found_settings = array_merge($main_settings, $section_settings);
 
-    if ( ! empty( $found_settings ) ) {
-        foreach ( $found_settings as $key => $value ) {
+    if (!empty($found_settings)) {
+        foreach ($found_settings as $key => $value) {
 
             // settings used to have numeric keys, now they have keys that match the option ID. This ensures both methods work
-            if ( is_numeric( $key ) ) {
+            if (is_numeric($key)) {
                 $key = $value['id'];
             }
 
-            if ( ! isset( $input[ $key ] ) && isset( $wpinv_options[ $key ] ) ) {
-                unset( $wpinv_options[ $key ] );
+            if (!isset($input[$key]) && isset($wpinv_options[$key])) {
+                unset($wpinv_options[$key]);
             }
         }
     }
 
     // Merge our new settings with the existing
-    $output = array_merge( $wpinv_options, $input );
+    $output = array_merge($wpinv_options, $input);
 
-    add_settings_error( 'wpinv-notices', '', __( 'Settings updated.', 'invoicing' ), 'updated' );
+    add_settings_error('wpinv-notices', '', __('Settings updated.', 'invoicing'), 'updated');
 
     return $output;
 }
 
-function wpinv_settings_sanitize_misc_accounting( $input ) {
+function wpinv_settings_sanitize_misc_accounting($input) {
 
-    if ( ! wpinv_current_user_can_manage_invoicing() ) {
+    if (!wpinv_current_user_can_manage_invoicing()) {
         return $input;
     }
 
-    if( ! empty( $input['enable_sequential'] ) && !wpinv_get_option( 'enable_sequential' ) ) {
+    if (!empty($input['enable_sequential']) && !wpinv_get_option('enable_sequential')) {
         // Shows an admin notice about upgrading previous order numbers
-        getpaid_session()->set( 'upgrade_sequential', '1' );
+        getpaid_session()->set('upgrade_sequential', '1');
     }
 
     return $input;
 }
-add_filter( 'wpinv_settings_misc-accounting_sanitize', 'wpinv_settings_sanitize_misc_accounting' );
+add_filter('wpinv_settings_misc-accounting_sanitize', 'wpinv_settings_sanitize_misc_accounting');
 
-function wpinv_settings_sanitize_tax_rates( $input ) {
-    if( ! wpinv_current_user_can_manage_invoicing() ) {
+function wpinv_settings_sanitize_tax_rates($input) {
+    if (!wpinv_current_user_can_manage_invoicing()) {
         return $input;
     }
 
-    $new_rates = ! empty( $_POST['tax_rates'] ) ? array_values( $_POST['tax_rates'] ) : array();
+    $new_rates = !empty($_POST['tax_rates']) ? array_values($_POST['tax_rates']) : array();
     $tax_rates = array();
 
-    foreach ( $new_rates as $rate ) {
+    foreach ($new_rates as $rate) {
 
-		$rate['rate']    = wpinv_sanitize_amount( $rate['rate'] );
-		$rate['name']    = sanitize_text_field( $rate['name'] );
-		$rate['state']   = sanitize_text_field( $rate['state'] );
-		$rate['country'] = sanitize_text_field( $rate['country'] );
-		$rate['global']  = empty( $rate['state'] );
+		$rate['rate']    = wpinv_sanitize_amount($rate['rate']);
+		$rate['name']    = sanitize_text_field($rate['name']);
+		$rate['state']   = sanitize_text_field($rate['state']);
+		$rate['country'] = sanitize_text_field($rate['country']);
+		$rate['global']  = empty($rate['state']);
 		$tax_rates[]     = $rate;
 
 	}
 
-    update_option( 'wpinv_tax_rates', $tax_rates );
+    update_option('wpinv_tax_rates', $tax_rates);
 
     return $input;
 }
-add_filter( 'wpinv_settings_taxes-rates_sanitize', 'wpinv_settings_sanitize_tax_rates' );
+add_filter('wpinv_settings_taxes-rates_sanitize', 'wpinv_settings_sanitize_tax_rates');
 
-function wpinv_sanitize_text_field( $input ) {
-    return trim( $input );
+function wpinv_sanitize_text_field($input) {
+    return trim($input);
 }
-add_filter( 'wpinv_settings_sanitize_text', 'wpinv_sanitize_text_field' );
+add_filter('wpinv_settings_sanitize_text', 'wpinv_sanitize_text_field');
 
 function wpinv_get_settings_tabs() {
     $tabs             = array();
-    $tabs['general']  = __( 'General', 'invoicing' );
-    $tabs['gateways'] = __( 'Payment Gateways', 'invoicing' );
-    $tabs['taxes']    = __( 'Taxes', 'invoicing' );
-	$tabs['emails']   = __( 'Emails', 'invoicing' );
+    $tabs['general']  = __('General', 'invoicing');
+    $tabs['gateways'] = __('Payment Gateways', 'invoicing');
+    $tabs['taxes']    = __('Taxes', 'invoicing');
+	$tabs['emails'] = __('Emails', 'invoicing');
 
-	if ( count( getpaid_get_integration_settings() ) > 0 ) {
-		$tabs['integrations'] = __( 'Integrations', 'invoicing' );
+	if (count(getpaid_get_integration_settings()) > 0) {
+		$tabs['integrations'] = __('Integrations', 'invoicing');
 	}
 
-    $tabs['privacy']  = __( 'Privacy', 'invoicing' );
-    $tabs['misc']     = __( 'Misc', 'invoicing' );
-    $tabs['tools']    = __( 'Tools', 'invoicing' );
+    $tabs['privacy']  = __('Privacy', 'invoicing');
+    $tabs['misc']     = __('Misc', 'invoicing');
+    $tabs['tools']    = __('Tools', 'invoicing');
 
-    return apply_filters( 'wpinv_settings_tabs', $tabs );
+    return apply_filters('wpinv_settings_tabs', $tabs);
 }
 
-function wpinv_get_settings_tab_sections( $tab = false ) {
+function wpinv_get_settings_tab_sections($tab = false) {
     $tabs     = false;
     $sections = wpinv_get_registered_settings_sections();
 
-    if( $tab && ! empty( $sections[ $tab ] ) ) {
-        $tabs = $sections[ $tab ];
-    } else if ( $tab ) {
+    if ($tab && !empty($sections[$tab])) {
+        $tabs = $sections[$tab];
+    } else if ($tab) {
         $tabs = false;
     }
 
@@ -402,91 +402,91 @@ 
 function wpinv_get_registered_settings_sections() {
     static $sections = false;
 
-    if ( false !== $sections ) {
+    if (false !== $sections) {
         return $sections;
     }
 
     $sections = array(
-        'general' => apply_filters( 'wpinv_settings_sections_general', array(
-            'main' => __( 'General Settings', 'invoicing' ),
-            'currency_section' => __( 'Currency Settings', 'invoicing' ),
-            'labels' => __( 'Label Texts', 'invoicing' ),
-        ) ),
-        'gateways' => apply_filters( 'wpinv_settings_sections_gateways', array(
-            'main' => __( 'Gateway Settings', 'invoicing' ),
-        ) ),
-        'taxes' => apply_filters( 'wpinv_settings_sections_taxes', array(
-            'main'  => __( 'Tax Settings', 'invoicing' ),
-			'rates' => __( 'Tax Rates', 'invoicing' ),
-			'vat'   => __( 'EU VAT Settings', 'invoicing' )
-        ) ),
-        'emails' => apply_filters( 'wpinv_settings_sections_emails', array(
-            'main' => __( 'Email Settings', 'invoicing' ),
-		) ),
-
-		'integrations' => wp_list_pluck( getpaid_get_integration_settings(), 'label', 'id' ),
-
-        'privacy' => apply_filters( 'wpinv_settings_sections_privacy', array(
-            'main' => __( 'Privacy policy', 'invoicing' ),
-        ) ),
-        'misc' => apply_filters( 'wpinv_settings_sections_misc', array(
-            'main' => __( 'Miscellaneous', 'invoicing' ),
-            'custom-css' => __( 'Custom CSS', 'invoicing' ),
-        ) ),
-        'tools' => apply_filters( 'wpinv_settings_sections_tools', array(
-            'main' => __( 'Diagnostic Tools', 'invoicing' ),
-        ) ),
+        'general' => apply_filters('wpinv_settings_sections_general', array(
+            'main' => __('General Settings', 'invoicing'),
+            'currency_section' => __('Currency Settings', 'invoicing'),
+            'labels' => __('Label Texts', 'invoicing'),
+        )),
+        'gateways' => apply_filters('wpinv_settings_sections_gateways', array(
+            'main' => __('Gateway Settings', 'invoicing'),
+        )),
+        'taxes' => apply_filters('wpinv_settings_sections_taxes', array(
+            'main'  => __('Tax Settings', 'invoicing'),
+			'rates' => __('Tax Rates', 'invoicing'),
+			'vat'   => __('EU VAT Settings', 'invoicing')
+        )),
+        'emails' => apply_filters('wpinv_settings_sections_emails', array(
+            'main' => __('Email Settings', 'invoicing'),
+		)),
+
+		'integrations' => wp_list_pluck(getpaid_get_integration_settings(), 'label', 'id'),
+
+        'privacy' => apply_filters('wpinv_settings_sections_privacy', array(
+            'main' => __('Privacy policy', 'invoicing'),
+        )),
+        'misc' => apply_filters('wpinv_settings_sections_misc', array(
+            'main' => __('Miscellaneous', 'invoicing'),
+            'custom-css' => __('Custom CSS', 'invoicing'),
+        )),
+        'tools' => apply_filters('wpinv_settings_sections_tools', array(
+            'main' => __('Diagnostic Tools', 'invoicing'),
+        )),
     );
 
-    $sections = apply_filters( 'wpinv_settings_sections', $sections );
+    $sections = apply_filters('wpinv_settings_sections', $sections);
 
     return $sections;
 }
 
-function wpinv_get_pages( $with_slug = false, $default_label = NULL ) {
+function wpinv_get_pages($with_slug = false, $default_label = NULL) {
 	$pages_options = array();
 
-	if( $default_label !== NULL && $default_label !== false ) {
-		$pages_options = array( '' => $default_label ); // Blank option
+	if ($default_label !== NULL && $default_label !== false) {
+		$pages_options = array('' => $default_label); // Blank option
 	}
 
 	$pages = get_pages();
-	if ( $pages ) {
-		foreach ( $pages as $page ) {
+	if ($pages) {
+		foreach ($pages as $page) {
 			$title = $with_slug ? $page->post_title . ' (' . $page->post_name . ')' : $page->post_title;
-            $pages_options[ $page->ID ] = $title;
+            $pages_options[$page->ID] = $title;
 		}
 	}
 
 	return $pages_options;
 }
 
-function wpinv_header_callback( $args ) {
-	if ( !empty( $args['desc'] ) ) {
+function wpinv_header_callback($args) {
+	if (!empty($args['desc'])) {
         echo $args['desc'];
     }
 }
 
-function wpinv_hidden_callback( $args ) {
+function wpinv_hidden_callback($args) {
 	global $wpinv_options;
 
-	if ( isset( $args['set_value'] ) ) {
+	if (isset($args['set_value'])) {
 		$value = $args['set_value'];
-	} elseif ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	} elseif (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	if ( isset( $args['faux'] ) && true === $args['faux'] ) {
+	if (isset($args['faux']) && true === $args['faux']) {
 		$args['readonly'] = true;
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 		$name  = '';
 	} else {
-		$name = 'name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"';
+		$name = 'name="wpinv_settings[' . esc_attr($args['id']) . ']"';
 	}
 
-	$html = '<input type="hidden" id="wpinv_settings[' . wpinv_sanitize_key( $args['id'] ) . ']" ' . $name . ' value="' . esc_attr( stripslashes( $value ) ) . '" />';
+	$html = '<input type="hidden" id="wpinv_settings[' . wpinv_sanitize_key($args['id']) . ']" ' . $name . ' value="' . esc_attr(stripslashes($value)) . '" />';
     
 	echo $html;
 }
@@ -494,61 +494,61 @@ 
 /**
  * Displays a checkbox settings callback.
  */
-function wpinv_checkbox_callback( $args ) {
+function wpinv_checkbox_callback($args) {
 
-	$std = isset( $args['std'] ) ? $args['std'] : '';
-	$std = wpinv_get_option( $args['id'], $std );
-	$id  = esc_attr( $args['id'] );
+	$std = isset($args['std']) ? $args['std'] : '';
+	$std = wpinv_get_option($args['id'], $std);
+	$id  = esc_attr($args['id']);
 
-	getpaid_hidden_field( "wpinv_settings[$id]", '0' );
+	getpaid_hidden_field("wpinv_settings[$id]", '0');
 	?>
 		<fieldset>
 			<label>
-				<input id="wpinv-settings-<?php echo $id; ?>" name="wpinv_settings[<?php echo $id; ?>]" <?php checked( empty( $std ), false ); ?> value="1" type="checkbox">
-				<?php echo wp_kses_post( $args['desc'] ); ?>
+				<input id="wpinv-settings-<?php echo $id; ?>" name="wpinv_settings[<?php echo $id; ?>]" <?php checked(empty($std), false); ?> value="1" type="checkbox">
+				<?php echo wp_kses_post($args['desc']); ?>
 			</label>
 		</fieldset>
 	<?php
 }
 
