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<?php |
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/** |
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* @version 1.1 |
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* @package General Emails API |
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* @category General Emails API Fields for Settings page and Functions for Sending emails. |
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* @author wpdevelop |
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* |
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* @web-site https://wpbookingcalendar.com/ |
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* @email info@wpbookingcalendar.com |
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* @modified 2016-05-12, 2015-10-06 |
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*/ |
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|
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
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|
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// Email Settings API - Saving different options |
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abstract class WPBC_Emails_API extends WPBC_Settings_API { |
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|
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public $sending; |
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public $replace = array(); |
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|
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|
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|
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/** |
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* Email Settings API Constructor |
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* During creation, system try to load values from DB, if exist. |
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* |
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* @param type $id - "Pure Email Template name |
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*/ |
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public function __construct( $id, $init_fields_values = array()) { |
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|
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$options = array( |
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'db_prefix_option' => 'booking_email_' |
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, 'db_saving_type' => 'togather' // { 'togather' (Default), 'separate', 'separate_prefix' } |
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); |
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// Email template saved as: |
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// ( "booking_email_" . $id ) >>> "booking_email_new_admin" |
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|
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parent::__construct( $id, $options, $init_fields_values ); // Define ID of Setting page and options |
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|
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add_filter( 'phpmailer_init', array( $this, 'process_multipart' ) ); // For multipart messages |
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|
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add_action( 'wp_mail_failed', array($this, 'email_error_parse') ); // Parse any errors during sending emails. |
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} |
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|
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|
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|
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/** |
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* This function must be overriden - Initialise Settings Form Fields |
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|
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public function init_settings_fields() { |
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|
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$this->fields = array(); |
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|
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$this->fields['enabled'] = array( |
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'type' => 'checkbox' |
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, 'default' => 'On' |
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, 'title' => __('Enable / Disable', 'booking') |
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, 'label' => __('Enable this email notification', 'booking') |
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, 'description' => '' |
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, 'group' => 'general' |
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|
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); |
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// ... |
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} |
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/**/ |
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|
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|
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|
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// <editor-fold defaultstate="collapsed" desc=" Suport functions " > |
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|
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/** |
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* List of preg* regular expression patterns to search for replace in plain emails. |
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* More: https://raw.github.com/ushahidi/wp-silcc/master/class.html2text.inc |
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*/ |
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private function get_plain_search_array() { |
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return array( |
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"/\r/", // Non-legal carriage return |
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'/&(nbsp|#160);/i', // Non-breaking space |
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'/&(quot|rdquo|ldquo|#8220|#8221|#147|#148);/i', // Double quotes |
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'/&(apos|rsquo|lsquo|#8216|#8217);/i', // Single quotes |
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'/>/i', // Greater-than |
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'/</i', // Less-than |
