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<?php class test { public function __construct() {} public function test() { echo "tests"; } } call_user_func(array('test', 'test'));
Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, non-static method test::test() cannot be called statically in /in/QqaMi:12 Stack trace: #0 {main} thrown in /in/QqaMi on line 12
Process exited with code 255.
Output for 8.0.0 - 8.0.9
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($function) must be a valid callback, non-static method test::test() cannot be called statically in /in/QqaMi:12 Stack trace: #0 {main} thrown in /in/QqaMi on line 12
Process exited with code 255.
Output for 5.3.3 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: call_user_func() expects parameter 1 to be a valid callback, non-static method test::test() cannot be called statically in /in/QqaMi on line 12
Output for 5.3.0 - 5.3.2
Strict Standards: Redefining already defined constructor for class test in /in/QqaMi on line 6 Warning: call_user_func() expects parameter 1 to be a valid callback, non-static method test::test() cannot be called statically in /in/QqaMi on line 12
Output for 5.2.14 - 5.2.17
Strict Standards: Non-static method test::test() cannot be called statically in /in/QqaMi on line 12 Fatal error: Non-static method test::test() cannot be called statically in /in/QqaMi on line 12
Process exited with code 255.
Output for 5.1.2 - 5.1.6, 5.2.0 - 5.2.13
Strict Standards: Redefining already defined constructor for class test in /in/QqaMi on line 6 Strict Standards: Non-static method test::test() cannot be called statically in /in/QqaMi on line 12 Fatal error: Non-static method test::test() cannot be called statically in /in/QqaMi on line 12
Process exited with code 255.
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.1
Strict Standards: Redefining already defined constructor for class test in /in/QqaMi on line 6 Fatal error: Non-static method test::test() cannot be called statically in /in/QqaMi on line 12
Process exited with code 255.
Output for 5.0.0 - 5.0.3
Strict Standards: Redefining already defined constructor for class test in /in/QqaMi on line 6 Strict Standards: Non-static method test::test() cannot be called statically in /in/QqaMi on line 12 tests
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/QqaMi 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/QqaMi 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/QqaMi on line 5
Process exited with code 255.

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