-function wpinv_multicheck_callback( $args ) {
+function wpinv_multicheck_callback($args) {
 	
 	global $wpinv_options;
 
-	$sanitize_id = wpinv_sanitize_key( $args['id'] );
-	$class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
+	$sanitize_id = wpinv_sanitize_key($args['id']);
+	$class = !empty($args['class']) ? ' ' . esc_attr($args['class']) : '';
 
-	if ( ! empty( $args['options'] ) ) {
+	if (!empty($args['options'])) {
 
-		$std     = isset( $args['std'] ) ? $args['std'] : array();
-		$value   = isset( $wpinv_options[ $args['id'] ] ) ? $wpinv_options[ $args['id'] ] : $std;
+		$std     = isset($args['std']) ? $args['std'] : array();
+		$value   = isset($wpinv_options[$args['id']]) ? $wpinv_options[$args['id']] : $std;
 
 		echo '<div class="wpi-mcheck-rows wpi-mcheck-' . $sanitize_id . $class . '">';
-        foreach( $args['options'] as $key => $option ):
-			$sanitize_key = wpinv_sanitize_key( $key );
-			if ( in_array( $sanitize_key, $value ) ) { 
+        foreach ($args['options'] as $key => $option):
+			$sanitize_key = wpinv_sanitize_key($key);
+			if (in_array($sanitize_key, $value)) { 
 				$enabled = $sanitize_key;
 			} else { 
 				$enabled = NULL; 
 			}
-			echo '<div class="wpi-mcheck-row"><input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $sanitize_key ) . '" ' . checked( $sanitize_key, $enabled, false ) . '/>&nbsp;';
-			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . wp_kses_post( $option ) . '</label></div>';
+			echo '<div class="wpi-mcheck-row"><input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr($sanitize_key) . '" ' . checked($sanitize_key, $enabled, false) . '/>&nbsp;';
+			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . wp_kses_post($option) . '</label></div>';
 		endforeach;
 		echo '</div>';
 		echo '<p class="description">' . $args['desc'] . '</p>';
 	}
 }
 
-function wpinv_payment_icons_callback( $args ) {
+function wpinv_payment_icons_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( ! empty( $args['options'] ) ) {
-		foreach( $args['options'] as $key => $option ) {
-            $sanitize_key = wpinv_sanitize_key( $key );
+	if (!empty($args['options'])) {
+		foreach ($args['options'] as $key => $option) {
+            $sanitize_key = wpinv_sanitize_key($key);
             
-			if( isset( $wpinv_options[$args['id']][$key] ) ) {
+			if (isset($wpinv_options[$args['id']][$key])) {
 				$enabled = $option;
 			} else {
 				$enabled = NULL;
@@ -556,109 +556,109 @@ 
 
 			echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" style="margin-right:10px;line-height:16px;height:16px;display:inline-block;">';
 
-				echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr( $option ) . '" ' . checked( $option, $enabled, false ) . '/>&nbsp;';
+				echo '<input name="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="' . esc_attr($option) . '" ' . checked($option, $enabled, false) . '/>&nbsp;';
 
-				if ( wpinv_string_is_image_url( $key ) ) {
-					echo '<img class="payment-icon" src="' . esc_url( $key ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
+				if (wpinv_string_is_image_url($key)) {
+					echo '<img class="payment-icon" src="' . esc_url($key) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
 				} else {
-					$card = strtolower( str_replace( ' ', '', $option ) );
+					$card = strtolower(str_replace(' ', '', $option));
 
-					if ( has_filter( 'wpinv_accepted_payment_' . $card . '_image' ) ) {
-						$image = apply_filters( 'wpinv_accepted_payment_' . $card . '_image', '' );
+					if (has_filter('wpinv_accepted_payment_' . $card . '_image')) {
+						$image = apply_filters('wpinv_accepted_payment_' . $card . '_image', '');
 					} else {
-						$image       = wpinv_locate_template( 'images' . DIRECTORY_SEPARATOR . 'icons' . DIRECTORY_SEPARATOR . $card . '.gif', false );
+						$image       = wpinv_locate_template('images' . DIRECTORY_SEPARATOR . 'icons' . DIRECTORY_SEPARATOR . $card . '.gif', false);
 						$content_dir = WP_CONTENT_DIR;
 
-						if ( function_exists( 'wp_normalize_path' ) ) {
+						if (function_exists('wp_normalize_path')) {
 							// Replaces backslashes with forward slashes for Windows systems
-							$image = wp_normalize_path( $image );
-							$content_dir = wp_normalize_path( $content_dir );
+							$image = wp_normalize_path($image);
+							$content_dir = wp_normalize_path($content_dir);
 						}
 
-						$image = str_replace( $content_dir, content_url(), $image );
+						$image = str_replace($content_dir, content_url(), $image);
 					}
 
-					echo '<img class="payment-icon" src="' . esc_url( $image ) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
+					echo '<img class="payment-icon" src="' . esc_url($image) . '" style="width:32px;height:24px;position:relative;top:6px;margin-right:5px;"/>';
 				}
 			echo $option . '</label>';
 		}
-		echo '<p class="description" style="margin-top:16px;">' . wp_kses_post( $args['desc'] ) . '</p>';
+		echo '<p class="description" style="margin-top:16px;">' . wp_kses_post($args['desc']) . '</p>';
 	}
 }
 
 /**
  * Displays a radio settings field.
  */
-function wpinv_radio_callback( $args ) {
+function wpinv_radio_callback($args) {
 
-	$std = isset( $args['std'] ) ? $args['std'] : '';
-	$std = wpinv_get_option( $args['id'], $std );
+	$std = isset($args['std']) ? $args['std'] : '';
+	$std = wpinv_get_option($args['id'], $std);
 	?>
 		<fieldset>
-			<ul id="wpinv-settings-<?php echo esc_attr( $args['id'] ); ?>" style="margin-top: 0;">
-				<?php foreach( $args['options'] as $key => $option ) : ?>
+			<ul id="wpinv-settings-<?php echo esc_attr($args['id']); ?>" style="margin-top: 0;">
+				<?php foreach ($args['options'] as $key => $option) : ?>
 					<li>
 						<label>
-							<input name="wpinv_settings[<?php echo esc_attr( $args['id'] ); ?>]" <?php checked( $std, $key ); ?> value="<?php echo esc_attr( $key ); ?>" type="radio">
-							<?php echo wp_kses_post( $option ); ?>
+							<input name="wpinv_settings[<?php echo esc_attr($args['id']); ?>]" <?php checked($std, $key); ?> value="<?php echo esc_attr($key); ?>" type="radio">
+							<?php echo wp_kses_post($option); ?>
 						</label>
 					</li>
 				<?php endforeach; ?>
 			</ul>
 		</fieldset>
 	<?php
-	getpaid_settings_description_callback( $args );
+	getpaid_settings_description_callback($args);
 }
 
 /**
  * Displays a description if available.
  */
-function getpaid_settings_description_callback( $args ) {
+function getpaid_settings_description_callback($args) {
 
-	if ( ! empty( $args['desc'] ) ) {
-		$description = wp_kses_post( $args['desc'] );
+	if (!empty($args['desc'])) {
+		$description = wp_kses_post($args['desc']);
 		echo "<p class='description'>$description</p>";
 	}
 
 }
 
-function wpinv_gateways_callback( $args ) {
+function wpinv_gateways_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	foreach ( $args['options'] as $key => $option ) :
-		$sanitize_key = wpinv_sanitize_key( $key );
+	foreach ($args['options'] as $key => $option) :
+		$sanitize_key = wpinv_sanitize_key($key);
         
-        if ( isset( $wpinv_options['gateways'][ $key ] ) )
+        if (isset($wpinv_options['gateways'][$key]))
 			$enabled = '1';
 		else
 			$enabled = null;
 
-		echo '<input name="wpinv_settings[' . esc_attr( $args['id'] ) . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="1" ' . checked('1', $enabled, false) . '/>&nbsp;';
-		echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html( $option['admin_label'] ) . '</label><br/>';
+		echo '<input name="wpinv_settings[' . esc_attr($args['id']) . '][' . $sanitize_key . ']" id="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']" type="checkbox" value="1" ' . checked('1', $enabled, false) . '/>&nbsp;';
+		echo '<label for="wpinv_settings[' . $sanitize_id . '][' . $sanitize_key . ']">' . esc_html($option['admin_label']) . '</label><br/>';
 	endforeach;
 }
 
 function wpinv_gateway_select_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
-    $class = !empty( $args['class'] ) ? ' ' . esc_attr( $args['class'] ) : '';
+    $sanitize_id = wpinv_sanitize_key($args['id']);
+    $class = !empty($args['class']) ? ' ' . esc_attr($args['class']) : '';
 
-	echo '<select name="wpinv_settings[' . $sanitize_id . ']"" id="wpinv_settings[' . $sanitize_id . ']" class="'.$class.'" >';
+	echo '<select name="wpinv_settings[' . $sanitize_id . ']"" id="wpinv_settings[' . $sanitize_id . ']" class="' . $class . '" >';
 
-	foreach ( $args['options'] as $key => $option ) :
-		if ( isset( $args['selected'] ) && $args['selected'] !== null && $args['selected'] !== false ) {
-            $selected = selected( $key, $args['selected'], false );
+	foreach ($args['options'] as $key => $option) :
+		if (isset($args['selected']) && $args['selected'] !== null && $args['selected'] !== false) {
+            $selected = selected($key, $args['selected'], false);
         } else {
-            $selected = isset( $wpinv_options[ $args['id'] ] ) ? selected( $key, $wpinv_options[$args['id']], false ) : '';
+            $selected = isset($wpinv_options[$args['id']]) ? selected($key, $wpinv_options[$args['id']], false) : '';
         }
-		echo '<option value="' . wpinv_sanitize_key( $key ) . '"' . $selected . '>' . esc_html( $option['admin_label'] ) . '</option>';
+		echo '<option value="' . wpinv_sanitize_key($key) . '"' . $selected . '>' . esc_html($option['admin_label']) . '</option>';
 	endforeach;
 
 	echo '</select>';
-	echo '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	echo '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 }
 
 /**
@@ -667,28 +667,28 @@ 
  * @param array $args
  * @return string
  */
-function wpinv_settings_attrs_helper( $args ) {
+function wpinv_settings_attrs_helper($args) {
 
-	$value        = isset( $args['std'] ) ? $args['std'] : '';
-	$id           = esc_attr( $args['id'] );
-	$placeholder  = esc_attr( $args['placeholder'] );
+	$value        = isset($args['std']) ? $args['std'] : '';
+	$id           = esc_attr($args['id']);
+	$placeholder  = esc_attr($args['placeholder']);
 
-	if ( ! empty( $args['faux'] ) ) {
+	if (!empty($args['faux'])) {
 		$args['readonly'] = true;
 		$name             = '';
 	} else {
-		$value  = wpinv_get_option( $args['id'], $value );
+		$value  = wpinv_get_option($args['id'], $value);
 		$name   = "wpinv_settings[$id]";
 	}
 
-	$value    = is_scalar( $value ) ? esc_attr( $value ) : '';
-	$class    = esc_attr( $args['class'] );
-	$style    = esc_attr( $args['style'] );
-	$readonly = empty( $args['readonly'] ) ? '' : 'readonly onclick="this.select()"';
+	$value    = is_scalar($value) ? esc_attr($value) : '';
+	$class    = esc_attr($args['class']);
+	$style    = esc_attr($args['style']);
+	$readonly = empty($args['readonly']) ? '' : 'readonly onclick="this.select()"';
 
 	$onchange = '';
-    if ( ! empty( $args['onchange'] ) ) {
-        $onchange = ' onchange="' . esc_attr( $args['onchange'] ) . '"';
+    if (!empty($args['onchange'])) {
+        $onchange = ' onchange="' . esc_attr($args['onchange']) . '"';
 	}
 
 	return "name='$name' id='wpinv-settings-$id' style='$style' value='$value' class='$class' placeholder='$placeholder' data-placeholder='$placeholder' $onchange $readonly";
@@ -697,11 +697,11 @@ 
 /**
  * Displays a text input settings callback.
  */
-function wpinv_text_callback( $args ) {
+function wpinv_text_callback($args) {
 
-	$desc = wp_kses_post( $args['desc'] );
-	$desc = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
-	$attr = wpinv_settings_attrs_helper( $args );
+	$desc = wp_kses_post($args['desc']);
+	$desc = empty($desc) ? '' : "<p class='description'>$desc</p>";
+	$attr = wpinv_settings_attrs_helper($args);
 
 	?>
 		<label style="width: 100%;">
@@ -715,14 +715,14 @@ 
 /**
  * Displays a number input settings callback.
  */
-function wpinv_number_callback( $args ) {
+function wpinv_number_callback($args) {
 
