3v4l.org

run code in 300+ PHP versions simultaneously

@ 2014-08-03T12:53:02Z

<?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'.PHP_EOL;
                $corban_notice = false;
            }
            else
            {
				echo 'Variable is NULL'.PHP_EOL;
            }
        }
	}
}

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 git.master, git.master_jit, rfc.property-hooks: Warning: Undefined variable $a in /in/EHVFd on line 44 NULL Warning: Undefined variable $a in /in/EHVFd on line 46 Variable is NULL Variable is NULL

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

preferences:dark modelive preview

62.6 ms | 401 KiB | 8 Q