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'/&/i', // Ampersand |
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'/&/i', // Ampersand |
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'/&/i', // Ampersand |
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'/&(copy|#169);/i', // Copyright |
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'/&(trade|#8482|#153);/i', // Trademark |
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'/&(reg|#174);/i', // Registered |
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'/&(mdash|#151|#8212);/i', // mdash |
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'/&(ndash|minus|#8211|#8722);/i', // ndash |
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'/&(bull|#149|#8226);/i', // Bullet |
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'/&(pound|#163);/i', // Pound sign |
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'/&(euro|#8364);/i', // Euro sign |
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'/$/', // Dollar sign |
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'/&[^&;]+;/i', // Unknown/unhandled entities |
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'/[ ]{2,}/' // Runs of spaces, post-handling |
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); |
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|
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} |
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|
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|
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/** List of symbols "for Replace To" */ |
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private function get_plain_replace_array() { |
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|
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return array( |
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'', // Non-legal carriage return |
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' ', // Non-breaking space |
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'"', // Double quotes |
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"'", // Single quotes |
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'>', // Greater-than |
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'<', // Less-than |
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'&', // Ampersand |
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'&', // Ampersand |
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'&', // Ampersand |
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'(c)', // Copyright |
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'(tm)', // Trademark |
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'(R)', // Registered |
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'--', // mdash |
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'-', // ndash |
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'*', // Bullet |
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'£', // Pound sign |
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'EUR', // Euro sign. € ? |
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'$', // Dollar sign |
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'', // Unknown/unhandled entities |
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' ' // Runs of spaces, post-handling |
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); |
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} |
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|
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|
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/** |
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* Esacpe and replace any HTML entities |
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* |
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* @param type $string |
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* @return string |
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*/ |
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public function esc_to_plain_text( $string ) { |
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|
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// //Replace <a href="http://server.com">Link</a> to Link( http://server.com ) |
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// $pattern = "/<a(.*)+href=[\"|']+([^\"']+)(?=(\"|'))[^>]*>(.*)<\/a>/" ; //"/(?<=href=(\"|'))[^\"']+(?=(\"|'))/i"; |
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// $newurl = "$4 ($2)"; |
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// $string = preg_replace($pattern,$newurl,$string); |
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|
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$newstring = preg_replace( $this->get_plain_search_array(), $this->get_plain_replace_array(), wp_strip_all_tags( $string ) ); |
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return $newstring; |
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} |
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|
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|
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/** |
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* Set array for replacing shortcodes in Email Content and Subject |
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* |
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* @param array $replace - if this parameter skipped, then array reseted to empty array |
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*/ |
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function set_replace( $replace = array() ) { |
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$this->replace = $replace; |
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} |
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|
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|
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/** |
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* Replace shortcodes in givven string. Usually its Email Content and Subject |
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* |
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* @param string $subject |
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*/ |
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public function replace_shortcodes( $subject ) { |
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|
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$defaults = array( |
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'ip' => wpbc_get_user_ip() |