-	$desc = wp_kses_post( $args['desc'] );
-	$desc = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
-	$attr = wpinv_settings_attrs_helper( $args );
-	$max  = intval( $args['max'] );
-	$min  = intval( $args['min'] );
-	$step = floatval( $args['step'] );
+	$desc = wp_kses_post($args['desc']);
+	$desc = empty($desc) ? '' : "<p class='description'>$desc</p>";
+	$attr = wpinv_settings_attrs_helper($args);
+	$max  = intval($args['max']);
+	$min  = intval($args['min']);
+	$step = floatval($args['step']);
 
 	?>
 		<label style="width: 100%;">
@@ -733,47 +733,47 @@ 
 
 }
 
-function wpinv_textarea_callback( $args ) {
+function wpinv_textarea_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
     
-    $size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-    $class = ( isset( $args['class'] ) && ! is_null( $args['class'] ) ) ? $args['class'] : 'large-text';
+    $size = (isset($args['size']) && !is_null($args['size'])) ? $args['size'] : 'regular';
+    $class = (isset($args['class']) && !is_null($args['class'])) ? $args['class'] : 'large-text';
 
-	$html = '<textarea class="' . sanitize_html_class( $class ) . ' txtarea-' . sanitize_html_class( $size ) . ' wpi-' . esc_attr( sanitize_html_class( $sanitize_id ) ) . ' " cols="' . $args['cols'] . '" rows="' . $args['rows'] . '" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
-	$html .= '<br /><label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html = '<textarea class="' . sanitize_html_class($class) . ' txtarea-' . sanitize_html_class($size) . ' wpi-' . esc_attr(sanitize_html_class($sanitize_id)) . ' " cols="' . $args['cols'] . '" rows="' . $args['rows'] . '" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']">' . esc_textarea(stripslashes($value)) . '</textarea>';
+	$html .= '<br /><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_password_callback( $args ) {
+function wpinv_password_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="password" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '"/>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+	$size = (isset($args['size']) && !is_null($args['size'])) ? $args['size'] : 'regular';
+	$html = '<input type="password" class="' . sanitize_html_class($size) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" value="' . esc_attr($value) . '"/>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
 function wpinv_missing_callback($args) {
 	printf(
-		__( 'The callback function used for the %s setting is missing.', 'invoicing' ),
+		__('The callback function used for the %s setting is missing.', 'invoicing'),
 		'<strong>' . $args['id'] . '</strong>'
 	);
 }
@@ -781,20 +781,20 @@ 
 /**
  * Displays a number input settings callback.
  */
-function wpinv_select_callback( $args ) {
+function wpinv_select_callback($args) {
 
-	$desc   = wp_kses_post( $args['desc'] );
-	$desc   = empty( $desc ) ? '' : "<p class='description'>$desc</p>";
-	$attr   = wpinv_settings_attrs_helper( $args );
-	$value  = isset( $args['std'] ) ? $args['std'] : '';
-	$value  = wpinv_get_option( $args['id'], $value );
+	$desc   = wp_kses_post($args['desc']);
+	$desc   = empty($desc) ? '' : "<p class='description'>$desc</p>";
+	$attr   = wpinv_settings_attrs_helper($args);
+	$value  = isset($args['std']) ? $args['std'] : '';
+	$value  = wpinv_get_option($args['id'], $value);
 
 	?>
 		<label style="width: 100%;">
 			<select <?php echo $attr; ?>>
-				<?php foreach ( $args['options'] as $option => $name ) : ?>
-					<option value="<?php echo esc_attr( $option ); ?>" <?php echo selected( is_array( $value ) ? in_array( "$option", $value, true ) : "$option" === $value ); ?>><?php echo wpinv_clean( $name ); ?></option>
-				<?php endforeach;?>
+				<?php foreach ($args['options'] as $option => $name) : ?>
+					<option value="<?php echo esc_attr($option); ?>" <?php echo selected(is_array($value) ? in_array("$option", $value, true) : "$option" === $value); ?>><?php echo wpinv_clean($name); ?></option>
+				<?php endforeach; ?>
 			</select>
 			<?php echo $desc; ?>
 		</label>
@@ -802,95 +802,95 @@ 
 
 }
 
-function wpinv_color_select_callback( $args ) {
+function wpinv_color_select_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"/>';
+	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']"/>';
 
-	foreach ( $args['options'] as $option => $color ) {
-		$selected = selected( $option, $value, false );
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $color['label'] ) . '</option>';
+	foreach ($args['options'] as $option => $color) {
+		$selected = selected($option, $value, false);
+		$html .= '<option value="' . esc_attr($option) . '" ' . $selected . '>' . esc_html($color['label']) . '</option>';
 	}
 
 	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_rich_editor_callback( $args ) {
+function wpinv_rich_editor_callback($args) {
 	global $wpinv_options, $wp_version;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 
-		if( empty( $args['allow_blank'] ) && empty( $value ) ) {
-			$value = isset( $args['std'] ) ? $args['std'] : '';
+		if (empty($args['allow_blank']) && empty($value)) {
+			$value = isset($args['std']) ? $args['std'] : '';
 		}
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$rows = isset( $args['size'] ) ? $args['size'] : 20;
+	$rows = isset($args['size']) ? $args['size'] : 20;
 
 	$html = '<div class="getpaid-settings-editor-input">';
-	if ( $wp_version >= 3.3 && function_exists( 'wp_editor' ) ) {
+	if ($wp_version >= 3.3 && function_exists('wp_editor')) {
 		ob_start();
-		wp_editor( stripslashes( $value ), 'wpinv_settings_' . esc_attr( $args['id'] ), array( 'textarea_name' => 'wpinv_settings[' . esc_attr( $args['id'] ) . ']', 'textarea_rows' => absint( $rows ), 'media_buttons' => false ) );
+		wp_editor(stripslashes($value), 'wpinv_settings_' . esc_attr($args['id']), array('textarea_name' => 'wpinv_settings[' . esc_attr($args['id']) . ']', 'textarea_rows' => absint($rows), 'media_buttons' => false));
 		$html .= ob_get_clean();
 	} else {
-		$html .= '<textarea class="large-text" rows="10" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" class="wpi-' . esc_attr( sanitize_html_class( $args['id'] ) ) . '">' . esc_textarea( stripslashes( $value ) ) . '</textarea>';
+		$html .= '<textarea class="large-text" rows="10" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" class="wpi-' . esc_attr(sanitize_html_class($args['id'])) . '">' . esc_textarea(stripslashes($value)) . '</textarea>';
 	}
 
-	$html .= '</div><br/><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+	$html .= '</div><br/><label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_upload_callback( $args ) {
+function wpinv_upload_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
+	if (isset($wpinv_options[$args['id']])) {
 		$value = $wpinv_options[$args['id']];
 	} else {
 		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$size = ( isset( $args['size'] ) && ! is_null( $args['size'] ) ) ? $args['size'] : 'regular';
-	$html = '<input type="text" class="' . sanitize_html_class( $size ) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( stripslashes( $value ) ) . '"/>';
-	$html .= '<span>&nbsp;<input type="button" class="wpinv_settings_upload_button button-secondary" value="' . __( 'Upload File', 'invoicing' ) . '"/></span>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post( $args['desc'] ) . '</label>';
+	$size = (isset($args['size']) && !is_null($args['size'])) ? $args['size'] : 'regular';
+	$html = '<input type="text" class="' . sanitize_html_class($size) . '-text" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" value="' . esc_attr(stripslashes($value)) . '"/>';
+	$html .= '<span>&nbsp;<input type="button" class="wpinv_settings_upload_button button-secondary" value="' . __('Upload File', 'invoicing') . '"/></span>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
 
-function wpinv_color_callback( $args ) {
+function wpinv_color_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $wpinv_options[ $args['id'] ] ) ) {
-		$value = $wpinv_options[ $args['id'] ];
+	if (isset($wpinv_options[$args['id']])) {
+		$value = $wpinv_options[$args['id']];
 	} else {
-		$value = isset( $args['std'] ) ? $args['std'] : '';
+		$value = isset($args['std']) ? $args['std'] : '';
 	}
 
-	$default = isset( $args['std'] ) ? $args['std'] : '';
+	$default = isset($args['std']) ? $args['std'] : '';
 
-	$html = '<input type="text" class="wpinv-color-picker" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']" value="' . esc_attr( $value ) . '" data-default-color="' . esc_attr( $default ) . '" />';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html = '<input type="text" class="wpinv-color-picker" id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']" value="' . esc_attr($value) . '" data-default-color="' . esc_attr($default) . '" />';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
@@ -898,9 +898,9 @@ 
 function wpinv_country_states_callback($args) {
 	global $wpinv_options;
     
-    $sanitize_id = wpinv_sanitize_key( $args['id'] );
+    $sanitize_id = wpinv_sanitize_key($args['id']);
 
-	if ( isset( $args['placeholder'] ) ) {
+	if (isset($args['placeholder'])) {
 		$placeholder = $args['placeholder'];
 	} else {
 		$placeholder = '';
@@ -908,16 +908,16 @@ 
 
 	$states = wpinv_get_country_states();
 
-	$class = empty( $states ) ? ' class="wpinv-no-states"' : ' class="wpi_select2"';
-	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr( $args['id'] ) . ']"' . $class . 'data-placeholder="' . esc_html( $placeholder ) . '"/>';
+	$class = empty($states) ? ' class="wpinv-no-states"' : ' class="wpi_select2"';
+	$html = '<select id="wpinv_settings[' . $sanitize_id . ']" name="wpinv_settings[' . esc_attr($args['id']) . ']"' . $class . 'data-placeholder="' . esc_html($placeholder) . '"/>';
 
-	foreach ( $states as $option => $name ) {
-		$selected = isset( $wpinv_options[ $args['id'] ] ) ? selected( $option, $wpinv_options[$args['id']], false ) : '';
-		$html .= '<option value="' . esc_attr( $option ) . '" ' . $selected . '>' . esc_html( $name ) . '</option>';
+	foreach ($states as $option => $name) {
+		$selected = isset($wpinv_options[$args['id']]) ? selected($option, $wpinv_options[$args['id']], false) : '';
+		$html .= '<option value="' . esc_attr($option) . '" ' . $selected . '>' . esc_html($name) . '</option>';
 	}
 
 	$html .= '</select>';
-	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> '  . wp_kses_post( $args['desc'] ) . '</label>';
+	$html .= '<label for="wpinv_settings[' . $sanitize_id . ']"> ' . wp_kses_post($args['desc']) . '</label>';
 
 	echo $html;
 }
@@ -932,7 +932,7 @@ 
 	</tr>
 	<tr class="bsui">
     	<td colspan="2" class="p-0">
-			<?php include plugin_dir_path( __FILE__ ) . 'views/html-tax-rates-edit.php'; ?>
+			<?php include plugin_dir_path(__FILE__) . 'views/html-tax-rates-edit.php'; ?>
 
 	<?php
 
@@ -941,14 +941,14 @@ 
 /**
  * Displays a tax rate' edit row.
  */
-function wpinv_tax_rate_callback( $tax_rate, $key, $echo = true ) {
+function wpinv_tax_rate_callback($tax_rate, $key, $echo = true) {
 	ob_start();
 
-	$key                      = sanitize_key( $key );
-	$tax_rate['reduced_rate'] = empty( $tax_rate['reduced_rate'] ) ? 0 : $tax_rate['reduced_rate'];
-	include plugin_dir_path( __FILE__ ) . 'views/html-tax-rate-edit.php';
+	$key                      = sanitize_key($key);
+	$tax_rate['reduced_rate'] = empty($tax_rate['reduced_rate']) ? 0 : $tax_rate['reduced_rate'];
+	include plugin_dir_path(__FILE__) . 'views/html-tax-rate-edit.php';
 
-	if ( $echo ) {
+	if ($echo) {
 		echo ob_get_clean();
 	} else {
 		return ob_get_clean(); 
@@ -960,81 +960,81 @@ 
     ob_start(); ?>
     </td><tr>
     <td colspan="2" class="wpinv_tools_tdbox">
-    <?php if ( $args['desc'] ) { ?><p><?php echo $args['desc']; ?></p><?php } ?>
-    <?php do_action( 'wpinv_tools_before' ); ?>
+    <?php if ($args['desc']) { ?><p><?php echo $args['desc']; ?></p><?php } ?>
+    <?php do_action('wpinv_tools_before'); ?>
     <table id="wpinv_tools_table" class="wp-list-table widefat fixed posts">
         <thead>
             <tr>
-                <th scope="col" class="wpinv-th-tool"><?php _e( 'Tool', 'invoicing' ); ?></th>
-                <th scope="col" class="wpinv-th-desc"><?php _e( 'Description', 'invoicing' ); ?></th>
-                <th scope="col" class="wpinv-th-action"><?php _e( 'Action', 'invoicing' ); ?></th>
+                <th scope="col" class="wpinv-th-tool"><?php _e('Tool', 'invoicing'); ?></th>
+                <th scope="col" class="wpinv-th-desc"><?php _e('Description', 'invoicing'); ?></th>
+                <th scope="col" class="wpinv-th-action"><?php _e('Action', 'invoicing'); ?></th>
             </tr>
         </thead>
-            <?php do_action( 'wpinv_tools_row' ); ?>
+            <?php do_action('wpinv_tools_row'); ?>
         <tbody>
         </tbody>
     </table>
-    <?php do_action( 'wpinv_tools_after' ); ?>
+    <?php do_action('wpinv_tools_after'); ?>
     <?php
     echo ob_get_clean();
 }
 
