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run code in 300+ PHP versions simultaneously

@ 2016-11-24T00:30:04Z

<?php

$rules = [
    'weekly_rate' => 'required, /^\d*\.\d+$/'
];

$_POST['weekly_rate'] = '0.012';

function validate ($rule_bag, $input) {
    $flag = true;
    $error_bag = [];
    foreach ($rule_bag as $item => $rules){
        $rules = is_array($rules) ? $rules : array_filter(explode(',', $rules));
        foreach($rules as $rule){
            $rule = trim($rule);
            switch(mb_strtolower(trim($rule))){
                case 'required': {
                    if (!isset($input[$item]))
                    {
                        $flag = false;
                        !isset($error_bag[$item])?$error_bag[$item]=[]:null;
                        $error_bag[$item][] = $rule;
                    }
                    break;
                }
                default: {
                    if (isset($input[$item])){
                        try {
                            if (!preg_match($rule, $input[$item])){
                                $flag = false;
                                !isset($error_bag[$item])?$error_bag[$item]=[]:null;
                                !isset($error_bag[$item]['regex'])?$error_bag[$item]['regex']=[]:null;
                                $error_bag[$item]['regex'][] = $rule;
                            }
                        }
                        catch(Exception $e){
                            echo $e->getMessage();
                        }
                    }
                }
            }
        }
    }
    return $flag ? $flag : $error_bag;
}

var_dump(validate($rules,$_POST));

Output for 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 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(true)
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(true)

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154.48 ms | 402 KiB | 221 Q