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<?php
namespace MailPoet\WP;
if (!defined('ABSPATH')) exit;
use MailPoet\WP\Functions as WPFunctions;
class Emoji {
/** @var WPFunctions */
private $wp;
public function __construct(
WPFunctions $wp = null
) {
if ($wp === null) {
$wp = new WPFunctions();
}
$this->wp = $wp;
}
public function encodeEmojisInBody($newsletterRenderedBody) {
if (is_array($newsletterRenderedBody)) {
return array_map([$this, 'encodeRenderedBodyForUTF8Column'], $newsletterRenderedBody);
}
return $this->encodeRenderedBodyForUTF8Column($newsletterRenderedBody);
}
public function decodeEmojisInBody($newsletterRenderedBody) {
if (is_array($newsletterRenderedBody)) {
return array_map([$this, 'decodeEntities'], $newsletterRenderedBody);
}
return $this->decodeEntities($newsletterRenderedBody);
}
public function sanitizeEmojisInFormBody(array $body): array {
$bodyJson = json_encode($body, JSON_UNESCAPED_UNICODE);
$fixedJson = $this->encodeForUTF8Column(MP_FORMS_TABLE, 'body', $bodyJson);
return json_decode($fixedJson, true);
}
private function encodeRenderedBodyForUTF8Column($value) {
return $this->encodeForUTF8Column(
MP_SENDING_QUEUES_TABLE,
'newsletter_rendered_body',
$value
);
}
public function encodeForUTF8Column($table, $field, $value) {
global $wpdb;
$charset = $wpdb->get_col_charset($table, $field);
if ($charset === 'utf8') {
$value = $this->wp->wpEncodeEmoji($value);
}
return $value;
}
public function decodeEntities($content) {
// Based on WPFunctions::get()->wpStaticizeEmoji()
// Loosely match the Emoji Unicode range.
$regex = '/(&#x[2-3][0-9a-f]{3};|[1-6][0-9a-f]{2};)/';
$matches = [];
if (preg_match_all($regex, $content, $matches)) {
if (!empty($matches[1])) {
foreach ($matches[1] as $emoji) {
$entity = html_entity_decode($emoji, ENT_COMPAT, 'UTF-8');
$content = str_replace($emoji, $entity, $content);
}
}
}
return $content;
}
}