-function wpinv_descriptive_text_callback( $args ) {
-	echo wp_kses_post( $args['desc'] );
+function wpinv_descriptive_text_callback($args) {
+	echo wp_kses_post($args['desc']);
 }
 
-function wpinv_raw_html_callback( $args ) {
+function wpinv_raw_html_callback($args) {
 	echo $args['desc'];
 }
 
-function wpinv_hook_callback( $args ) {
-	do_action( 'wpinv_' . $args['id'], $args );
+function wpinv_hook_callback($args) {
+	do_action('wpinv_' . $args['id'], $args);
 }
 
 function wpinv_set_settings_cap() {
 	return wpinv_get_capability();
 }
-add_filter( 'option_page_capability_wpinv_settings', 'wpinv_set_settings_cap' );
+add_filter('option_page_capability_wpinv_settings', 'wpinv_set_settings_cap');
 
-function wpinv_settings_sanitize_input( $value, $key ) {
+function wpinv_settings_sanitize_input($value, $key) {
 
-    if ( $key == 'tax_rate' ) {
-        $value = wpinv_sanitize_amount( $value );
+    if ($key == 'tax_rate') {
+        $value = wpinv_sanitize_amount($value);
         $value = $value >= 100 ? 99 : $value;
     }
 
     return $value;
 }
-add_filter( 'wpinv_settings_sanitize', 'wpinv_settings_sanitize_input', 10, 2 );
+add_filter('wpinv_settings_sanitize', 'wpinv_settings_sanitize_input', 10, 2);
 
-function wpinv_on_update_settings( $old_value, $value, $option ) {
-    $old = !empty( $old_value['remove_data_on_unistall'] ) ? 1 : '';
-    $new = !empty( $value['remove_data_on_unistall'] ) ? 1 : '';
+function wpinv_on_update_settings($old_value, $value, $option) {
+    $old = !empty($old_value['remove_data_on_unistall']) ? 1 : '';
+    $new = !empty($value['remove_data_on_unistall']) ? 1 : '';
     
-    if ( $old != $new ) {
-        update_option( 'wpinv_remove_data_on_invoice_unistall', $new );
+    if ($old != $new) {
+        update_option('wpinv_remove_data_on_invoice_unistall', $new);
     }
 }
-add_action( 'update_option_wpinv_settings', 'wpinv_on_update_settings', 10, 3 );
-add_action( 'wpinv_settings_tab_bottom_emails_new_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_cancelled_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_failed_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_onhold_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_processing_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_completed_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_refunded_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_user_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_user_note', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-add_action( 'wpinv_settings_tab_bottom_emails_overdue', 'wpinv_settings_tab_bottom_emails', 10, 2 );
-
-function wpinv_settings_tab_bottom_emails( $active_tab, $section ) {
+add_action('update_option_wpinv_settings', 'wpinv_on_update_settings', 10, 3);
+add_action('wpinv_settings_tab_bottom_emails_new_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_cancelled_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_failed_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_onhold_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_processing_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_completed_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_refunded_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_user_invoice', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_user_note', 'wpinv_settings_tab_bottom_emails', 10, 2);
+add_action('wpinv_settings_tab_bottom_emails_overdue', 'wpinv_settings_tab_bottom_emails', 10, 2);
+
+function wpinv_settings_tab_bottom_emails($active_tab, $section) {
     ?>
     <div class="wpinv-email-wc-row ">
         <div class="wpinv-email-wc-td">
-            <h3 class="wpinv-email-wc-title"><?php echo apply_filters( 'wpinv_settings_email_wildcards_title', __( 'Wildcards For Emails', 'invoicing' ) ); ?></h3>
+            <h3 class="wpinv-email-wc-title"><?php echo apply_filters('wpinv_settings_email_wildcards_title', __('Wildcards For Emails', 'invoicing')); ?></h3>
             <p class="wpinv-email-wc-description">
                 <?php
-                $description = __( 'The following wildcards can be used in email subjects, heading and content:<br>
+                $description = __('The following wildcards can be used in email subjects, heading and content:<br>
                     <strong>{site_title} :</strong> Site Title<br>
                     <strong>{name} :</strong> Customer\'s full name<br>
                     <strong>{first_name} :</strong> Customer\'s first name<br>
@@ -1048,7 +1048,7 @@ 
                     <strong>{invoice_due_date} :</strong> The date the invoice is due<br>
                     <strong>{date} :</strong> Today\'s date.<br>
                     <strong>{is_was} :</strong> If due date of invoice is past, displays "was" otherwise displays "is"<br>
-                    <strong>{invoice_label} :</strong> Invoices/quotes singular name. Ex: Invoice/Quote<br>', 'invoicing' );
+                    <strong>{invoice_label} :</strong> Invoices/quotes singular name. Ex: Invoice/Quote<br>', 'invoicing');
                 echo apply_filters('wpinv_settings_email_wildcards_description', $description, $active_tab, $section);
                 ?>
             </p>

includes/invoice-functions.php

Spacing +344 added lines, -344 removed lines

@@ -6,7 +6,7 @@ 
  * @package Invoicing
  */
  
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * Retrieves the current invoice.
@@ -14,15 +14,15 @@ 
 function getpaid_get_current_invoice_id() {
 
     // Ensure that we have an invoice key.
-    if ( empty( $_GET['invoice_key'] ) ) {
+    if (empty($_GET['invoice_key'])) {
         return 0;
     }
 
     // Retrieve an invoice using the key.
-    $invoice = new WPInv_Invoice( $_GET['invoice_key'] );
+    $invoice = new WPInv_Invoice($_GET['invoice_key']);
 
     // Compare the invoice key and the parsed key.
-    if ( $invoice->get_id() != 0 && $invoice->get_key() == $_GET['invoice_key'] ) {
+    if ($invoice->get_id() != 0 && $invoice->get_key() == $_GET['invoice_key']) {
         return $invoice->get_id();
     }
 
@@ -32,42 +32,42 @@ 
 /**
  * Checks if the current user cna view an invoice.
  */
-function wpinv_user_can_view_invoice( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_user_can_view_invoice($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if the invoice does not exist.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return false;
     }
 
     // Don't allow trash, draft status
-    if ( $invoice->is_draft() ) {
+    if ($invoice->is_draft()) {
         return false;
     }
 
     // If users are not required to login to check out, compare the invoice keys.
-    if ( ! wpinv_require_login_to_checkout() && isset( $_GET['invoice_key'] ) && trim( $_GET['invoice_key'] ) == $invoice->get_key() ) {
+    if (!wpinv_require_login_to_checkout() && isset($_GET['invoice_key']) && trim($_GET['invoice_key']) == $invoice->get_key()) {
         return true;
     }
 
     // Always enable for admins..
-    if ( wpinv_current_user_can_manage_invoicing() || current_user_can( 'view_invoices', $invoice->get_id() ) ) { // Admin user
+    if (wpinv_current_user_can_manage_invoicing() || current_user_can('view_invoices', $invoice->get_id())) { // Admin user
         return true;
     }
 
     // Else, ensure that this is their invoice.
-    if ( is_user_logged_in() && $invoice->get_user_id() == get_current_user_id() ) {
+    if (is_user_logged_in() && $invoice->get_user_id() == get_current_user_id()) {
         return true;
     }
 
-    return apply_filters( 'wpinv_current_user_can_view_invoice', false, $invoice );
+    return apply_filters('wpinv_current_user_can_view_invoice', false, $invoice);
 }
 
 /**
  * Checks if the current user cna view an invoice receipt.
  */
-function wpinv_can_view_receipt( $invoice ) {
-	return (bool) apply_filters( 'wpinv_can_view_receipt', wpinv_user_can_view_invoice( $invoice ), $invoice );
+function wpinv_can_view_receipt($invoice) {
+	return (bool) apply_filters('wpinv_can_view_receipt', wpinv_user_can_view_invoice($invoice), $invoice);
 }
 
 /**
@@ -77,11 +77,11 @@ 
  */
 function getpaid_get_invoice_post_types() {
     $post_types = array(
-        'wpi_quote'   => __( 'Quote', 'invoicing' ),
-        'wpi_invoice' => __( 'Invoice', 'invoicing' ),
+        'wpi_quote'   => __('Quote', 'invoicing'),
+        'wpi_invoice' => __('Invoice', 'invoicing'),
     );
 
-    return apply_filters( 'getpaid_invoice_post_types', $post_types );
+    return apply_filters('getpaid_invoice_post_types', $post_types);
 }
 
 /**
@@ -90,8 +90,8 @@ 
  * 
  * @param string $post_type The post type to check for.
  */
-function getpaid_is_invoice_post_type( $post_type ) {
-    return is_scalar( $post_type ) && ! empty( $post_type ) && array_key_exists( $post_type, getpaid_get_invoice_post_types() );
+function getpaid_is_invoice_post_type($post_type) {
+    return is_scalar($post_type) && !empty($post_type) && array_key_exists($post_type, getpaid_get_invoice_post_types());
 }
 
 /**
@@ -101,9 +101,9 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_create_invoice( $data = array(), $deprecated = null, $wp_error = false ) {
-    $data[ 'invoice_id' ] = 0;
-    return wpinv_insert_invoice( $data, $wp_error );
+function wpinv_create_invoice($data = array(), $deprecated = null, $wp_error = false) {
+    $data['invoice_id'] = 0;
+    return wpinv_insert_invoice($data, $wp_error);
 }
 
 /**
@@ -113,36 +113,36 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_update_invoice( $data = array(), $wp_error = false ) {
+function wpinv_update_invoice($data = array(), $wp_error = false) {
 
     // Backwards compatibility.
-    if ( ! empty( $data['ID'] ) ) {
+    if (!empty($data['ID'])) {
         $data['invoice_id'] = $data['ID'];
     }
 
     // Do we have an invoice id?
-    if ( empty( $data['invoice_id'] ) ) {
-        return $wp_error ? new WP_Error( 'invalid_invoice_id', __( 'Invalid invoice ID.', 'invoicing' ) ) : 0;
+    if (empty($data['invoice_id'])) {
+        return $wp_error ? new WP_Error('invalid_invoice_id', __('Invalid invoice ID.', 'invoicing')) : 0;
     }
 
     // Retrieve the invoice.
-    $invoice = wpinv_get_invoice( $data['invoice_id'] );
+    $invoice = wpinv_get_invoice($data['invoice_id']);
 
     // And abort if it does not exist.
-    if ( empty( $invoice ) ) {
-        return $wp_error ? new WP_Error( 'missing_invoice', __( 'Invoice not found.', 'invoicing' ) ) : 0;
+    if (empty($invoice)) {
+        return $wp_error ? new WP_Error('missing_invoice', __('Invoice not found.', 'invoicing')) : 0;
     }
 
     // Do not update totals for paid / refunded invoices.
-    if ( $invoice->is_paid() || $invoice->is_refunded() ) {
+    if ($invoice->is_paid() || $invoice->is_refunded()) {
 
-        if ( ! empty( $data['items'] ) || ! empty( $data['cart_details'] ) ) {
-            return $wp_error ? new WP_Error( 'paid_invoice', __( 'You can not update cart items for invoices that have already been paid for.', 'invoicing' ) ) : 0;
+        if (!empty($data['items']) || !empty($data['cart_details'])) {
+            return $wp_error ? new WP_Error('paid_invoice', __('You can not update cart items for invoices that have already been paid for.', 'invoicing')) : 0;
         }
 
     }
 
-    return wpinv_insert_invoice( $data, $wp_error );
+    return wpinv_insert_invoice($data, $wp_error);
 
 }
 
@@ -153,34 +153,34 @@ 
  * @param  bool  $wp_error       Whether to return false or WP_Error on failure.
  * @return int|WP_Error|WPInv_Invoice The value 0 or WP_Error on failure. The WPInv_Invoice object on success.
  */
-function wpinv_insert_invoice( $data = array(), $wp_error = false ) {
+function wpinv_insert_invoice($data = array(), $wp_error = false) {
 
     // Ensure that we have invoice data.
-    if ( empty( $data ) ) {
+    if (empty($data)) {
         return false;
     }
 
     // The invoice id will be provided when updating an invoice.
-    $data['invoice_id'] = ! empty( $data['invoice_id'] ) ? (int) $data['invoice_id'] : false;
+    $data['invoice_id'] = !empty($data['invoice_id']) ? (int) $data['invoice_id'] : false;
 
     // Retrieve the invoice.
-    $invoice = new WPInv_Invoice( $data['invoice_id'] );
+    $invoice = new WPInv_Invoice($data['invoice_id']);
 
