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run code in 150+ php & hhvm versions
Bugs & Features
<?php $userIds = [1, 2, 3, 4, 5]; $userIdKeys = array_map(function ($index) { return ":userId_{$index}"; }, range(0, count($userIds) - 1)); $userIds = array_combine($userIdKeys, $userIds); $userIdKeyString = implode(',', $userIdKeys); var_dump($userIdKeyString, $userIds);
Output for 5.4.0 - 7.1.0
string(49) ":userId_0,:userId_1,:userId_2,:userId_3,:userId_4" array(5) { [":userId_0"]=> int(1) [":userId_1"]=> int(2) [":userId_2"]=> int(3) [":userId_3"]=> int(4) [":userId_4"]=> int(5) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/qKhpU 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/qKhpU on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/qKhpU on line 3
Process exited with code 255.