urlExists

gistfile1.txt

	/**
	*	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;
	}