5bad682879
- Adds filter hooks for custom links - Renames old shortcodes in the editor and elsewhere
61 lines
1.9 KiB
PHP
61 lines
1.9 KiB
PHP
<?php
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namespace MailPoet\Newsletter\Links;
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use MailPoet\Newsletter\Shortcodes\Shortcodes;
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use MailPoet\Util\Security;
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class Links {
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static function extract($text, $process_link_shortcodes = false) {
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// adopted from WP's wp_extract_urls() function & modified to work on hrefs
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# match href=' or href="
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$regex = '#(?:href.*?=.*?)(["\']?)('
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# match http://
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. '(?:([\w-]+:)?//?)'
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# match everything except for special characters # until .
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. '[^\s()<>]+'
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. '[.]'
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# conditionally match everything except for special characters after .
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. '(?:'
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. '\([\w\d]+\)|'
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. '(?:'
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. '[^`!()\[\]{}:\'".,<>«»“”‘’\s]|'
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. '(?:[:]\d+)?/?'
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. ')+'
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. ')'
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. ')\\1#';
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$shortcodes = new Shortcodes();
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// extract shortcodes with [url:*] format
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$shortcodes = $shortcodes->extract($text, $limit = array('link'));
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// extract links
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preg_match_all($regex, $text, $links);
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return array_merge(
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array_unique($links[2]),
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$shortcodes
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);
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}
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static function replace($text, $links = false, $process_link_shortcodes = false) {
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if ($process_link_shortcodes) {
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// process shortcodes with [url:*] format
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$shortcodes = new Shortcodes();
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$text = $shortcodes->replace($text, $limit = array('link'));
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}
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$links = ($links) ? $links : self::extract($text, $process_link_shortcodes);
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$processed_links = array();
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foreach($links as $link) {
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$hash = Security::generateRandomString(5);
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$processed_links[] = array(
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'hash' => $hash,
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'url' => $link
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);
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$encoded_link = sprintf(
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'%s/?mailpoet&endpoint=track&action=click&data=%s',
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home_url(),
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'[mailpoet_data]-' . $hash
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);
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$link_regex = '/' . preg_quote($link, '/') . '/';
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$text = preg_replace($link_regex, $encoded_link, $text);
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}
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return array($text, $processed_links);
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}
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} |