Online PHP editor | output for YmAuJ

@ 2014-08-03T12:52:40Z

<?php

$corban_notice = false;

if (!function_exists('cd'))
{
	function cd($var)
	{
		global $corban_notice;
		if (!isset($var))
        {
        	if ($corban_notice)
            {
				echo 'Variable is not set';
                $corban_notice = false;
            }
            else
            {
				echo 'Variable is not NULL';
            }
        }
	}
}

function corban_error_handler($errno , $errstr, $errfile, $errline)
{
	global $corban_notice;
	if ( version_compare(PHP_VERSION, '5.0.0', '>=') )
	{
		$file = new SplFileObject($errfile);
		$file->seek($errline-1);
		$c = substr(trim($file->current()), 0, 3);
		if ($c=='cd(' || $c=='cd ')
		{
			$corban_notice = true;
		}
	}
	return false;

}

set_error_handler ('corban_error_handler', E_NOTICE);

var_dump($a);
$b = null;
 		cd($a);
cd($b);

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: Undefined variable $a in /in/YmAuJ on line 44 NULL Warning: Undefined variable $a in /in/YmAuJ on line 46 Variable is not NULLVariable is not NULL
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined variable: a in /in/YmAuJ on line 44 NULL Notice: Undefined variable: a in /in/YmAuJ on line 46 Variable is not setVariable is not NULL
Output for 7.3.32 - 7.3.33: NULL Variable is not setVariable is not NULL
Output for 5.0.0 - 5.0.5: Fatal error: Class 'SplFileObject' not found in /in/YmAuJ on line 30
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9: Warning: Wrong parameter count for set_error_handler() in /in/YmAuJ on line 42 Notice: Undefined variable: a in /in/YmAuJ on line 44 NULL Notice: Undefined variable: a in /in/YmAuJ on line 46 Variable is not NULLVariable is not NULL

preferences:dark modelive preview