     // Do we have an error?
-    if ( ! empty( $invoice->last_error ) ) {
-        return $wp_error ? new WP_Error( 'invalid_invoice_id', $invoice->last_error ) : 0;
+    if (!empty($invoice->last_error)) {
+        return $wp_error ? new WP_Error('invalid_invoice_id', $invoice->last_error) : 0;
     }
 
     // Backwards compatibility (billing address).
-    if ( ! empty( $data['user_info'] ) ) {
+    if (!empty($data['user_info'])) {
 
-        foreach ( $data['user_info'] as $key => $value ) {
+        foreach ($data['user_info'] as $key => $value) {
 
-            if ( $key == 'discounts' ) {
+            if ($key == 'discounts') {
                 $value = (array) $value;
-                $data[ 'discount_code' ] = empty( $value ) ? null : $value[0];
+                $data['discount_code'] = empty($value) ? null : $value[0];
             } else {
-                $data[ $key ] = $value;
+                $data[$key] = $value;
             }
 
         }
@@ -188,30 +188,30 @@ 
     }
 
     // Backwards compatibility.
-    if ( ! empty( $data['payment_details'] ) ) {
+    if (!empty($data['payment_details'])) {
 
-        foreach ( $data['payment_details'] as $key => $value ) {
-            $data[ $key ] = $value;
+        foreach ($data['payment_details'] as $key => $value) {
+            $data[$key] = $value;
         }
 
     }
 
     // Set up the owner of the invoice.
-    $user_id = ! empty( $data['user_id'] ) ? wpinv_clean( $data['user_id'] ) : get_current_user_id();
+    $user_id = !empty($data['user_id']) ? wpinv_clean($data['user_id']) : get_current_user_id();
 
     // Make sure the user exists.
-    if ( ! get_userdata( $user_id ) ) {
-        return $wp_error ? new WP_Error( 'wpinv_invalid_user', __( 'There is no user with that ID.', 'invoicing' ) ) : 0;
+    if (!get_userdata($user_id)) {
+        return $wp_error ? new WP_Error('wpinv_invalid_user', __('There is no user with that ID.', 'invoicing')) : 0;
     }
 
-    $address = wpinv_get_user_address( $user_id );
+    $address = wpinv_get_user_address($user_id);
 
-    foreach ( $address as $key => $value ) {
+    foreach ($address as $key => $value) {
 
-        if ( $value == '' ) {
-            $address[ $key ] = null;
+        if ($value == '') {
+            $address[$key] = null;
         } else {
-            $address[ $key ] = wpinv_clean( $value );
+            $address[$key] = wpinv_clean($value);
         }
 
     }
@@ -222,103 +222,103 @@ 
         array(
 
             // Basic info.
-            'template'             => isset( $data['template'] ) ? wpinv_clean( $data['template'] ) : null,
-            'email_cc'             => isset( $data['email_cc'] ) ? wpinv_clean( $data['email_cc'] ) : null,
-            'date_created'         => isset( $data['created_date'] ) ? wpinv_clean( $data['created_date'] ) : null,
-            'due_date'             => isset( $data['due_date'] ) ? wpinv_clean( $data['due_date'] ) : null,
-            'date_completed'       => isset( $data['date_completed'] ) ? wpinv_clean( $data['date_completed'] ) : null,
-            'number'               => isset( $data['number'] ) ? wpinv_clean( $data['number'] ) : null,
-            'key'                  => isset( $data['key'] ) ? wpinv_clean( $data['key'] ) : null,
-            'status'               => isset( $data['status'] ) ? wpinv_clean( $data['status'] ) : null,
-            'post_type'            => isset( $data['post_type'] ) ? wpinv_clean( $data['post_type'] ) : null,
-            'user_ip'              => isset( $data['ip'] ) ? wpinv_clean( $data['ip'] ) : wpinv_get_ip(),
-            'parent_id'            => isset( $data['parent'] ) ? intval( $data['parent'] ) : null,
-            'mode'                 => isset( $data['mode'] ) ? wpinv_clean( $data['mode'] ) : null,
-            'description'          => isset( $data['description'] ) ? wp_kses_post( $data['description'] ) : null,
+            'template'             => isset($data['template']) ? wpinv_clean($data['template']) : null,
+            'email_cc'             => isset($data['email_cc']) ? wpinv_clean($data['email_cc']) : null,
+            'date_created'         => isset($data['created_date']) ? wpinv_clean($data['created_date']) : null,
+            'due_date'             => isset($data['due_date']) ? wpinv_clean($data['due_date']) : null,
+            'date_completed'       => isset($data['date_completed']) ? wpinv_clean($data['date_completed']) : null,
+            'number'               => isset($data['number']) ? wpinv_clean($data['number']) : null,
+            'key'                  => isset($data['key']) ? wpinv_clean($data['key']) : null,
+            'status'               => isset($data['status']) ? wpinv_clean($data['status']) : null,
+            'post_type'            => isset($data['post_type']) ? wpinv_clean($data['post_type']) : null,
+            'user_ip'              => isset($data['ip']) ? wpinv_clean($data['ip']) : wpinv_get_ip(),
+            'parent_id'            => isset($data['parent']) ? intval($data['parent']) : null,
+            'mode'                 => isset($data['mode']) ? wpinv_clean($data['mode']) : null,
+            'description'          => isset($data['description']) ? wp_kses_post($data['description']) : null,
 
             // Payment info.
-            'disable_taxes'        => ! empty( $data['disable_taxes'] ),
-            'currency'             => isset( $data['currency'] ) ? wpinv_clean( $data['currency'] ) : wpinv_get_currency(),
-            'gateway'              => isset( $data['gateway'] ) ? wpinv_clean( $data['gateway'] ) : null,
-            'transaction_id'       => isset( $data['transaction_id'] ) ? wpinv_clean( $data['transaction_id'] ) : null,
-            'discount_code'        => isset( $data['discount_code'] ) ? wpinv_clean( $data['discount_code'] ) : null,
-            'payment_form'         => isset( $data['payment_form'] ) ? intval( $data['payment_form'] ) : null,
-            'submission_id'        => isset( $data['submission_id'] ) ? wpinv_clean( $data['submission_id'] ) : null,
-            'subscription_id'      => isset( $data['subscription_id'] ) ? wpinv_clean( $data['subscription_id'] ) : null,
-            'is_viewed'            => isset( $data['is_viewed'] ) ? wpinv_clean( $data['is_viewed'] ) : null,
-            'fees'                 => isset( $data['fees'] ) ? wpinv_clean( $data['fees'] ) : null,
-            'discounts'            => isset( $data['discounts'] ) ? wpinv_clean( $data['discounts'] ) : null,
-            'taxes'                => isset( $data['taxes'] ) ? wpinv_clean( $data['taxes'] ) : null,
+            'disable_taxes'        => !empty($data['disable_taxes']),
+            'currency'             => isset($data['currency']) ? wpinv_clean($data['currency']) : wpinv_get_currency(),
+            'gateway'              => isset($data['gateway']) ? wpinv_clean($data['gateway']) : null,
+            'transaction_id'       => isset($data['transaction_id']) ? wpinv_clean($data['transaction_id']) : null,
+            'discount_code'        => isset($data['discount_code']) ? wpinv_clean($data['discount_code']) : null,
+            'payment_form'         => isset($data['payment_form']) ? intval($data['payment_form']) : null,
+            'submission_id'        => isset($data['submission_id']) ? wpinv_clean($data['submission_id']) : null,
+            'subscription_id'      => isset($data['subscription_id']) ? wpinv_clean($data['subscription_id']) : null,
+            'is_viewed'            => isset($data['is_viewed']) ? wpinv_clean($data['is_viewed']) : null,
+            'fees'                 => isset($data['fees']) ? wpinv_clean($data['fees']) : null,
+            'discounts'            => isset($data['discounts']) ? wpinv_clean($data['discounts']) : null,
+            'taxes'                => isset($data['taxes']) ? wpinv_clean($data['taxes']) : null,
             
 
             // Billing details.
             'user_id'              => $data['user_id'],
-            'first_name'           => isset( $data['first_name'] ) ? wpinv_clean( $data['first_name'] ) : $address['first_name'],
-            'last_name'            => isset( $data['last_name'] ) ? wpinv_clean( $data['last_name'] ) : $address['last_name'],
-            'address'              => isset( $data['address'] ) ? wpinv_clean( $data['address'] ) : $address['address'] ,
-            'vat_number'           => isset( $data['vat_number'] ) ? wpinv_clean( $data['vat_number'] ) : $address['vat_number'],
-            'company'              => isset( $data['company'] ) ? wpinv_clean( $data['company'] ) : $address['company'],
-            'zip'                  => isset( $data['zip'] ) ? wpinv_clean( $data['zip'] ) : $address['zip'],
-            'state'                => isset( $data['state'] ) ? wpinv_clean( $data['state'] ) : $address['state'],
-            'city'                 => isset( $data['city'] ) ? wpinv_clean( $data['city'] ) : $address['city'],
-            'country'              => isset( $data['country'] ) ? wpinv_clean( $data['country'] ) : $address['country'],
-            'phone'                => isset( $data['phone'] ) ? wpinv_clean( $data['phone'] ) : $address['phone'],
-            'address_confirmed'    => ! empty( $data['address_confirmed'] ),
+            'first_name'           => isset($data['first_name']) ? wpinv_clean($data['first_name']) : $address['first_name'],
+            'last_name'            => isset($data['last_name']) ? wpinv_clean($data['last_name']) : $address['last_name'],
+            'address'              => isset($data['address']) ? wpinv_clean($data['address']) : $address['address'],
+            'vat_number'           => isset($data['vat_number']) ? wpinv_clean($data['vat_number']) : $address['vat_number'],
+            'company'              => isset($data['company']) ? wpinv_clean($data['company']) : $address['company'],
+            'zip'                  => isset($data['zip']) ? wpinv_clean($data['zip']) : $address['zip'],
+            'state'                => isset($data['state']) ? wpinv_clean($data['state']) : $address['state'],
+            'city'                 => isset($data['city']) ? wpinv_clean($data['city']) : $address['city'],
+            'country'              => isset($data['country']) ? wpinv_clean($data['country']) : $address['country'],
+            'phone'                => isset($data['phone']) ? wpinv_clean($data['phone']) : $address['phone'],
+            'address_confirmed'    => !empty($data['address_confirmed']),
 
         )
 
     );
 
     // Backwards compatibililty.
-    if ( ! empty( $data['cart_details'] ) && is_array( $data['cart_details'] ) ) {
+    if (!empty($data['cart_details']) && is_array($data['cart_details'])) {
         $data['items'] = array();
 
-        foreach( $data['cart_details'] as $_item ) {
+        foreach ($data['cart_details'] as $_item) {
 
             // Ensure that we have an item id.
-            if ( empty(  $_item['id']  ) ) {
+            if (empty($_item['id'])) {
                 continue;
             }
 
             // Retrieve the item.
-            $item = new GetPaid_Form_Item(  $_item['id']  );
+            $item = new GetPaid_Form_Item($_item['id']);
 
             // Ensure that it is purchasable.
-            if ( ! $item->can_purchase() ) {
+            if (!$item->can_purchase()) {
                 continue;
             }
 
             // Set quantity.
-            if ( ! empty( $_item['quantity'] ) && is_numeric( $_item['quantity'] ) ) {
-                $item->set_quantity( $_item['quantity'] );
+            if (!empty($_item['quantity']) && is_numeric($_item['quantity'])) {
+                $item->set_quantity($_item['quantity']);
             }
 
             // Set price.
-            if ( isset( $_item['item_price'] ) ) {
-                $item->set_price( $_item['item_price'] );
+            if (isset($_item['item_price'])) {
+                $item->set_price($_item['item_price']);
             }
 
-            if ( isset( $_item['custom_price'] ) ) {
-                $item->set_price( $_item['custom_price'] );
+            if (isset($_item['custom_price'])) {
+                $item->set_price($_item['custom_price']);
             }
 
             // Set name.
-            if ( ! empty( $_item['name'] ) ) {
-                $item->set_name( $_item['name'] );
+            if (!empty($_item['name'])) {
+                $item->set_name($_item['name']);
             }
 
             // Set description.
-            if ( isset( $_item['description'] ) ) {
-                $item->set_custom_description( $_item['description'] );
+            if (isset($_item['description'])) {
+                $item->set_custom_description($_item['description']);
             }
 
             // Set meta.
-            if ( isset( $_item['meta'] ) && is_array( $_item['meta'] ) ) {
+            if (isset($_item['meta']) && is_array($_item['meta'])) {
 
-                $item->set_item_meta( $_item['meta'] );
+                $item->set_item_meta($_item['meta']);
 
-                if ( isset( $_item['meta']['description'] ) ) {
-                    $item->set_custom_description( $_item['meta']['description'] );
+                if (isset($_item['meta']['description'])) {
+                    $item->set_custom_description($_item['meta']['description']);
                 }
 
