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run code in 150+ php & hhvm versions
Bugs & Features
<?php $input = ["a", "b"]; function search($input) { $result = $input; foreach($input as $a) { foreach($input as $b) { $result []= $a + $b; } } //return array_unique($result); return $result; } var_dump(search($input));
Output for 7.1.0
Warning: A non-numeric value encountered in /in/SO78e on line 12 Warning: A non-numeric value encountered in /in/SO78e on line 12 Warning: A non-numeric value encountered in /in/SO78e on line 12 Warning: A non-numeric value encountered in /in/SO78e on line 12 Warning: A non-numeric value encountered in /in/SO78e on line 12 Warning: A non-numeric value encountered in /in/SO78e on line 12 Warning: A non-numeric value encountered in /in/SO78e on line 12 Warning: A non-numeric value encountered in /in/SO78e on line 12 array(6) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) }
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.14
array(6) { [0]=> string(1) "a" [1]=> string(1) "b" [2]=> int(0) [3]=> int(0) [4]=> int(0) [5]=> int(0) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/SO78e on line 3
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 '[' in /in/SO78e on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/SO78e on line 3
Process exited with code 255.