public function get_leading_image($post_id)
{
//Post thumbnail is the wordpress term for leading-image
$post_thumbnail = false;
if (function_exists("get_the_post_thumbnail")) {
$post_thumbnail = get_the_post_thumbnail($post_id);
}
if ($post_thumbnail) {
$images = strip_images($post_thumbnail);
if (count($images) > 0) {
$image = $images[0];
$image['id'] = "";
return $image;
}
}
return false;
}
/**
* Strips images from a string of text
* @param String $string Full string to parse
* @param String $start Where to start
* @param String $end Where to end
* @param String $options Return found string or parsed string
* @return String String - images
*
* Base code for this was taken from Justin Cook
* http://www.justin-cook.com/wp/2006/03/31/php-parse-a-string-between-two-strings/
*/
function strip_images($string, $start, $end, $options = false)
{
$ltr_count = strlen($start);
$string = " " . $string;
$ini = strpos($string, $start);
$ini -= $ltr_count;
if ($ini == 0) {
return "";
}
$ini += strlen($start);
$len = strpos($string, $end, $ini) - $ini;
$to_replace = substr($string, $ini, $len);
if ($options) {
return $to_replace;
}
return str_replace($to_replace, '', $string);
}
$string = '<p>This is some text here<a href="/blahblah/2349821349/"><img src="/uploads/blahblah/12.jpg" border="0" alt="Random Image To Replace" title="Random Image To Replace" hspace="5" width="330" height="158" align="right"></a> </p>';
$parsed = strip_images($string, '<a', '</a>');
echo $parsed;
/**
* Use only trough sanitize_html! Stripe attachments out of html and marks the places where attachments are striped.
* @param html in/out modifies it so it contains <se-attachment id="attachment-id"> where attachment was striped
* @return attachments from html
*/
function strip_attachments(&$html)
{
$images = strip_images($html);
$videos = strip_videos($html);
$audio = strip_audio($html);
html_decode_list($videos);
html_decode_list($images);
html_decode_list($audio);
return array('images' => $images, 'videos' => $videos, 'audio' => $audio);
}
