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run code in 300+ PHP versions simultaneously

@ 2017-03-02T12:42:12Z

<?php

$__CLASSES = [];

$__CLASSES["Foo"] = [
    "vars" => ["bar" => null],
    "methods" => [
        "__construct" => function(&$this_, $bar) {
            $this_["vars"]["bar"] = $bar;
        },
        "bar" => function(&$this_) {
            return $this_["methods"]["foo"]($this_);
        },
        "foo" => function(&$this_) {
            static $bar;
            if (!$bar) {
                $bar = $this_["vars"]["bar"];
            }
            return $bar;
        }
    ]
];

function __new($class, ...$args) {
    global $__CLASSES;
    
    $object = $__CLASSES[$class];
    if (isset($object["methods"]["__construct"])) {
        $object["methods"]["__construct"]($object, ...$args);
    }
    return $object;
}

var_dump(($__temp = __new("Foo", 123))["methods"]["bar"]($__temp));
var_dump(($__temp = __new("Foo", 456))["methods"]["bar"]($__temp));

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: int(123) int(123)
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 int(123) int(123)

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199.39 ms | 402 KiB | 183 Q