Youtube Url Expander

Herhangi bir youtube adresini sitenizde iframe içinde izlemenize olanak sağlar.

<?php 
function checkValues($value){
	$value = trim($value);
	if (get_magic_quotes_gpc()) {
	$value = stripslashes($value);
	}
	$value = strtr($value,array_flip(get_html_translation_table(HTML_ENTITIES)));
	$value = strip_tags($value);
	$value = mysql_real_escape_string($value);
	$value = htmlspecialchars ($value);
	return $value; 
}
function auto_link_text($text) {
 $pattern = '#\b(([\w-]+://?|www[.])[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/)))#';
 return preg_replace_callback($pattern, 'auto_link_text_callback', $text);
}
function auto_link_text_callback($matches) {
 $max_url_length = 50;
 $max_depth_if_over_length = 2;
 $ellipsis = '…';
 $url_full = $matches[0];
 $url_short = '';

 if (strlen($url_full) > $max_url_length) {
 $parts = parse_url($url_full);
 $url_short = $parts['scheme'] . '://' . preg_replace('/^www\./', '', $parts['host']) . '/';

 $path_components = explode('/', trim($parts['path'], '/'));
 foreach ($path_components as $dir) {
 $url_string_components[] = $dir . '/';
 }

 if (!empty($parts['query'])) {
 $url_string_components[] = '?' . $parts['query'];
 }

 if (!empty($parts['fragment'])) {
 $url_string_components[] = '#' . $parts['fragment'];
 }

 for ($k = 0; $k < count($url_string_components); $k++) {
 $curr_component = $url_string_components[$k];
 if ($k >= $max_depth_if_over_length || strlen($url_short) + strlen($curr_component) > $max_url_length) {
 if ($k == 0 && strlen($url_short) < $max_url_length) {
 $url_short .= substr($curr_component, 0, $max_url_length - strlen($url_short));
 }
 $url_short .= $ellipsis;
 break;
 }
 $url_short .= $curr_component;
 }

 } else {
 $url_short = $url_full;
 }
	preg_match("/^(?:http(?:s)?:\/\/)?(?:www\.)?(?:youtu\.be\/|youtube\.com\/(?:(?:watch)?\?(?:.*&)?v(?:i)?=|(?:embed|v|vi|user)\/))([^\?&\"'>]+)/", $url_short, $cikti);
 return '<p><iframe width="420" height="213" src="http://youtube.com/embed/'.$cikti[1].'" 
 frameborder="0" allowfullscreen></iframe></p>'; 
}
echo auto_link_text(checkValues("https://www.youtube.com/watch?v=uaVxC4syxPY"));

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