3v4l.org

run code in 300+ PHP versions simultaneously
<?php class FooException extends Exception { public function __toString() { return "HAHA NOT WHAT YOU THOUGHT IT WAS!!"; } } class BarException extends FooException { public function __toString() { return Exception::__toString(); } } $a = new BarException(); var_dump($a->__toString());
Output for 7.0.0 - 7.0.33, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
string(51) "BarException in /in/jZB70:19 Stack trace: #0 {main}"
Output for 5.0.0 - 5.0.2, 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38
string(63) "exception 'BarException' in /in/jZB70:19 Stack trace: #0 {main}"
Output for 5.0.3 - 5.0.4
string(91) "exception 'BarException' in /in/jZB70:19 Stack trace: #0 /in/jZB70(19): unknown() #1 {main}"
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/jZB70 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/jZB70 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/jZB70 on line 5
Process exited with code 255.

preferences:
249.81 ms | 401 KiB | 453 Q