3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function a() { return 'soy a'; } } print (new a)->a(); print call_user_func(['a', 'a']);
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
soy a Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, non-static method A::a() cannot be called statically in /in/VjRTe:16 Stack trace: #0 {main} thrown in /in/VjRTe on line 16
Process exited with code 255.
Output for 8.0.0 - 8.0.9
soy a Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, non-static method A::a() cannot be called statically in /in/VjRTe:16 Stack trace: #0 {main} thrown in /in/VjRTe on line 16
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/VjRTe on line 3 soy a Warning: call_user_func() expects parameter 1 to be a valid callback, non-static method A::a() cannot be called statically in /in/VjRTe on line 16
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.32 - 7.3.33
soy a Warning: call_user_func() expects parameter 1 to be a valid callback, non-static method A::a() cannot be called statically in /in/VjRTe on line 16
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_OBJECT_OPERATOR in /in/VjRTe on line 15
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_OBJECT_OPERATOR in /in/VjRTe on line 15
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VjRTe on line 15
Process exited with code 255.

preferences:
295.06 ms | 401 KiB | 462 Q