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<?php class Controller { function foo() { echo phpversion(); } } $controller = new Controller(); if (version_compare(phpversion(), '7', '>=')) { $callable = call_user_func($controller, 'foo'); } else { $callable = [$controller, 'foo']; } $callable();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0
Warning: call_user_func() expects parameter 1 to be a valid callback, no array or string given in /in/HpQmL on line 12 Fatal error: Uncaught Error: Function name must be a string in /in/HpQmL:17 Stack trace: #0 {main} thrown in /in/HpQmL on line 17
Process exited with code 255.
Output for 5.6.28
5.6.28
Output for 5.6.21
5.6.21
Output for 5.6.20
5.6.20
Output for 5.6.19
5.6.19
Output for 5.6.18
5.6.18
Output for 5.6.17
5.6.17
Output for 5.6.16
5.6.16
Output for 5.6.15
5.6.15
Output for 5.6.14
5.6.14
Output for 5.6.13
5.6.13
Output for 5.6.12
5.6.12
Output for 5.6.11
5.6.11
Output for 5.6.10
5.6.10
Output for 5.6.9
5.6.9
Output for 5.6.8
5.6.8
Output for 5.5.35
5.5.35
Output for 5.5.34
5.5.34
Output for 5.5.33
5.5.33
Output for 5.5.32
5.5.32
Output for 5.5.31
5.5.31
Output for 5.5.30
5.5.30
Output for 5.5.29
5.5.29
Output for 5.5.28
5.5.28
Output for 5.5.27
5.5.27
Output for 5.5.26
5.5.26
Output for 5.5.25
5.5.25
Output for 5.5.24
5.5.24
Output for 5.4.45
5.4.45
Output for 5.4.44
5.4.44
Output for 5.4.43
5.4.43
Output for 5.4.42
5.4.42
Output for 5.4.41
5.4.41
Output for 5.4.40
5.4.40
Output for 5.4.39
5.4.39
Output for 5.4.38
5.4.38
Output for 5.4.37
5.4.37
Output for 5.4.36
5.4.36
Output for 5.4.35
5.4.35
Output for 5.4.34
5.4.34
Output for 5.4.32
5.4.32
Output for 5.4.31
5.4.31
Output for 5.4.30
5.4.30
Output for 5.4.29
5.4.29
Output for 5.4.28
5.4.28
Output for 5.4.27
5.4.27
Output for 5.4.26
5.4.26
Output for 5.4.25
5.4.25
Output for 5.4.24
5.4.24
Output for 5.4.23
5.4.23
Output for 5.4.22
5.4.22
Output for 5.4.21
5.4.21
Output for 5.4.20
5.4.20
Output for 5.4.19
5.4.19
Output for 5.4.18
5.4.18
Output for 5.4.17
5.4.17
Output for 5.4.16
5.4.16
Output for 5.4.15
5.4.15
Output for 5.4.14
5.4.14
Output for 5.4.13
5.4.13
Output for 5.4.12
5.4.12
Output for 5.4.11
5.4.11
Output for 5.4.10
5.4.10
Output for 5.4.9
5.4.9
Output for 5.4.8
5.4.8
Output for 5.4.7
5.4.7
Output for 5.4.6
5.4.6
Output for 5.4.5
5.4.5
Output for 5.4.4
5.4.4
Output for 5.4.3
5.4.3
Output for 5.4.2
5.4.2
Output for 5.4.1
5.4.1
Output for 5.4.0
5.4.0

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131.17 ms | 401 KiB | 91 Q