3v4l.org

run code in 300+ PHP versions simultaneously

@ 2017-07-12T00:15:14Z

<?php

$var;

function connectToDB($string) { return false; }

switch (false) {
    // check if we have DB credentials.
    case isset($DBcredentials):
        $DBcredentials = 'myawesomepassword';;
        echo "Setting var" . PHP_EOL;
    
    // connect to DB.
    case connectToDB($DBcredentials):
        // delberiate fall through, case $var is *not* caught, but we end here anyways.
        $var = 1;
        echo "Truthing Var" . PHP_EOL;
        
    case is_string($var):
        // delebirate fall through, case is_string($var) is *not* caught, but we end here anyways.
        $var = (string) $var;
        echo "Stringing var" . PHP_EOL;
        break;
        
    /* case customGuardFunction() */
    
    default:
        echo "All checks passed!";
}

var_dump($var);

Output for git.master, git.master_jit, rfc.property-hooks: Setting var Truthing Var Stringing var string(1) "1"

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

39.63 ms | 401 KiB | 8 Q