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run code in 150+ php & hhvm versions
Bugs & Features
<?php $tags = array('Test', 'tests', 'tes', 'abc'); usort($tags, function($a, $b) { return strcasecmp($a, $b); }); var_dump($tags); echo phpversion ();
Output for 7.1.0
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.1.0
Output for 7.0.14
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.0.14
Output for 7.0.6
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.0.6
Output for 7.0.5
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.0.5
Output for 7.0.4
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.0.4
Output for 7.0.3
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.0.3
Output for 7.0.2
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.0.2
Output for 7.0.1
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.0.1
Output for 7.0.0
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 7.0.0
Output for hhvm-3.12.0
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.99-hhvm
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.6.28
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.28
Output for 5.6.21
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.21
Output for 5.6.20
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.20
Output for 5.6.19
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.19
Output for 5.6.18
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.18
Output for 5.6.17
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.17
Output for 5.6.16
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.16
Output for 5.6.15
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.15
Output for 5.6.14
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.14
Output for 5.6.13
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.13
Output for 5.6.12
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.12
Output for 5.6.11
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.11
Output for 5.6.10
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.10
Output for 5.6.9
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.9
Output for 5.6.8
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.6.8
Output for 5.5.35
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.35
Output for 5.5.34
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.34
Output for 5.5.33
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.33
Output for 5.5.32
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.32
Output for 5.5.31
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.31
Output for 5.5.30
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.30
Output for 5.5.29
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.29
Output for 5.5.28
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.28
Output for 5.5.27
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.27
Output for 5.5.26
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.26
Output for 5.5.25
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.25
Output for 5.5.24
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.5.24
Output for 5.4.45
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.45
Output for 5.4.44
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.44
Output for 5.4.43
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.43
Output for 5.4.42
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.42
Output for 5.4.41
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.41
Output for 5.4.40
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.40
Output for 5.4.39
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.39
Output for 5.4.38
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.38
Output for 5.4.37
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.37
Output for 5.4.36
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.36
Output for 5.4.35
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.35
Output for 5.4.34
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.34
Output for 5.4.32
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.32
Output for 5.4.31
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.31
Output for 5.4.30
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.30
Output for 5.4.29
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.29
Output for 5.4.28
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.28
Output for 5.4.27
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.27
Output for 5.4.26
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.26
Output for 5.4.25
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.25
Output for 5.4.24
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.24
Output for 5.4.23
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.23
Output for 5.4.22
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.22
Output for 5.4.21
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.21
Output for 5.4.20
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.20
Output for 5.4.19
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.19
Output for 5.4.18
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.18
Output for 5.4.17
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.17
Output for 5.4.16
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.16
Output for 5.4.15
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.15
Output for 5.4.14
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.14
Output for 5.4.13
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.13
Output for 5.4.12
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.12
Output for 5.4.11
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.11
Output for 5.4.10
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.10
Output for 5.4.9
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.9
Output for 5.4.8
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.8
Output for 5.4.7
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.7
Output for 5.4.6
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.6
Output for 5.4.5
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.5
Output for 5.4.4
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.4
Output for 5.4.3
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.3
Output for 5.4.2
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.2
Output for 5.4.1
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.1
Output for 5.4.0
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.4.0
Output for 5.3.29
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.29
Output for 5.3.28
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.28
Output for 5.3.27
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.27
Output for 5.3.26
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.26
Output for 5.3.25
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.25
Output for 5.3.24
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.24
Output for 5.3.23
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.23
Output for 5.3.22
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.22
Output for 5.3.21
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.21
Output for 5.3.20
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.20
Output for 5.3.19
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.19
Output for 5.3.18
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.18
Output for 5.3.17
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.17
Output for 5.3.16
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.16
Output for 5.3.15
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.15
Output for 5.3.14
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.14
Output for 5.3.13
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.13
Output for 5.3.12
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.12
Output for 5.3.11
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.11
Output for 5.3.10
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.10
Output for 5.3.9
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.9
Output for 5.3.8
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.8
Output for 5.3.7
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.7
Output for 5.3.6
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.6
Output for 5.3.5
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.5
Output for 5.3.4
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.4
Output for 5.3.3
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.3
Output for 5.3.2
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.2
Output for 5.3.1
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.1
Output for 5.3.0
array(4) { [0]=> string(3) "abc" [1]=> string(3) "tes" [2]=> string(4) "Test" [3]=> string(5) "tests" } 5.3.0
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/VkLt5 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/VkLt5 on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/VkLt5 on line 4
Process exited with code 255.