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run code in 150+ php & hhvm versions
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<?php $a = [1, 2, 3]; $b = ["one", "two", "three"]; var_dump(array_map(function($number, $word) { return "$number is $word"; }, $a, $b)); ?>
Output for 5.4.0 - 7.1.0
array(3) { [0]=> string(8) "1 is one" [1]=> string(8) "2 is two" [2]=> string(10) "3 is three" }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/sr1Up 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/sr1Up on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sr1Up on line 3
Process exited with code 255.