Online PHP editor | output for ZH7Qb

@ 2016-01-05T00:16:24Z

<?php
function struct(string $name, array $class) {
    $class = serialize($class);
    define($name, $class);
}
function create($class) {
    $class = json_decode($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', json_encode([
    'foo' => 'Hello World!',
    'bar' => function (&$this) {
        $this['foo'] = ' Hi!';
    }
]));
$obj = create(myClass);
echo(call($obj, 'foo'));
call($obj, 'bar');
call($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 - 8.3.4, 8.3.6: Fatal error: Cannot use $this as parameter in /in/ZH7Qb on line 27
Process exited with code 255.
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 Fatal error: Cannot use $this as parameter in /in/ZH7Qb on line 27
Process exited with code 255.
Output for 7.0.0 - 7.0.6: Hello World!
Output for 5.6.0 - 5.6.38: Catchable fatal error: Argument 2 passed to call() must be an instance of string, string given, called in /in/ZH7Qb on line 32 and defined in /in/ZH7Qb on line 15
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/ZH7Qb on line 15
Process exited with code 255.

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