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, 'blogname' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ) |
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, 'siteurl' => get_site_url() |
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); |
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|
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$replace = wp_parse_args( $this->replace, $defaults ); |
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|
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foreach ( $replace as $replace_shortcode => $replace_value ) { |
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|
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// FixIn: 8.9.3.2. |
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if ( is_null( $replace_value ) ) { |
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$replace_value = ''; |
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}; |
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|
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$subject = str_replace( array( '[' . $replace_shortcode . ']' |
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, '{' . $replace_shortcode . '}' ) |
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, $replace_value |
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, $subject ); |
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|
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} |
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|
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return $subject; |
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} |
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|
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// </editor-fold> |
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|
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|
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// <editor-fold defaultstate="collapsed" desc=" Pure Email functions " > |
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|
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/** |
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* For MultiPart email define plain text - AltBody |
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* |
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* Also additionaly fix Sender - its have to be same as From |
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* |
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* @param PHPMailer $mailer |
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* @return PHPMailer |
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*/ |
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public function process_multipart( $mailer ) { |
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|
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//if ( $this->sending && $this->get_email_content_type() == 'multipart' ) { |
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if ( $this->sending ) { |
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|
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if ( $this->get_email_content_type() == 'multipart' ) |
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$mailer->AltBody = wordwrap( $this->esc_to_plain_text( $this->replace_shortcodes( $this->get_content_plain() ) ) ); |
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|
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$mailer->Sender = $mailer->From; |
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|
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//$this->sending = false; // If we set it to false, then we can not trigger for any Mail errors in this CLASS |
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} |
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|
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return $mailer; |
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} |
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|
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|
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/** |
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* Get type of Email: 'plain' | 'html' | 'multipart' |
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* |
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* @return string |
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*/ |
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public function get_email_content_type() { |
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|
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return $this->fields_values['email_content_type'] && class_exists( 'DOMDocument' ) ? $this->fields_values['email_content_type'] : 'plain'; |
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} |
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|
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|
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/** |
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* Get Email Content Type: 'text/plain' | 'text/html' | 'multipart/alternative' |
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* |
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* @return string |
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*/ |
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public function get_content_type() { |
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|
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switch ( $this->get_email_content_type() ) { |
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case 'html' : |
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return 'text/html'; |
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case 'multipart' : |
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return 'multipart/alternative'; |
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default : |
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return 'text/plain'; |
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} |
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} |
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|
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|
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/** |
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* Define Email Headers. For exmaple: "Conte type:" 'text/plain' | 'text/html' | 'multipart/alternative' or "From": Name <email@server.com> |
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* |
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* @return string |
