3v4l.org

run code in 300+ PHP versions simultaneously

@ 2017-04-20T17:39:15Z

<?php
    $closure1 = function(integer $param1) {
        return $param1 * 2;
    };

    $closure2 = function(string $param1) {
        return mb_strlen($param1);
    };

    foreach (['preg_replace', $closure1, $closure2] as &$func) {
        $reflection = new ReflectionFunction($func);
        if (version_compare(PHP_VERSION, '7.0.0') >= 0) {
            echo $reflection->getReturnType()." ";
        }
        echo $reflection->getName()." [";
        foreach($reflection->getParameters() as &$param) {
            if ((version_compare(PHP_VERSION, '7.0.0') >= 0) and $param->hasType()) {
                echo $param->getType().($param->allowsNull() ? '|null' : '')." ";
            }
            echo ($param->isOptional() ? '[' : '').$param->getName().($param->isOptional() ? ']' : '');
            echo "; ";
        }
        echo "]";

        echo "\n\n\n";
    }
?>

Output for git.master, git.master_jit, rfc.property-hooks: Warning: "integer" will be interpreted as a class name. Did you mean "int"? Write "\integer" to suppress this warning in /in/49s1p on line 2 array|string|null preg_replace [array|string pattern; array|string replacement; array|string subject; int [limit]; [count]; ] {closure} [integer param1; ] {closure} [string param1; ]

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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

77.8 ms | 402 KiB | 8 Q