3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected function _x() { echo "a"; } public function __call($methodName, array $arguments) { throw new Exception("Unknown method."); } } class B extends A { public function x() { parent::_x(); call_user_func('parent::_x'); call_user_func(['parent', '_x']); } } $b = new B; $b->x();
Output for 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
a Deprecated: Use of "parent" in callables is deprecated in /in/4El6Z on line 21 a Deprecated: Use of "parent" in callables is deprecated in /in/4El6Z on line 22 a
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.1 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33
aaa
Output for 7.4.0
aa Fatal error: Uncaught Exception: Unknown method. in /in/4El6Z:12 Stack trace: #0 /in/4El6Z(22): A->__call('_x', Array) #1 /in/4El6Z(27): B->x() #2 {main} thrown in /in/4El6Z on line 12
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/4El6Z on line 22
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/4El6Z on line 10
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/4El6Z 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/4El6Z 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/4El6Z on line 5
Process exited with code 255.
preferences:
157.72 ms | 415 KiB | 5 Q