3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function machine_forget(&$data) { $data = null; } $answer = 42; var_dump((string)$answer); machine_forget($answer); var_dump((string)$answer); // shhh no spoilers class zombie { private $val; public function __construct($val) { $this->val = $val; } public function __destruct() { $this->vessel = $this; } public function __toString() { return $this->val; } } $answer = new zombie("42"); $answer->vessel = &$answer;" var_dump((string)$answer); machine_forget($answer); var_dump((string)$answer);
based on KBQ0I
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected end of file in /in/YCpS9 on line 25
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected $end in /in/YCpS9 on line 25
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected $ in /in/YCpS9 on line 25
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/YCpS9 on line 14
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/YCpS9 on line 14
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/YCpS9 on line 14
Process exited with code 255.