3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Hello{ private $say; public function say(Hello $obj = null, $val = null) { if (null === $obj) { return $this->say; } $obj->say = $val; } public function __toString() { return $this->say; } } $test1 = new Hello; $test2 = new Hello; $test1->say($test2, 'Hello'); echo $test2;
Output for 5.0.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Hello
Output for hhvm-3.10.0

Process exited with code 153.
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/agaY0 on line 6
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/agaY0 on line 6
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/agaY0 on line 6
Process exited with code 255.