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<?php class A { function b() { static $count; if (null === $count) { $count = 1; return ['a', 'b']; } return $count++; } } $a = new A; var_dump($a->b(), $a->b()); $a = new A; var_dump($a->b()[$a->b()]);
Output for 8.3.0 - 8.3.6
array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } int(1) Warning: Trying to access array offset on int in /in/vkCd1 on line 21 NULL
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } int(1) Warning: Trying to access array offset on value of type int in /in/vkCd1 on line 21 NULL
Output for 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } int(1) Notice: Trying to access array offset on value of type int in /in/vkCd1 on line 21 NULL
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.26
array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } int(1) NULL
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/vkCd1 on line 9
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, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/vkCd1 on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/vkCd1 on line 9
Process exited with code 255.
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292.95 ms | 401 KiB | 460 Q