Online PHP editor | output for EW0gl

@ 2016-01-05T00:14:32Z

<?php
function struct(string $name, array $class) {
    $class = serialize($class);
    define($name, $class);
}
function create($class) {
    $class = unserialize($class);
    $array = [];
    foreach($class as $key => $value) {
        if(is_array($value)) $array =+ [$key => create($value)];
        else $array += [$key => $value];
    }
    return $array;
}
function call(array &$class, string $member, ...$args) {
    if(!isset($class[$member])) exit($member.' is not a member of the class.');
    else {
        if(!is_callable($class[$member])) return $class[$member];
        else {
            if(!isset($args[0])) $class[$member]($class);
        }
    }
}

define('myClass', serialize([
    'foo' => 'Hello World!',
    'bar' => function (&$this) {
        $this['foo'] = ' Hi!';
    }
]));
$obj = create(myClass);
echo(call($obj, 'foo'));

Output for 7.0.7 - 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 - 8.3.6: Fatal error: Cannot use $this as parameter in /in/EW0gl on line 27
Process exited with code 255.
Output for 7.0.0 - 7.0.6: Fatal error: Uncaught Exception: Serialization of 'Closure' is not allowed in /in/EW0gl:29 Stack trace: #0 /in/EW0gl(29): serialize(Array) #1 {main} thrown in /in/EW0gl on line 29
Process exited with code 255.
Output for 5.6.0 - 5.6.38: Fatal error: Uncaught exception 'Exception' with message 'Serialization of 'Closure' is not allowed' in /in/EW0gl:30 Stack trace: #0 /in/EW0gl(30): serialize(Array) #1 {main} thrown in /in/EW0gl on line 30
Process exited with code 255.
Output for 5.5.0 - 5.5.38: Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/EW0gl on line 15
Process exited with code 255.

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