256 lines
7.9 KiB
PHP
256 lines
7.9 KiB
PHP
<?php
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/**
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* Gets the email message from the user's mailbox to add as
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* a WordPress post. Mailbox connection information must be
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* configured under Settings > Writing
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*
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* @package WordPress
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*/
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/** Make sure that the WordPress bootstrap has run before continuing. */
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require(dirname(__FILE__) . '/wp-load.php');
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/** This filter is documented in wp-admin/options.php */
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if ( ! apply_filters( 'enable_post_by_email_configuration', true ) )
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wp_die( __( 'This action has been disabled by the administrator.' ) );
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$mailserver_url = get_option( 'mailserver_url' );
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if ( 'mail.example.com' === $mailserver_url || empty( $mailserver_url ) ) {
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wp_die( __( 'This action has been disabled by the administrator.' ), 403 );
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}
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/**
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* Fires to allow a plugin to do a complete takeover of Post by Email.
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*
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* @since 2.9.0
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*/
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do_action( 'wp-mail.php' );
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/** Get the POP3 class with which to access the mailbox. */
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require_once( ABSPATH . WPINC . '/class-pop3.php' );
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/** Only check at this interval for new messages. */
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if ( !defined('WP_MAIL_INTERVAL') )
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define('WP_MAIL_INTERVAL', 300); // 5 minutes
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$last_checked = get_transient('mailserver_last_checked');
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if ( $last_checked )
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wp_die(__('Slow down cowboy, no need to check for new mails so often!'));
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set_transient('mailserver_last_checked', true, WP_MAIL_INTERVAL);
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$time_difference = get_option('gmt_offset') * HOUR_IN_SECONDS;
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$phone_delim = '::';
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$pop3 = new POP3();
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if ( !$pop3->connect( get_option('mailserver_url'), get_option('mailserver_port') ) || !$pop3->user( get_option('mailserver_login') ) )
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wp_die( esc_html( $pop3->ERROR ) );
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$count = $pop3->pass( get_option('mailserver_pass') );
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if( false === $count )
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wp_die( esc_html( $pop3->ERROR ) );
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if( 0 === $count ) {
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$pop3->quit();
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wp_die( __('There doesn’t seem to be any new mail.') );
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}
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// Always run as an unauthenticated user.
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wp_set_current_user( 0 );
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for ( $i = 1; $i <= $count; $i++ ) {
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$message = $pop3->get($i);
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$bodysignal = false;
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$boundary = '';
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$charset = '';
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$content = '';
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$content_type = '';
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$content_transfer_encoding = '';
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$post_author = 1;
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$author_found = false;
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$dmonths = array('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec');
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foreach ($message as $line) {
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// Body signal.
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if ( strlen($line) < 3 )
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$bodysignal = true;
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if ( $bodysignal ) {
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$content .= $line;
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} else {
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if ( preg_match('/Content-Type: /i', $line) ) {
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$content_type = trim($line);
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$content_type = substr($content_type, 14, strlen($content_type) - 14);
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$content_type = explode(';', $content_type);
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if ( ! empty( $content_type[1] ) ) {
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$charset = explode('=', $content_type[1]);
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$charset = ( ! empty( $charset[1] ) ) ? trim($charset[1]) : '';
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}
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$content_type = $content_type[0];
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}
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if ( preg_match('/Content-Transfer-Encoding: /i', $line) ) {
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$content_transfer_encoding = trim($line);
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$content_transfer_encoding = substr($content_transfer_encoding, 27, strlen($content_transfer_encoding) - 27);
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$content_transfer_encoding = explode(';', $content_transfer_encoding);
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$content_transfer_encoding = $content_transfer_encoding[0];
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}
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if ( ( $content_type == 'multipart/alternative' ) && ( false !== strpos($line, 'boundary="') ) && ( '' == $boundary ) ) {
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$boundary = trim($line);
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$boundary = explode('"', $boundary);
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$boundary = $boundary[1];
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}
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if (preg_match('/Subject: /i', $line)) {
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$subject = trim($line);
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$subject = substr($subject, 9, strlen($subject) - 9);
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// Captures any text in the subject before $phone_delim as the subject
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if ( function_exists('iconv_mime_decode') ) {
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$subject = iconv_mime_decode($subject, 2, get_option('blog_charset'));
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} else {
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$subject = wp_iso_descrambler($subject);
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}
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$subject = explode($phone_delim, $subject);
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$subject = $subject[0];
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}
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/*
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* Set the author using the email address (From or Reply-To, the last used)
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* otherwise use the site admin.
