3v4l.org

run code in 300+ PHP versions simultaneously
<?php class foo { function bar() { echo "hi"; } } $class = 'foo'; call_user_func(array('foo', 'bar'));
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, non-static method foo::bar() cannot be called statically in /in/DBRQD:12 Stack trace: #0 {main} thrown in /in/DBRQD on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, non-static method foo::bar() cannot be called statically in /in/DBRQD:12 Stack trace: #0 {main} thrown in /in/DBRQD on line 12
Process exited with code 255.
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.6 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Non-static method foo::bar() should not be called statically in /in/DBRQD on line 12 hi
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 7.3.32 - 7.3.33
hi
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28
Strict Standards: call_user_func() expects parameter 1 to be a valid callback, non-static method foo::bar() should not be called statically in /in/DBRQD on line 12 hi
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.17
Strict Standards: Non-static method foo::bar() cannot be called statically in /in/DBRQD on line 12 Strict Standards: Non-static method foo::bar() cannot be called statically in /in/DBRQD on line 12 hi
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1
Strict Standards: Non-static method foo::bar() cannot be called statically in /in/DBRQD on line 12 hi

preferences:
203.35 ms | 402 KiB | 345 Q