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*/ |
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public function get_headers( $additional_params = array() ) { |
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|
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$mail_headers = ''; |
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|
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$from_address = $this->get_from__email_address(); |
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|
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if ( ! empty( $from_address ) ) { |
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$mail_headers .= 'From: ' . $this->get_from__name() . ' <' . $from_address . '> ' . "\r\n" ; |
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} else { |
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/* If we don't have an email from the input headers default to wordpress@$sitename |
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* Some hosts will block outgoing mail from this address if it doesn't exist but |
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* there's no easy alternative. Defaulting to admin_email might appear to be another |
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* option but some hosts may refuse to relay mail from an unknown domain. See |
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* https://core.trac.wordpress.org/ticket/5007. |
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*/ |
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} |
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|
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$mail_headers .= 'Content-Type: ' . $this->get_content_type() . "\r\n" ; |
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|
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$mail_headers = apply_filters( 'wpbc_email_api_get_headers_after', $mail_headers, $this->id, $this->fields_values , $this->replace, $additional_params ); |
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|
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return $mail_headers; |
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} |
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|
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|
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/** |
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* Get Content of Email |
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* |
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* @return string |
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*/ |
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public function get_content() { |
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|
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if ( $this->get_email_content_type() == 'plain' ) { |
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$email_content = $this->esc_to_plain_text( $this->replace_shortcodes( $this->get_content_plain() ) ); |
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} else { |
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$email_content = $this->replace_shortcodes( $this->get_content_html() ); |
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} |
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|
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$email_content = apply_filters( 'wpbc_email_api_get_content_after' , $email_content, $this->id, $this->get_email_content_type() ); |
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|
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// Remove all shortcodes, which is not replaced early. |
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$email_content = preg_replace ('/[\[\{][a-zA-Z0-9.,_-]{0,}[\]\}]/', '', $email_content); |
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|
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return wordwrap( $email_content, 100 ); |
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} |
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|
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|
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/** |
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* Get Email Content as Text (from Plain Text template) |
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* |
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* @return string |
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*/ |
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function get_content_plain() { |
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|
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//require_once( dirname(__FILE__) . '/emails_tpl/standard-text-tpl.php' ); |
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//require_once( dirname(__FILE__) . '/emails_tpl/plain-text-tpl.php' ); |
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if ( isset( $this->fields_values['template_file'] ) ) { |
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$email_tpl_name = $this->fields_values['template_file']; |
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} else { |
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$email_tpl_name = 'plain'; |
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} |
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|
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if ( file_exists( dirname(__FILE__) . '/emails_tpl/'. $email_tpl_name .'-text-tpl.php' ) ) |
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require_once( dirname(__FILE__) . '/emails_tpl/'. $email_tpl_name .'-text-tpl.php' ); |
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else |
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require_once( dirname(__FILE__) . '/emails_tpl/plain-text-tpl.php' ); |
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|
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$fields_values = $this->fields_values; |
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|
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$fields_values = apply_filters( 'wpbc_email_api_get_content_before' , $fields_values, $this->id , 'plain' ); //Ability to parse 'content', 'header_content', 'footer_content' for different languges, etc .... |
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|
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if ( function_exists( 'wpbc_email_template_' . $email_tpl_name . '_text' ) ) |
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$plain_email = call_user_func_array( 'wpbc_email_template_' . $email_tpl_name . '_text' , array( $fields_values ) ); |
