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run code in 300+ PHP versions simultaneously
<?php function swapOffsets(array $array, $offset1, $offset2) { list($offset1, $offset2) = array(min($offset1, $offset2), max($offset1, $offset2)); return array_merge( array_slice($array, 0, $offset1, true), array_slice($array, $offset2, 1, true), array_slice($array, $offset1 + 1, $offset2 - $offset1 - 1, true), array_slice($array, $offset1, 1, true), array_slice($array, $offset2 + 1, null, true) ); } var_dump(swapOffsets(['a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, 'e' => 5], 1, 3));
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
array(5) { ["a"]=> int(1) ["d"]=> int(4) ["c"]=> int(3) ["b"]=> int(2) ["e"]=> int(5) }
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/9B5Zk on line 15
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_ARRAY, expecting '&' or T_VARIABLE in /in/9B5Zk on line 3
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_ARRAY, expecting ')' in /in/9B5Zk on line 3
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
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/9B5Zk on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/9B5Zk on line 3
Process exited with code 255.

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