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<?php class CallableStringifier { private static $callables = array(); public static function stringify(callable $callable) { $id = count(self::$callables); self::$callables[$id] = $callable; return __CLASS__ . "::call($id, func_get_args());"; } public static function call($id, $args) { return call_user_func_array(self::$callables[$id], $args); } } $codeToPassToRunkit = CallableStringifier::stringify(function($arg1) { return $arg1; });
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Output for 5.3.0 - 5.3.29
Catchable fatal error: Argument 1 passed to CallableStringifier::stringify() must be an instance of callable, instance of Closure given, called in /in/jfO2U on line 20 and defined in /in/jfO2U on line 7
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION, expecting ')' in /in/jfO2U on line 20
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION, expecting ')' in /in/jfO2U on line 20
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/jfO2U on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/jfO2U on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/jfO2U on line 5
Process exited with code 255.

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