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run code in 300+ PHP versions simultaneously

@ 2017-07-07T00:21:21Z

<?php

class Foo {
    
    const MYARRAY = ['foo' => 'bar'];
    protected static $props = ['Hello' => 'Foo Value'];
    
    function getPropValue($propName) {
        return static::$props[$propName];
    }
    
    function myFunc() {
        return 'hey myFunc';
    }
    
    function yourFunc() {
        return 'hey yourFunc';
    }
    
    function checkConst() {
        // if (isset(static::MYARRAY)) {
        //     echo 'const is set' . "\n\n";
        // } else {
        //     echo 'const is not set' . "\n\n";
        // }
        
        if (isset(static::MYARRAY['foo'])) {
            echo 'foo is set' . "\n\n";
        } else {
            echo 'foo is not set' . "\n\n";
        }
    }
    
}

class Bar extends Foo {
    protected static $props = ['Hello' => 'Bar Value'];
}

$foo = new Foo();
echo $foo->getPropValue('Hello') . "\n\n";

// $functionArray = ['myFunc' => 'myFunc'];
// echo $foo->$functionArray['myFunc']() . "\n\n";

$bar = new Bar();
echo $bar->getPropValue('Hello') . "\n\n";

$foo->checkConst();

Output for 7.0.0 - 7.0.33, 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: Foo Value Bar Value foo is set
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 Foo Value Bar Value foo is set
Output for 5.6.38: Fatal error: Cannot use isset() on the result of an expression (you can use "null !== expression" instead) in /in/lWro7 on line 27
Process exited with code 255.

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