function awpcp_utf8_substr_pcre($string, $start, $length = null)
{
if (is_null($length)) {
$length = awpcp_utf8_strlen($string) - $start;
}
if (preg_match_all('/.{' . $start . '}(.{' . $length . '})/su', $string, $matches)) {
return $matches[1][0];
} else {
return '';
}
}
protected function prepare_ad_details($details, $characters)
{
$allow_html = (bool) get_awpcp_option('allowhtmlinadtext');
if (!$allow_html) {
$details = esc_html($details);
} else {
$details = wp_kses_post($details);
}
if ($characters > 0 && awpcp_utf8_strlen($details) > $characters) {
$details = awpcp_utf8_substr($details, 0, $characters);
}
if ($allow_html) {
$details = force_balance_tags($details);
}
return $details;
}
function awpcp_get_ad_share_info($id)
{
global $wpdb;
$ad = AWPCP_Ad::find_by_id($id);
$info = array();
if (is_null($ad)) {
return null;
}
$info['url'] = url_showad($id);
$info['title'] = stripslashes($ad->ad_title);
$info['description'] = strip_tags(stripslashes($ad->ad_details));
$info['description'] = str_replace("\n", " ", $info['description']);
if (awpcp_utf8_strlen($info['description']) > 300) {
$info['description'] = awpcp_utf8_substr($info['description'], 0, 300) . '...';
}
$info['images'] = array();
$info['published-time'] = awpcp_datetime('Y-m-d', $ad->ad_postdate);
$info['modified-time'] = awpcp_datetime('Y-m-d', $ad->ad_last_updated);
$images = awpcp_media_api()->find_by_ad_id($ad->ad_id, array('enabled' => true));
foreach ($images as $image) {
$info['images'][] = $image->get_url('large');
}
return $info;
}