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urlExists
/**
* Check if the url exist
*
* @param string $url The url to check
*
* @return bool If exist true
*
*/
public static function urlExists($url)
{
$exists = false;
// check if we can use curl
if (function_exists('curl_version'))
{
// initiate curl
$ch = curl_init($url);
// CURLOPT_NOBODY (do not return body)
curl_setopt($ch, CURLOPT_NOBODY, true);
// make call
$result = curl_exec($ch);
// check return value
if ($result !== false)
{
// get the http CODE
$statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($statusCode !== 404)
{
$exists = true;
}
}
// close the connection
curl_close($ch);
}
elseif ($headers = @get_headers($url))
{
if(isset($headers[0]) && is_string($headers[0]) && strpos($headers[0],'404') === false)
{
$exists = true;
}
}
return $exists;
}
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