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else |
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$plain_email = wpbc_email_template_text( $fields_values ); |
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|
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// Replace <p> | <br> to \n |
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$plain_email = preg_replace( '/<(br|p)[\t\s]*[\/]?>/i', "\n", $plain_email ); |
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// $plain_email = str_replace( array('<br/>', '<br>'), "\n", $plain_email ); |
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|
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return $plain_email; |
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} |
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|
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|
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/** |
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* Get Email Content as HTML (from HTML template) |
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* |
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* @return type |
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*/ |
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function get_content_html() { |
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|
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// Load specific Email Template: /////////////////////////////////// |
| 346 |
if ( isset( $this->fields_values['template_file'] ) ) { |
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$email_tpl_name = $this->fields_values['template_file']; |
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} else { |
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$email_tpl_name = 'plain'; |
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} |
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//require_once( dirname(__FILE__) . '/emails_tpl/standard-html-tpl.php' ); |
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//require_once( dirname(__FILE__) . '/emails_tpl/plain-html-tpl.php' ); |
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|
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if ( file_exists( dirname(__FILE__) . '/emails_tpl/'. $email_tpl_name .'-html-tpl.php' ) ) |
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require_once( dirname(__FILE__) . '/emails_tpl/'. $email_tpl_name .'-html-tpl.php' ); |
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else |
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require_once( dirname(__FILE__) . '/emails_tpl/plain-html-tpl.php' ); |
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//////////////////////////////////////////////////////////////////// |
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|
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$fields_values = $this->fields_values; |
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|
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$fields_values = apply_filters( 'wpbc_email_api_get_content_before' , $fields_values, $this->id , 'html' ); //Ability to parse 'content', 'header_content', 'footer_content' for different languges, etc .... |
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|
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if ( function_exists( 'wpbc_email_template_' . $email_tpl_name . '_html' ) ) |
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$html_email = call_user_func_array( 'wpbc_email_template_' . $email_tpl_name . '_html' , array( $fields_values ) ); |
| 366 |
else |
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$html_email = wpbc_email_template_html( $fields_values ); |
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|
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return $html_email; |
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} |
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|
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|
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/** |
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* Get escaped Email Subject |
| 375 |
* |
| 376 |
* @return string |
| 377 |
*/ |
| 378 |
public function get_subject() { |
| 379 |
|
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$subject = $this->fields_values['subject']; |
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|
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$subject = apply_filters( 'wpbc_email_api_get_subject_before' , $subject, $this->id ); |
| 383 |
|
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$subject = $this->esc_to_plain_text( $this->replace_shortcodes( $subject ) ); |
| 385 |
|
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$subject = apply_filters( 'wpbc_email_api_get_subject_after' , $subject, $this->id ); |
| 387 |
|
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return $subject; |
| 389 |
} |
| 390 |
|
| 391 |
|
| 392 |
/** |
| 393 |
* Get escapeed Name from any not supporting characters |
| 394 |
* |
| 395 |
* @return string |
| 396 |
*/ |
| 397 |
public function get_from__name() { |
| 398 |
return wp_specialchars_decode( esc_html( stripslashes( $this->fields_values['from_name'] ) ), ENT_QUOTES ); |
| 399 |
} |
| 400 |
|
| 401 |
|
| 402 |
/** |
| 403 |
* Get sanitized Email address |
| 404 |
* |
| 405 |
* @return type |
| 406 |
*/ |
| 407 |
public function get_from__email_address() { |
| 408 |
return sanitize_email( $this->fields_values['from'] ); |
| 409 |
} |
| 410 |
|
| 411 |
|
| 412 |
/** |
| 413 |
* For future support, right now does not support |
| 414 |
* |
| 415 |
* @return empty string |
| 416 |
*/ |
| 417 |
public function get_attachments() { |
| 418 |
return ''; |
| 419 |
} |
| 420 |
|
| 421 |
|
| 422 |
/** |
| 423 |
* Check email and format it |
| 424 |
* |
| 425 |
* @param string $emails |
| 426 |
* @return string |
| 427 |
*/ |
| 428 |
public function validate_emails( $emails ) { |
| 429 |
|
| 430 |
$emails = str_replace( ';', ',', $emails ); |
| 431 |
|
| 432 |
if ( ! is_array( $emails ) ) { |
| 433 |
$emails = explode( ',', $emails ); |
| 434 |
} |
| 435 |
|
| 436 |
$emails_list = array(); |
| 437 |
foreach ( (array) $emails as $recipient ) { |
| 438 |
|
| 439 |
// Break $recipient into name and address parts if in the format "Foo <bar@baz.com>". |
| 440 |
$recipient_name = ''; |
| 441 |
if ( preg_match( '/(.*)<(.+)>/', $recipient, $matches ) ) { |
| 442 |
if ( count( $matches ) == 3 ) { |
| 443 |
$recipient_name = $matches[1]; |
| 444 |
$recipient = $matches[2]; |
| 445 |
} |
| 446 |
} else { |
