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run code in 150+ php & hhvm versions
Bugs & Features
<?php function swapOffsets(array $array, $offset1, $offset2) { $keys = array_keys($array); $key1 = $keys[$offset1]; $key2 = $keys[$offset2]; $value1 = $array[$key1]; $value2 = $array[$key2]; return array_merge( array_slice($array, 0, $offset1, true), array($key2 => $value2), array_slice($array, $offset1 + 1, $offset2, true), array($key1 => $value1), array_slice($array, $offset2 + 2, null, true) ); } var_dump(swapOffsets(['a' => 1, 'b' => 2, 'c' => 3], 0, 2));
Output for 5.4.0 - 5.6.25, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(3) { ["c"]=> int(3) ["b"]=> int(2) ["a"]=> int(1) }
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/aXOqv on line 19
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/aXOqv 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/aXOqv on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_ARRAY, expecting ')' in /in/aXOqv on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `')'' in /in/aXOqv on line 3
Process exited with code 255.