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<?php class Controller { function foo() { echo phpversion(); } } $controller = new Controller(); if (version_compare(phpversion(), '7', '>=')) { echo 'test'; $callable = call_user_func($controller, 'foo'); } else { $callable = [$controller, 'foo']; } $callable();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
test Warning: call_user_func() expects parameter 1 to be a valid callback, no array or string given in /in/GHu07 on line 13 Fatal error: Uncaught Error: Function name must be a string in /in/GHu07:18 Stack trace: #0 {main} thrown in /in/GHu07 on line 18
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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