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run code in 300+ PHP versions simultaneously

@ 2017-11-30T14:29:39Z

<?php

class ArrayCollection
{
    private $elements;
    
    public function __construct(array $elements = [])
    {
        $this->elements = $elements;
    }
    
    public function forAll(\Closure $p)
    {
        foreach($this->elements as $key => $element)
        {
            if (!$p($key, $element)) {
                return false;
            }
        }
        
        return true;
    }
}

//simply return the value that was traversed
$callback = function($a){
    return $a; 
};

$ac = new ArrayCollection(['a', null, 'b']);
$r = $ac->forAll($callback);
var_dump($r);

$ac = new ArrayCollection(['a', 0, 'b']);
$r = $ac->forAll($callback);
var_dump($r);

$ac = new ArrayCollection(['a', false, 'b']);
$r = $ac->forAll($callback);
var_dump($r);

$ac = new ArrayCollection(['a', '', 'b']);
$r = $ac->forAll($callback);
var_dump($r);

Output for 5.6.38 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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: bool(false) bool(false) bool(false) bool(false)
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 bool(false) bool(false) bool(false) bool(false)

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