             }
@@ -329,14 +329,14 @@ 
     }
 
     // Add invoice items.
-    if ( ! empty( $data['items'] ) && is_array( $data['items'] ) ) {
+    if (!empty($data['items']) && is_array($data['items'])) {
 
-        $invoice->set_items( array() );
+        $invoice->set_items(array());
 
-        foreach ( $data['items'] as $item ) {
+        foreach ($data['items'] as $item) {
 
-            if ( is_object( $item ) && is_a( $item, 'GetPaid_Form_Item' ) && $item->can_purchase() ) {
-                $invoice->add_item( $item );
+            if (is_object($item) && is_a($item, 'GetPaid_Form_Item') && $item->can_purchase()) {
+                $invoice->add_item($item);
             }
 
         }
@@ -347,30 +347,30 @@ 
     $invoice->recalculate_total();
     $invoice->save();
 
-    if ( ! $invoice->get_id() ) {
-        return $wp_error ? new WP_Error( 'wpinv_insert_invoice_error', __( 'An error occured when saving your invoice.', 'invoicing' ) ) : 0;
+    if (!$invoice->get_id()) {
+        return $wp_error ? new WP_Error('wpinv_insert_invoice_error', __('An error occured when saving your invoice.', 'invoicing')) : 0;
     }
 
     // Add private note.
-    if ( ! empty( $data['private_note'] ) ) {
-        $invoice->add_note( $data['private_note'] );
+    if (!empty($data['private_note'])) {
+        $invoice->add_note($data['private_note']);
     }
 
     // User notes.
-    if ( !empty( $data['user_note'] ) ) {
-        $invoice->add_note( $data['user_note'], true );
+    if (!empty($data['user_note'])) {
+        $invoice->add_note($data['user_note'], true);
     }
 
     // Created via.
-    if ( isset( $data['created_via'] ) ) {
-        update_post_meta( $invoice->get_id(), 'wpinv_created_via', $data['created_via'] );
+    if (isset($data['created_via'])) {
+        update_post_meta($invoice->get_id(), 'wpinv_created_via', $data['created_via']);
     }
 
     // Backwards compatiblity.
-    if ( $invoice->is_quote() ) {
+    if ($invoice->is_quote()) {
 
-        if ( isset( $data['valid_until'] ) ) {
-            update_post_meta( $invoice->get_id(), 'wpinv_quote_valid_until', $data['valid_until'] );
+        if (isset($data['valid_until'])) {
+            update_post_meta($invoice->get_id(), 'wpinv_quote_valid_until', $data['valid_until']);
         }
         return $invoice;
 
@@ -385,18 +385,18 @@ 
  * @param $bool $deprecated
  * @return WPInv_Invoice|null
  */
-function wpinv_get_invoice( $invoice = 0, $deprecated = false ) {
+function wpinv_get_invoice($invoice = 0, $deprecated = false) {
 
     // If we are retrieving the invoice from the cart...
-    if ( $deprecated && empty( $invoice ) ) {
+    if ($deprecated && empty($invoice)) {
         $invoice = (int) getpaid_get_current_invoice_id();
     }
 
     // Retrieve the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Check if it exists.
-    if ( $invoice->get_id() != 0 ) {
+    if ($invoice->get_id() != 0) {
         return $invoice;
     }
 
@@ -409,15 +409,15 @@ 
  * @param array $args Args to search for.
  * @return WPInv_Invoice[]|int[]|object
  */
-function wpinv_get_invoices( $args ) {
+function wpinv_get_invoices($args) {
 
     // Prepare args.
     $args = wp_parse_args(
         $args,
         array(
-            'status'   => array_keys( wpinv_get_invoice_statuses() ),
+            'status'   => array_keys(wpinv_get_invoice_statuses()),
             'type'     => 'wpi_invoice',
-            'limit'    => get_option( 'posts_per_page' ),
+            'limit'    => get_option('posts_per_page'),
             'return'   => 'objects',
         )
     );
@@ -435,24 +435,24 @@ 
         'post__in'       => 'include',
     );
 
-    foreach ( $map_legacy as $to => $from ) {
-        if ( isset( $args[ $from ] ) ) {
-            $args[ $to ] = $args[ $from ];
-            unset( $args[ $from ] );
+    foreach ($map_legacy as $to => $from) {
+        if (isset($args[$from])) {
+            $args[$to] = $args[$from];
+            unset($args[$from]);
         }
     }
 
     // Backwards compatibility.
-    if ( ! empty( $args['email'] ) && empty( $args['user'] ) ) {
+    if (!empty($args['email']) && empty($args['user'])) {
         $args['user'] = $args['email'];
-        unset( $args['email'] );
+        unset($args['email']);
     }
 
     // Handle cases where the user is set as an email.
-    if ( ! empty( $args['author'] ) && is_email( $args['author'] ) ) {
-        $user = get_user_by( 'email', $args['user'] );
+    if (!empty($args['author']) && is_email($args['author'])) {
+        $user = get_user_by('email', $args['user']);
 
-        if ( $user ) {
+        if ($user) {
             $args['author'] = $user->user_email;
         }
 
@@ -463,31 +463,31 @@ 
 
     // Show all posts.
     $paginate = true;
-    if ( isset( $args['paginate'] ) ) {
+    if (isset($args['paginate'])) {
 
         $paginate = $args['paginate'];
-        $args['no_found_rows'] = empty( $args['paginate'] );
-        unset( $args['paginate'] );
+        $args['no_found_rows'] = empty($args['paginate']);
+        unset($args['paginate']);
 
     }
 
     // Whether to return objects or fields.
     $return = $args['return'];
-    unset( $args['return'] );
+    unset($args['return']);
 
     // Get invoices.
-    $invoices = new WP_Query( apply_filters( 'wpinv_get_invoices_args', $args ) );
+    $invoices = new WP_Query(apply_filters('wpinv_get_invoices_args', $args));
 
     // Prepare the results.
-    if ( 'objects' === $return ) {
-        $results = array_map( 'wpinv_get_invoice', $invoices->posts );
-    } elseif ( 'self' === $return ) {
+    if ('objects' === $return) {
+        $results = array_map('wpinv_get_invoice', $invoices->posts);
+    } elseif ('self' === $return) {
         return $invoices;
     } else {
         $results = $invoices->posts;
     }
 
-    if ( $paginate ) {
+    if ($paginate) {
         return (object) array(
             'invoices'      => $results,
             'total'         => $invoices->found_posts,
@@ -505,8 +505,8 @@ 
  * @param string $transaction_id The transaction id to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_id_by_transaction_id( $transaction_id ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $transaction_id, 'transaction_id' );
+function wpinv_get_id_by_transaction_id($transaction_id) {
+    return WPInv_Invoice::get_invoice_id_by_field($transaction_id, 'transaction_id');
 }
 
 /**
@@ -515,8 +515,8 @@ 
  * @param string $invoice_number The invoice number to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_id_by_invoice_number( $invoice_number ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $invoice_number, 'number' );
+function wpinv_get_id_by_invoice_number($invoice_number) {
+    return WPInv_Invoice::get_invoice_id_by_field($invoice_number, 'number');
 }
 
 /**
@@ -525,8 +525,8 @@ 
  * @param string $invoice_key The invoice key to check.
  * @return int Invoice id on success or 0 on failure
  */
-function wpinv_get_invoice_id_by_key( $invoice_key ) {
-    return WPInv_Invoice::get_invoice_id_by_field( $invoice_key, 'key' );
+function wpinv_get_invoice_id_by_key($invoice_key) {
+    return WPInv_Invoice::get_invoice_id_by_field($invoice_key, 'key');
 }
 
 /**
@@ -536,19 +536,19 @@ 
  * @param string $type Optionally filter by type i.e customer|system
  * @return array|null
  */
-function wpinv_get_invoice_notes( $invoice = 0, $type = '' ) {
+function wpinv_get_invoice_notes($invoice = 0, $type = '') {
 
     // Prepare the invoice.
-    $invoice = wpinv_get_invoice( $invoice );
-    if ( empty( $invoice ) ) {
+    $invoice = wpinv_get_invoice($invoice);
+    if (empty($invoice)) {
         return NULL;
     }
 
     // Fetch notes.
-    $notes = getpaid_notes()->get_invoice_notes( $invoice->get_id(), $type );
+    $notes = getpaid_notes()->get_invoice_notes($invoice->get_id(), $type);
 
     // Filter the notes.
-    return apply_filters( 'wpinv_invoice_notes', $notes, $invoice->get_id(), $type );
+    return apply_filters('wpinv_invoice_notes', $notes, $invoice->get_id(), $type);
 }
 
 /**
@@ -556,10 +556,10 @@ 
  * 
  * @param string $post_type
  */
-function wpinv_get_user_invoices_columns( $post_type = 'wpi_invoice' ) {
+function wpinv_get_user_invoices_columns($post_type = 'wpi_invoice') {
 
-    $label   = getpaid_get_post_type_label( $post_type, false );
-    $label   = empty( $label ) ? __( 'Invoice', 'invoicing' ) : sanitize_text_field( $label );
+    $label   = getpaid_get_post_type_label($post_type, false);
+    $label   = empty($label) ? __('Invoice', 'invoicing') : sanitize_text_field($label);
     $columns = array(
 
             'invoice-number'  => array(
@@ -568,22 +568,22 @@ 
             ),
 
             'created-date'    => array(
-                'title' => __( 'Created Date', 'invoicing' ),
+                'title' => __('Created Date', 'invoicing'),
                 'class' => 'text-left'
             ),
 
             'payment-date'    => array(
-                'title' => __( 'Payment Date', 'invoicing' ),
+                'title' => __('Payment Date', 'invoicing'),
                 'class' => 'text-left'
             ),
 
             'invoice-status'  => array(
-                'title' => __( 'Status', 'invoicing' ),
+                'title' => __('Status', 'invoicing'),
                 'class' => 'text-center'
             ),
 
             'invoice-total'   => array(
-                'title' => __( 'Total', 'invoicing' ),
+                'title' => __('Total', 'invoicing'),
                 'class' => 'text-right'
             ),
 
@@ -594,7 +594,7 @@ 
 
         );
 
-    return apply_filters( 'wpinv_user_invoices_columns', $columns, $post_type );
+    return apply_filters('wpinv_user_invoices_columns', $columns, $post_type);
 }
 
 /**
@@ -604,59 +604,59 @@ 
 
     // Find the invoice.
     $invoice_id = getpaid_get_current_invoice_id();
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // Abort if non was found.
-    if ( empty( $invoice_id ) || $invoice->is_draft() ) {
+    if (empty($invoice_id) || $invoice->is_draft()) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'We could not find your invoice', 'invoicing' ),
+                'content' => __('We could not find your invoice', 'invoicing'),
             )
         );
 
     }
 
     // Can the user view this invoice?
-    if ( ! wpinv_can_view_receipt( $invoice_id ) ) {
+    if (!wpinv_can_view_receipt($invoice_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
-                'content' => __( 'You are not allowed to view this receipt', 'invoicing' ),
+                'content' => __('You are not allowed to view this receipt', 'invoicing'),
             )
         );
 
     }
 
     // Load the template.
-    return wpinv_get_template_html( 'invoice-receipt.php', compact( 'invoice' ) );
+    return wpinv_get_template_html('invoice-receipt.php', compact('invoice'));
 
 }
 
 /**
  * Displays the invoice history.
  */
-function getpaid_invoice_history( $user_id = 0, $post_type = 'wpi_invoice' ) {
+function getpaid_invoice_history($user_id = 0, $post_type = 'wpi_invoice') {
 
     // Ensure that we have a user id.
-    if ( empty( $user_id ) || ! is_numeric( $user_id ) ) {
+    if (empty($user_id) || !is_numeric($user_id)) {
         $user_id = get_current_user_id();
     }
 
-    $label = getpaid_get_post_type_label( $post_type );
-    $label = empty( $label ) ? __( 'Invoices', 'invoicing' ) : sanitize_text_field( $label );
+    $label = getpaid_get_post_type_label($post_type);
+    $label = empty($label) ? __('Invoices', 'invoicing') : sanitize_text_field($label);
 
     // View user id.
-    if ( empty( $user_id ) ) {
+    if (empty($user_id)) {
 
         return aui()->alert(
             array(
                 'type'    => 'warning',
                 'content' => sprintf(
-                    __( 'You must be logged in to view your %s.', 'invoicing' ),
-                    strtolower( $label )
+                    __('You must be logged in to view your %s.', 'invoicing'),
+                    strtolower($label)
                 )
             )
         );
@@ -667,23 +667,23 @@ 
     $invoices = wpinv_get_invoices(
 
         array(
-            'page'      => ( get_query_var( 'paged' ) ) ? absint( get_query_var( 'paged' ) ) : 1,
+            'page'      => (get_query_var('paged')) ? absint(get_query_var('paged')) : 1,
             'user'      => $user_id,
             'paginate'  => true,
             'type'      => $post_type,
-            'status'    => array_keys( wpinv_get_invoice_statuses( false, false, $post_type ) ),
+            'status'    => array_keys(wpinv_get_invoice_statuses(false, false, $post_type)),
         )
 
     );
 