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*/
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if ( ! $author_found && preg_match( '/^(From|Reply-To): /', $line ) ) {
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if ( preg_match('|[a-z0-9_.-]+@[a-z0-9_.-]+(?!.*<)|i', $line, $matches) )
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$author = $matches[0];
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else
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$author = trim($line);
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$author = sanitize_email($author);
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if ( is_email($author) ) {
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$userdata = get_user_by('email', $author);
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if ( ! empty( $userdata ) ) {
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$post_author = $userdata->ID;
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$author_found = true;
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}
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}
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}
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if ( preg_match( '/Date: /i', $line ) ) { // of the form '20 Mar 2002 20:32:37 +0100'
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$ddate = str_replace( 'Date: ', '', trim( $line ) );
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$ddate = preg_replace( '!\s*\(.+\)\s*$!', '', $ddate ); // remove parenthesised timezone string if it exists, as this confuses strtotime
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$ddate_U = strtotime( $ddate );
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$post_date = gmdate( 'Y-m-d H:i:s', $ddate_U + $time_difference );
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$post_date_gmt = gmdate( 'Y-m-d H:i:s', $ddate_U );
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}
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}
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}
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// Set $post_status based on $author_found and on author's publish_posts capability
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if ( $author_found ) {
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$user = new WP_User($post_author);
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$post_status = ( $user->has_cap('publish_posts') ) ? 'publish' : 'pending';
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} else {
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// Author not found in DB, set status to pending. Author already set to admin.
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$post_status = 'pending';
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}
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$subject = trim($subject);
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if ( $content_type == 'multipart/alternative' ) {
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$content = explode('--'.$boundary, $content);
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$content = $content[2];
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// Match case-insensitive content-transfer-encoding.
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if ( preg_match( '/Content-Transfer-Encoding: quoted-printable/i', $content, $delim) ) {
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$content = explode($delim[0], $content);
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$content = $content[1];
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}
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$content = strip_tags($content, '<img><p><br><i><b><u><em><strong><strike><font><span><div>');
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}
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$content = trim($content);
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/**
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* Filter the original content of the email.
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*
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* Give Post-By-Email extending plugins full access to the content, either
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* the raw content, or the content of the last quoted-printable section.
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*
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* @since 2.8.0
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*
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* @param string $content The original email content.
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*/
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$content = apply_filters( 'wp_mail_original_content', $content );
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if ( false !== stripos($content_transfer_encoding, "quoted-printable") ) {
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$content = quoted_printable_decode($content);
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}
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if ( function_exists('iconv') && ! empty( $charset ) ) {
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$content = iconv($charset, get_option('blog_charset'), $content);
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}
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// Captures any text in the body after $phone_delim as the body
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$content = explode($phone_delim, $content);
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$content = empty( $content[1] ) ? $content[0] : $content[1];
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$content = trim($content);
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/**
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* Filter the content of the post submitted by email before saving.
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*
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* @since 1.2.0
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*
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* @param string $content The email content.
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*/
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$post_content = apply_filters( 'phone_content', $content );
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$post_title = xmlrpc_getposttitle($content);
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if ($post_title == '') $post_title = $subject;
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$post_category = array(get_option('default_email_category'));
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$post_data = compact('post_content','post_title','post_date','post_date_gmt','post_author','post_category', 'post_status');
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$post_data = wp_slash($post_data);
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$post_ID = wp_insert_post($post_data);
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if ( is_wp_error( $post_ID ) )
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echo "\n" . $post_ID->get_error_message();
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// We couldn't post, for whatever reason. Better move forward to the next email.
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if ( empty( $post_ID ) )
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continue;
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/**
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* Fires after a post submitted by email is published.
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*
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* @since 1.2.0
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*
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* @param int $post_ID The post ID.
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*/
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do_action( 'publish_phone', $post_ID );
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echo "\n<p><strong>" . __( 'Author:' ) . '</strong> ' . esc_html( $post_author ) . '</p>';
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echo "\n<p><strong>" . __( 'Posted title:' ) . '</strong> ' . esc_html( $post_title ) . '</p>';
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if(!$pop3->delete($i)) {
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echo '<p>' . sprintf(
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/* translators: %s: POP3 error */
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__( 'Oops: %s' ),
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esc_html( $pop3->ERROR )
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) . '</p>';
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$pop3->reset();
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exit;
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} else {
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echo '<p>' . sprintf(
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/* translators: %s: the message ID */
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__( 'Mission complete. Message %s deleted.' ),
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'<strong>' . $i . '</strong>'
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) . '</p>';
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}
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}
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$pop3->quit();
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