3v4l.org

run code in 200+ php & hhvm versions

@ 2016-01-05T21:43:49Z

<?php
function __(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);
            else $class[$member]($class, $args);
        }
    }
}
function _new(array $class, ...$args) {
    $obj = $class;
    if(isset($class['__construct'])) {
        if(isset($args[0])) $obj['__construct']($obj, $args);
        else $obj['__construct']($obj);
    }
    return $obj;
}

$obj = [
    'foo' => '',
    'bar' => function (&$this) {
        $this['foo'] = ' World!';
    },
    '__construct' => function (&$this) {
        $this['foo'] = 'Hello';
    }
];
echo($obj['foo']);
__($obj, 'bar');
echo($obj['foo']);

eol versions

Output for 7.0.7 - 7.3.1: Fatal error: Cannot use $this as parameter in /in/SGmGp on line 23
Process exited with code 255.
Output for 7.0.0 - 7.0.6: World!
Output for 5.6.0 - 5.6.38: Catchable fatal error: Argument 2 passed to __() must be an instance of string, string given, called in /in/SGmGp on line 31 and defined in /in/SGmGp on line 2
Process exited with code 255.
Output for 5.4.11 - 5.5.38: Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/SGmGp on line 2
Process exited with code 255.
Output for 5.3.21 - 5.3.29: Parse error: syntax error, unexpected '.', expecting '&' or T_VARIABLE in /in/SGmGp on line 2
Process exited with code 255.