-    if ( empty( $invoices->total ) ) {
+    if (empty($invoices->total)) {
 
         return aui()->alert(
             array(
                 'type'    => 'info',
                 'content' => sprintf(
-                    __( 'No %s found.', 'invoicing' ),
-                    strtolower( $label )
+                    __('No %s found.', 'invoicing'),
+                    strtolower($label)
                 )
             )
         );
@@ -691,38 +691,38 @@ 
     }
 
     // Load the template.
-    return wpinv_get_template_html( 'invoice-history.php', compact( 'invoices', 'post_type' ) );
+    return wpinv_get_template_html('invoice-history.php', compact('invoices', 'post_type'));
 
 }
 
 /**
  * Formats an invoice number given an invoice type.
  */
-function wpinv_format_invoice_number( $number, $type = '' ) {
+function wpinv_format_invoice_number($number, $type = '') {
 
     // Allow other plugins to overide this.
-    $check = apply_filters( 'wpinv_pre_format_invoice_number', null, $number, $type );
-    if ( null !== $check ) {
+    $check = apply_filters('wpinv_pre_format_invoice_number', null, $number, $type);
+    if (null !== $check) {
         return $check;
     }
 
     // Ensure that we have a numeric number.
-    if ( ! is_numeric( $number ) ) {
+    if (!is_numeric($number)) {
         return $number;
     }
 
     // Format the number.
-    $padd             = absint( (int) wpinv_get_option( 'invoice_number_padd' ) );
-    $prefix           = sanitize_text_field( (string) wpinv_get_option( 'invoice_number_prefix', 'INV-' ) );
-    $prefix           = sanitize_text_field( apply_filters( 'getpaid_invoice_type_prefix', $prefix, $type ) );
-    $postfix          = sanitize_text_field( (string) wpinv_get_option( 'invoice_number_postfix' ) );
-    $postfix          = sanitize_text_field( apply_filters( 'getpaid_invoice_type_postfix', $postfix, $type ) );
-    $formatted_number = zeroise( absint( $number ), $padd );
+    $padd             = absint((int) wpinv_get_option('invoice_number_padd'));
+    $prefix           = sanitize_text_field((string) wpinv_get_option('invoice_number_prefix', 'INV-'));
+    $prefix           = sanitize_text_field(apply_filters('getpaid_invoice_type_prefix', $prefix, $type));
+    $postfix          = sanitize_text_field((string) wpinv_get_option('invoice_number_postfix'));
+    $postfix          = sanitize_text_field(apply_filters('getpaid_invoice_type_postfix', $postfix, $type));
+    $formatted_number = zeroise(absint($number), $padd);
 
     // Add the prefix and post fix.
     $formatted_number = $prefix . $formatted_number . $postfix;
 
-    return apply_filters( 'wpinv_format_invoice_number', $formatted_number, $number, $prefix, $postfix, $padd );
+    return apply_filters('wpinv_format_invoice_number', $formatted_number, $number, $prefix, $postfix, $padd);
 }
 
 /**
@@ -731,58 +731,58 @@ 
  * @param string $type.
  * @return int|null|bool
  */
-function wpinv_get_next_invoice_number( $type = '' ) {
+function wpinv_get_next_invoice_number($type = '') {
 
     // Allow plugins to overide this.
-    $check = apply_filters( 'wpinv_get_pre_next_invoice_number', null, $type );
-    if ( null !== $check ) {
+    $check = apply_filters('wpinv_get_pre_next_invoice_number', null, $type);
+    if (null !== $check) {
         return $check;
     }
 
     // Ensure sequential invoice numbers is active.
-    if ( ! wpinv_sequential_number_active() ) {
+    if (!wpinv_sequential_number_active()) {
         return false;
     }
 
     // Retrieve the current number and the start number.
-    $number = (int) get_option( 'wpinv_last_invoice_number', 0 );
-    $start  = absint( (int) wpinv_get_option( 'invoice_sequence_start', 1 ) );
+    $number = (int) get_option('wpinv_last_invoice_number', 0);
+    $start  = absint((int) wpinv_get_option('invoice_sequence_start', 1));
 
     // Ensure that we are starting at a positive integer.
-    $start  = max( $start, 1 );
+    $start  = max($start, 1);
 
     // If this is the first invoice, use the start number.
-    $number = max( $start, $number );
+    $number = max($start, $number);
 
     // Format the invoice number.
-    $formatted_number = wpinv_format_invoice_number( $number, $type );
+    $formatted_number = wpinv_format_invoice_number($number, $type);
 
     // Ensure that this number is unique.
-    $invoice_id = WPInv_Invoice::get_invoice_id_by_field( $formatted_number, 'number' );
+    $invoice_id = WPInv_Invoice::get_invoice_id_by_field($formatted_number, 'number');
 
     // We found a match. Nice.
-    if ( empty( $invoice_id ) ) {
-        update_option( 'wpinv_last_invoice_number', $number );
-        return apply_filters( 'wpinv_get_next_invoice_number', $number );
+    if (empty($invoice_id)) {
+        update_option('wpinv_last_invoice_number', $number);
+        return apply_filters('wpinv_get_next_invoice_number', $number);
     }
 
-    update_option( 'wpinv_last_invoice_number', $number + 1 );
-    return wpinv_get_next_invoice_number( $type );
+    update_option('wpinv_last_invoice_number', $number + 1);
+    return wpinv_get_next_invoice_number($type);
 
 }
 
 /**
  * The prefix used for invoice paths.
  */
-function wpinv_post_name_prefix( $post_type = 'wpi_invoice' ) {
-    return apply_filters( 'wpinv_post_name_prefix', 'inv-', $post_type );
+function wpinv_post_name_prefix($post_type = 'wpi_invoice') {
+    return apply_filters('wpinv_post_name_prefix', 'inv-', $post_type);
 }
 
-function wpinv_generate_post_name( $post_ID ) {
-    $prefix = wpinv_post_name_prefix( get_post_type( $post_ID ) );
-    $post_name = sanitize_title( $prefix . $post_ID );
+function wpinv_generate_post_name($post_ID) {
+    $prefix = wpinv_post_name_prefix(get_post_type($post_ID));
+    $post_name = sanitize_title($prefix . $post_ID);
 
-    return apply_filters( 'wpinv_generate_post_name', $post_name, $post_ID, $prefix );
+    return apply_filters('wpinv_generate_post_name', $post_name, $post_ID, $prefix);
 }
 
 /**
@@ -790,8 +790,8 @@ 
  * 
  * @param int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object.
  */
-function wpinv_is_invoice_viewed( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function wpinv_is_invoice_viewed($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
     return (bool) $invoice->get_is_viewed();
 }
 
@@ -800,17 +800,17 @@ 
  * 
  * @param int|string|object|WPInv_Invoice|WPInv_Legacy_Invoice|WP_Post $invoice Invoice id, key, transaction id, number or object.
  */
-function getpaid_maybe_mark_invoice_as_viewed( $invoice ) {
-    $invoice = new WPInv_Invoice( $invoice );
+function getpaid_maybe_mark_invoice_as_viewed($invoice) {
+    $invoice = new WPInv_Invoice($invoice);
 
-    if ( get_current_user_id() == $invoice->get_user_id() && ! $invoice->get_is_viewed() ) {
-        $invoice->set_is_viewed( true );
+    if (get_current_user_id() == $invoice->get_user_id() && !$invoice->get_is_viewed()) {
+        $invoice->set_is_viewed(true);
         $invoice->save();
     }
 
 }
-add_action( 'wpinv_invoice_print_before_display', 'getpaid_maybe_mark_invoice_as_viewed' );
-add_action( 'wpinv_before_receipt', 'getpaid_maybe_mark_invoice_as_viewed' );
+add_action('wpinv_invoice_print_before_display', 'getpaid_maybe_mark_invoice_as_viewed');
+add_action('wpinv_before_receipt', 'getpaid_maybe_mark_invoice_as_viewed');
 
 /**
  * Processes an invoice refund.
@@ -819,27 +819,27 @@ 
  * @param array $status_transition
  * @todo: descrease customer/store earnings
  */
-function getpaid_maybe_process_refund( $invoice, $status_transition ) {
+function getpaid_maybe_process_refund($invoice, $status_transition) {
 
-    if ( empty( $status_transition['from'] ) || ! in_array( $status_transition['from'], array( 'publish', 'wpi-processing', 'wpi-renewal' ) ) ) {
+    if (empty($status_transition['from']) || !in_array($status_transition['from'], array('publish', 'wpi-processing', 'wpi-renewal'))) {
         return;
     }
 
     $discount_code = $invoice->get_discount_code();
-    if ( ! empty( $discount_code ) ) {
-        $discount = wpinv_get_discount_obj( $discount_code );
+    if (!empty($discount_code)) {
+        $discount = wpinv_get_discount_obj($discount_code);
 
-        if ( $discount->exists() ) {
+        if ($discount->exists()) {
             $discount->increase_usage( -1 );
         }
 
     }
 
-    do_action( 'wpinv_pre_refund_invoice', $invoice, $invoice->get_id() );
-    do_action( 'wpinv_refund_invoice', $invoice, $invoice->get_id() );
-    do_action( 'wpinv_post_refund_invoice', $invoice, $invoice->get_id() );
+    do_action('wpinv_pre_refund_invoice', $invoice, $invoice->get_id());
+    do_action('wpinv_refund_invoice', $invoice, $invoice->get_id());
+    do_action('wpinv_post_refund_invoice', $invoice, $invoice->get_id());
 }
-add_action( 'getpaid_invoice_status_wpi-refunded', 'getpaid_maybe_process_refund', 10, 2 );
+add_action('getpaid_invoice_status_wpi-refunded', 'getpaid_maybe_process_refund', 10, 2);
 
 
 /**
@@ -847,48 +847,48 @@ 
  *
  * @param int $invoice_id
  */
-function getpaid_process_invoice_payment( $invoice_id ) {
+function getpaid_process_invoice_payment($invoice_id) {
 
     // Fetch the invoice.
-    $invoice = new WPInv_Invoice( $invoice_id );
+    $invoice = new WPInv_Invoice($invoice_id);
 
     // We only want to do this once.
-    if ( 1 ==  get_post_meta( $invoice->get_id(), 'wpinv_processed_payment', true ) ) {
+    if (1 == get_post_meta($invoice->get_id(), 'wpinv_processed_payment', true)) {
         return;
     }
 
-    update_post_meta( $invoice->get_id(), 'wpinv_processed_payment', 1 );
+    update_post_meta($invoice->get_id(), 'wpinv_processed_payment', 1);
 
     // Fires when processing a payment.
-    do_action( 'getpaid_process_payment', $invoice );
+    do_action('getpaid_process_payment', $invoice);
 
     // Fire an action for each invoice item.
-    foreach( $invoice->get_items() as $item ) {
-        do_action( 'getpaid_process_item_payment', $item, $invoice );
+    foreach ($invoice->get_items() as $item) {
+        do_action('getpaid_process_item_payment', $item, $invoice);
     }
 
     // Increase discount usage.
     $discount_code = $invoice->get_discount_code();
-    if ( ! empty( $discount_code ) && ! $invoice->is_renewal() ) {
-        $discount = wpinv_get_discount_obj( $discount_code );
+    if (!empty($discount_code) && !$invoice->is_renewal()) {
+        $discount = wpinv_get_discount_obj($discount_code);
 
-        if ( $discount->exists() ) {
+        if ($discount->exists()) {
             $discount->increase_usage();
         }
 
     }
 
     // Record reverse vat.
-    if ( 'invoice' == $invoice->get_type() && wpinv_use_taxes() && ! $invoice->get_disable_taxes() ) {
+    if ('invoice' == $invoice->get_type() && wpinv_use_taxes() && !$invoice->get_disable_taxes()) {
 
-        if ( wpinv_same_country_exempt_vat() && wpinv_is_base_country( $invoice->get_country() ) ) {
-            $invoice->add_note( __( 'VAT was reverse charged', 'invoicing' ), false, false, true );
+        if (wpinv_same_country_exempt_vat() && wpinv_is_base_country($invoice->get_country())) {
+            $invoice->add_note(__('VAT was reverse charged', 'invoicing'), false, false, true);
         }
 
     }
 
 }
-add_action( 'getpaid_invoice_payment_status_changed', 'getpaid_process_invoice_payment' );
+add_action('getpaid_invoice_payment_status_changed', 'getpaid_process_invoice_payment');
 
 /**
  * Returns an array of invoice item columns
@@ -896,13 +896,13 @@ 
  * @param int|WPInv_Invoice $invoice
  * @return array
  */
-function getpaid_invoice_item_columns( $invoice ) {
+function getpaid_invoice_item_columns($invoice) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return array();
     }
 
@@ -910,47 +910,47 @@ 
     $columns = apply_filters(
         'getpaid_invoice_item_columns',
         array(
-            'name'     => __( 'Item', 'invoicing' ),
-            'price'    => __( 'Price', 'invoicing' ),
-            'quantity' => __( 'Quantity', 'invoicing' ),
-            'subtotal' => __( 'Subtotal', 'invoicing' ),
+            'name'     => __('Item', 'invoicing'),
+            'price'    => __('Price', 'invoicing'),
+            'quantity' => __('Quantity', 'invoicing'),
+            'subtotal' => __('Subtotal', 'invoicing'),
         ),
         $invoice
     );
 