| 447 |
// Check about correct format of email. |
| 448 |
if ( preg_match( '/([\w\.\-_]+)?\w+@[\w\-_]+(\.\w+){1,}/im', $recipient, $matches ) ) { // FixIn: 8.7.7.2. |
| 449 |
$recipient = $matches[0]; |
| 450 |
} |
| 451 |
} |
| 452 |
|
| 453 |
$recipient_name = trim( wp_specialchars_decode( esc_html( stripslashes( $recipient_name ) ), ENT_QUOTES ) ); |
| 454 |
// FixIn: 10.15.5.1. |
| 455 |
//$emails_list[] = ( empty( $recipient_name ) ? '' : $recipient_name . ' ' ) . '<' . sanitize_email( $recipient ) . '>'; |
| 456 |
$sanitized_email_address = sanitize_email( $recipient ); |
| 457 |
if ( ! empty( $sanitized_email_address ) ) { |
| 458 |
$emails_list[] = '<' . sanitize_email( $recipient ) . '>'; |
| 459 |
} |
| 460 |
|
| 461 |
} |
| 462 |
|
| 463 |
$emails_list = implode( ',', $emails_list ); |
| 464 |
|
| 465 |
return $emails_list; |
| 466 |
} |
| 467 |
|
| 468 |
|
| 469 |
/** |
| 470 |
* Make Email Sending by using wp_mail standard function. |
| 471 |
* |
| 472 |
* @param string $to - Email |
| 473 |
* @param array $replace - accociated array of values to replace in email Body and Subject. Exmaple: array( 'name' => 'Jo', 'secondname' => 'Smith' ) |
| 474 |
* |
| 475 |
* @return boolean Sent or Failed to send. |
| 476 |
*/ |
| 477 |
public function send( $to = '', $replace = array() ) { |
| 478 |
|
| 479 |
$return = false; |
| 480 |
|
| 481 |
// if ( empty( $to ) ) { return $return; } //. |
| 482 |
|
| 483 |
$this->sending = true; |
| 484 |
|
| 485 |
$this->set_replace( $replace ); |
| 486 |
|
| 487 |
$to = $this->validate_emails( $to ); |
| 488 |
|
| 489 |
$subject = $this->get_subject(); |
| 490 |
$message = $this->get_content(); |
| 491 |
$headers = $this->get_headers(); |
| 492 |
$attachments = $this->get_attachments(); |
| 493 |
// FixIn: 10.15.5.2. |
| 494 |
$attachments = apply_filters( 'wpbc_email_attachments', $attachments, $this->id, $replace ); |
| 495 |
|
| 496 |
$is_send_email = true; |
| 497 |
|
| 498 |
$is_send_email = apply_filters( 'wpbc_email_api_is_allow_send', $is_send_email, $this->id, $this->fields_values ); |
| 499 |
|
| 500 |
if ( $is_send_email ) { |
| 501 |
$to = apply_filters( 'wpbc_email_api_send_field_to', $to ); // FixIn: 8.1.3.1. |
| 502 |
// FixIn: 8.5.2.22. |
| 503 |
if ( ! empty( $to ) ) { |
| 504 |
$return = wp_mail( $to, $subject, $message, $headers, $attachments ); |
| 505 |
} |
| 506 |
} |
| 507 |
|
| 508 |
$this->sending = false; |
| 509 |
|
| 510 |
// Send Copy to admin email. |
| 511 |
if ( |
| 512 |
( isset( $this->fields_values['copy_to_admin'] ) ) |
| 513 |
&& ( $this->fields_values['copy_to_admin'] == 'On' ) |
| 514 |
){ |
| 515 |
|
| 516 |
$this->sending = true; |
| 517 |
|
| 518 |
$subject = __('Email copy to', 'booking') . ' ' . str_replace( array( '<', '>' ), '', $to) . ' - ' . $subject; |
| 519 |
|
| 520 |
$headers = $this->get_headers( array( 'reply' => $to ) ); |
| 521 |
|
| 522 |
// FixIn: 8.1.2.17. |
| 523 |
if ( ! empty( $this->fields_values['to'] ) ) { |
| 524 |
$admin_to = $this->fields_values['to']; |
| 525 |
if ( ! empty( $this->fields_values['to_name'] )) { |
| 526 |
$admin_to_name = $this->fields_values['to_name']; |
| 527 |
} |
| 528 |
|
| 529 |
|
| 530 |
if ( ( strpos( $this->fields_values['to'], ',') === false ) && ( strpos( $this->fields_values['to'], ';') === false ) ) { |
| 531 |
|
| 532 |
$valid_email = sanitize_email( $this->fields_values['to'] ); |
| 533 |
if ( ! empty( $valid_email ) ) |
| 534 |
$to = trim( wp_specialchars_decode( esc_html( stripslashes( $this->fields_values['to_name'] ) ), ENT_QUOTES ) ) |
| 535 |
. ' <' . $valid_email . '> '; |
| 536 |
} else { |
| 537 |
|
| 538 |
// Comma separated several emails - validate all these emails in Email API class |
| 539 |
$to_array = $this->fields_values['to']; |
| 540 |
|
| 541 |
$to_array = str_replace(';', ',', $to_array); |
| 542 |
if ( !is_array( $to_array ) ) $to_array = explode( ',', $to_array ); |
| 543 |
|
| 544 |
$to_name = str_replace(';', ',', $this->fields_values['to_name']); |
| 545 |
if ( !is_array( $to_name ) ) $to_name = explode( ',', $to_name ); |
| 546 |
|
| 547 |
$to = array(); |
| 548 |
foreach ( $to_array as $to_ind => $to_email) { |
| 549 |
|
| 550 |
$to_name_str = $to_name[ ( count( $to_name ) - 1 ) ]; |
| 551 |
|
| 552 |
if ( isset( $to_name[ $to_ind ] ) ) |
| 553 |
$to_name_str = $to_name[ $to_ind ]; |
| 554 |
|
| 555 |
$valid_email = sanitize_email( $to_email ); |
| 556 |
if ( ! empty( $valid_email ) ) |
| 557 |
$to[] = trim( wp_specialchars_decode( esc_html( stripslashes( $to_name_str ) ), ENT_QUOTES ) ) . ' <' . $valid_email . '> '; |
| 558 |
} |
| 559 |
$to = implode(',', $to); |
| 560 |
|
| 561 |
} |
| 562 |
|
| 563 |
|
| 564 |
} else { //FixIn: 8.1.2.17 - END |
| 565 |
|
| 566 |
$to = $this->validate_emails( $this->get_from__name() . ' <' . $this->get_from__email_address() . '> ' ); |
| 567 |
|
| 568 |
} // FixIn: 8.1.2.17. |
| 569 |
|
| 570 |
$is_send_email = apply_filters( 'wpbc_email_api_is_allow_send_copy', $is_send_email, $this->id, $this->fields_values ); |
| 571 |
|
| 572 |
if ( $is_send_email ) { |
| 573 |
$to = apply_filters( 'wpbc_email_api_send_copy_field_to', $to ); // FixIn: 8.1.3.1. |
| 574 |
// FixIn: 8.5.2.22. |
| 575 |
if ( ! empty( $to ) ) { |
| 576 |
$return_copy = wp_mail( $to, $subject, $message, $headers, $attachments ); |
| 577 |
} |
| 578 |
} |
| 579 |
|
| 580 |
$this->sending = false; |
| 581 |
} |
| 582 |
|
| 583 |
$this->set_replace(); // Reset replace parameter |
| 584 |
|
| 585 |
return $return; |
| 586 |
} |
| 587 |
// </editor-fold> |
| 588 |
|
| 589 |
|
| 590 |
/** |
| 591 |
* Show possible erros during sending emails. |
| 592 |
* |
| 593 |
* @param type $wp_error_object - new WP_Error( $e->getCode(), $e->getMessage(), $mail_error_data ) |
| 594 |
*/ |
| 595 |
public function email_error_parse( $wp_error_object ) { |
| 596 |
//debuge( $wp_error_object ); |
| 597 |
if ( $this->sending ) { // Check if this error generated for email relative to this class. |
| 598 |
|
| 599 |
$error_description_array = array(); |
| 600 |
if ( isset( $wp_error_object->errors ) ) |
| 601 |
foreach ( $wp_error_object->errors as $key_error => $error_description ) { |
| 602 |
$error_description_array[] = implode(' ', $error_description ); |
| 603 |
} |
| 604 |
|
| 605 |
if ( ! empty( $error_description_array ) ) { |
| 606 |
$error_description = implode(' ', $error_description_array ) ; |
| 607 |
|
| 608 |
do_action('wpbc_email_sending_error', $wp_error_object, $error_description ); |
| 609 |
|
| 610 |
} else { |
| 611 |
do_action('wpbc_email_sending_error', $wp_error_object, '' ); |
| 612 |
} |
| 613 |
} |
| 614 |
} |
| 615 |
|
| 616 |
} |
| 617 |
|
| 618 |
|