     // Quantities.
-    if ( isset( $columns[ 'quantity' ] ) ) {
+    if (isset($columns['quantity'])) {
 
-        if ( 'hours' == $invoice->get_template() ) {
-            $columns[ 'quantity' ] = __( 'Hours', 'invoicing' );
+        if ('hours' == $invoice->get_template()) {
+            $columns['quantity'] = __('Hours', 'invoicing');
         }
 
-        if ( ! wpinv_item_quantities_enabled() || 'amount' == $invoice->get_template() ) {
-            unset( $columns[ 'quantity' ] );
+        if (!wpinv_item_quantities_enabled() || 'amount' == $invoice->get_template()) {
+            unset($columns['quantity']);
         }
 
     }
 
 
     // Price.
-    if ( isset( $columns[ 'price' ] ) ) {
+    if (isset($columns['price'])) {
 
-        if ( 'amount' == $invoice->get_template() ) {
-            $columns[ 'price' ] = __( 'Amount', 'invoicing' );
+        if ('amount' == $invoice->get_template()) {
+            $columns['price'] = __('Amount', 'invoicing');
         }
 
-        if ( 'hours' == $invoice->get_template() ) {
-            $columns[ 'price' ] = __( 'Rate', 'invoicing' );
+        if ('hours' == $invoice->get_template()) {
+            $columns['price'] = __('Rate', 'invoicing');
         }
 
     }
 
 
     // Sub total.
-    if ( isset( $columns[ 'subtotal' ] ) ) {
+    if (isset($columns['subtotal'])) {
 
-        if ( 'amount' == $invoice->get_template() ) {
-            unset( $columns[ 'subtotal' ] );
+        if ('amount' == $invoice->get_template()) {
+            unset($columns['subtotal']);
         }
 
     }
@@ -964,30 +964,30 @@ 
  * @param int|WPInv_Invoice $invoice
  * @return array
  */
-function getpaid_invoice_totals_rows( $invoice ) {
+function getpaid_invoice_totals_rows($invoice) {
 
     // Prepare the invoice.
-    $invoice = new WPInv_Invoice( $invoice );
+    $invoice = new WPInv_Invoice($invoice);
 
     // Abort if there is no invoice.
-    if ( 0 == $invoice->get_id() ) {
+    if (0 == $invoice->get_id()) {
         return array();
     }
 
     $totals = apply_filters(
         'getpaid_invoice_totals_rows',
         array(
-            'subtotal' => __( 'Subtotal', 'invoicing' ),
-            'tax'      => __( 'Tax', 'invoicing' ),
-            'fee'      => __( 'Fee', 'invoicing' ),
-            'discount' => __( 'Discount', 'invoicing' ),
-            'total'    => __( 'Total', 'invoicing' ),
+            'subtotal' => __('Subtotal', 'invoicing'),
+            'tax'      => __('Tax', 'invoicing'),
+            'fee'      => __('Fee', 'invoicing'),
+            'discount' => __('Discount', 'invoicing'),
+            'total'    => __('Total', 'invoicing'),
         ),
         $invoice
     );
 
-    if ( ( $invoice->get_disable_taxes() || ! wpinv_use_taxes() ) && isset( $totals['tax'] ) ) {
-        unset( $totals['tax'] );
+    if (($invoice->get_disable_taxes() || !wpinv_use_taxes()) && isset($totals['tax'])) {
+        unset($totals['tax']);
     }
 
     return $totals;
@@ -998,47 +998,47 @@ 
  * 
  * @param WPInv_Invoice $invoice
  */
-function getpaid_new_invoice( $invoice ) {
+function getpaid_new_invoice($invoice) {
 
-    if ( ! $invoice->get_status() ) {
+    if (!$invoice->get_status()) {
         return;
     }
 
     // Add an invoice created note.
     $invoice->add_note(
         sprintf(
-            __( '%s created with the status "%s".', 'invoicing' ),
-            ucfirst( $invoice->get_type() ),
-            wpinv_status_nicename( $invoice->get_status(), $invoice  )
+            __('%s created with the status "%s".', 'invoicing'),
+            ucfirst($invoice->get_type()),
+            wpinv_status_nicename($invoice->get_status(), $invoice)
         )
     );
 
 }
-add_action( 'getpaid_new_invoice', 'getpaid_new_invoice' );
+add_action('getpaid_new_invoice', 'getpaid_new_invoice');
 
 /**
  * This function updates invoice caches.
  * 
  * @param WPInv_Invoice $invoice
  */
-function getpaid_update_invoice_caches( $invoice ) {
+function getpaid_update_invoice_caches($invoice) {
 
     // Cache invoice number.
-    wp_cache_set( $invoice->get_number(), $invoice->get_id(), "getpaid_invoice_numbers_to_invoice_ids" );
+    wp_cache_set($invoice->get_number(), $invoice->get_id(), "getpaid_invoice_numbers_to_invoice_ids");
 
     // Cache invoice key.
-    wp_cache_set( $invoice->get_key(), $invoice->get_id(), "getpaid_invoice_keys_to_invoice_ids" );
+    wp_cache_set($invoice->get_key(), $invoice->get_id(), "getpaid_invoice_keys_to_invoice_ids");
 
     // (Maybe) cache transaction id.
     $transaction_id = $invoice->get_transaction_id();
 
-    if ( ! empty( $transaction_id ) ) {
-        wp_cache_set( $transaction_id, $invoice->get_id(), "getpaid_invoice_transaction_ids_to_invoice_ids" );
+    if (!empty($transaction_id)) {
+        wp_cache_set($transaction_id, $invoice->get_id(), "getpaid_invoice_transaction_ids_to_invoice_ids");
     }
 
 }
-add_action( 'getpaid_new_invoice', 'getpaid_update_invoice_caches', 5 );
-add_action( 'getpaid_update_invoice', 'getpaid_update_invoice_caches', 5 );
+add_action('getpaid_new_invoice', 'getpaid_update_invoice_caches', 5);
+add_action('getpaid_update_invoice', 'getpaid_update_invoice_caches', 5);
 
 /**
  * Duplicates an invoice.
@@ -1048,7 +1048,7 @@ 
  * @param  WPInv_Invoice $old_invoice The invoice to duplicate
  * @return WPInv_Invoice The new invoice.
  */
-function getpaid_duplicate_invoice( $old_invoice ) {
+function getpaid_duplicate_invoice($old_invoice) {
 
     // Create the new invoice.
     $invoice = new WPInv_Invoice();
@@ -1109,123 +1109,123 @@ 
  * @param WPInv_Invoice $invoice
  * @return array
  */
-function getpaid_get_invoice_meta( $invoice ) {
+function getpaid_get_invoice_meta($invoice) {
 
     // Load the invoice meta.
     $meta = array(
 
         'number' => array(
             'label' => sprintf(
-                __( '%s Number', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Number', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
-            'value' => sanitize_text_field( $invoice->get_number() ),
+            'value' => sanitize_text_field($invoice->get_number()),
         ),
 
         'status' => array(
             'label' => sprintf(
-                __( '%s Status', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Status', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
             'value' => $invoice->get_status_label_html(),
         ),
 
         'date' => array(
             'label' => sprintf(
-                __( '%s Date', 'invoicing' ),
-                ucfirst( $invoice->get_type() )
+                __('%s Date', 'invoicing'),
+                ucfirst($invoice->get_type())
             ),
-            'value' => getpaid_format_date( $invoice->get_created_date() ),
+            'value' => getpaid_format_date($invoice->get_created_date()),
         ),
 
         'date_paid' => array(
-            'label' => __( 'Paid On', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_completed_date() ),
+            'label' => __('Paid On', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_completed_date()),
         ),
 
         'gateway'   => array(
-            'label' => __( 'Payment Method', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_gateway_title() ),
+            'label' => __('Payment Method', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_gateway_title()),
         ),
 
         'transaction_id' => array(
-            'label' => __( 'Transaction ID', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_transaction_id() ),
+            'label' => __('Transaction ID', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_transaction_id()),
         ),
 
         'due_date'  => array(
-            'label' => __( 'Due Date', 'invoicing' ),
-            'value' => getpaid_format_date( $invoice->get_due_date() ),
+            'label' => __('Due Date', 'invoicing'),
+            'value' => getpaid_format_date($invoice->get_due_date()),
         ),
 
         'vat_number' => array(
-            'label' => __( 'VAT Number', 'invoicing' ),
-            'value' => sanitize_text_field( $invoice->get_vat_number() ),
+            'label' => __('VAT Number', 'invoicing'),
+            'value' => sanitize_text_field($invoice->get_vat_number()),
         ),
 
     );
 
     // If it is not paid, remove the date of payment.
-    if ( ! $invoice->is_paid() ) {
-        unset( $meta[ 'date_paid' ] );
-        unset( $meta[ 'transaction_id' ] );
+    if (!$invoice->is_paid()) {
+        unset($meta['date_paid']);
+        unset($meta['transaction_id']);
     }
 
-    if ( ! $invoice->is_paid() || 'none' == $invoice->get_gateway() ) {
-        unset( $meta[ 'gateway' ] );
+    if (!$invoice->is_paid() || 'none' == $invoice->get_gateway()) {
+        unset($meta['gateway']);
     }
 
     // Only display the due date if due dates are enabled.
-    if ( ! $invoice->needs_payment() || ! wpinv_get_option( 'overdue_active' ) ) {
-        unset( $meta[ 'due_date' ] );
+    if (!$invoice->needs_payment() || !wpinv_get_option('overdue_active')) {
+        unset($meta['due_date']);
     }
 
     // Only display the vat number if taxes are enabled.
-    if ( ! wpinv_use_taxes() ) {
-        unset( $meta[ 'vat_number' ] );
+    if (!wpinv_use_taxes()) {
+        unset($meta['vat_number']);
     }
 
-    if ( $invoice->is_recurring() ) {
+    if ($invoice->is_recurring()) {
 
         // Link to the parent invoice.
-        if ( $invoice->is_renewal() ) {
+        if ($invoice->is_renewal()) {
 
-            $meta[ 'parent' ] = array(
+            $meta['parent'] = array(
 
                 'label' => sprintf(
-                    __( 'Parent %s', 'invoicing' ),
-                    ucfirst( $invoice->get_type() )
+                    __('Parent %s', 'invoicing'),
+                    ucfirst($invoice->get_type())
                 ),
 
-                'value' => wpinv_invoice_link( $invoice->get_parent_id() ),
+                'value' => wpinv_invoice_link($invoice->get_parent_id()),
 
             );
 
         }
 
-        $subscription = wpinv_get_subscription( $invoice );
+        $subscription = wpinv_get_subscription($invoice);
 
-        if ( ! empty ( $subscription ) ) {
+        if (!empty ($subscription)) {
 
             // Display the renewal date.
-            if ( $subscription->is_active() && 'cancelled' != $subscription->get_status() ) {
+            if ($subscription->is_active() && 'cancelled' != $subscription->get_status()) {
 
-                $meta[ 'renewal_date' ] = array(
+                $meta['renewal_date'] = array(
 
-                    'label' => __( 'Renews On', 'invoicing' ),
-                    'value' => getpaid_format_date( $subscription->get_expiration() ),
+                    'label' => __('Renews On', 'invoicing'),
+                    'value' => getpaid_format_date($subscription->get_expiration()),
         
                 );
 
             }
 
-            if ( $invoice->is_parent() ) {
+            if ($invoice->is_parent()) {
 
                 // Display the recurring amount.
-                $meta[ 'recurring_total' ] = array(
+                $meta['recurring_total'] = array(
 
-                    'label' => __( 'Recurring Amount', 'invoicing' ),
-                    'value' => wpinv_price( wpinv_format_amount( $subscription->get_recurring_amount() ), $invoice->get_currency() ),
+                    'label' => __('Recurring Amount', 'invoicing'),
+                    'value' => wpinv_price(wpinv_format_amount($subscription->get_recurring_amount()), $invoice->get_currency()),
         
                 );
 
@@ -1235,15 +1235,15 @@ 
     }
 
     // Add the invoice total to the meta.
-    $meta[ 'invoice_total' ] = array(
+    $meta['invoice_total'] = array(
 
-        'label' => __( 'Total Amount', 'invoicing' ),
-        'value' => wpinv_price( wpinv_format_amount( $invoice->get_total() ), $invoice->get_currency() ),
+        'label' => __('Total Amount', 'invoicing'),
+        'value' => wpinv_price(wpinv_format_amount($invoice->get_total()), $invoice->get_currency()),
 
     );
 
     // Provide a way for third party plugins to filter the meta.
-    $meta = apply_filters( 'getpaid_invoice_meta_data', $meta, $invoice );
+    $meta = apply_filters('getpaid_invoice_meta_data', $meta, $invoice);
 
     return $meta;