3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $input = array( 'a' => 'b', 'c' => 'd', 'e' => 'f', 'g' => 'h', 'i' => 'j', 'k' => 'l', ); $replacement = null; $offset = -3; // illegal offset - MAGIC? $length = 2; if ($replacement === null) { // + operator with null causes FATAL ERROR! $replacement = array(); } if (empty($input)) { $input = $replacement; return; } // split array at $offset and prevent keys (4th argument) $beforeItems = array_slice($input, 0, $offset, true); $afterItems = array_slice($input, $offset, null, true); if ($length !== null) { $length = (int)$length; // remove items while ($length > 0) { array_shift($afterItems); $length--; } } $input = $beforeItems + $replacement + $afterItems; print_r($input);
Output for 5.2.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [a] => b [c] => d [e] => f [k] => l )
Output for 5.0.2 - 5.2.3
Array ( [a] => b [c] => d [e] => f )
Output for 4.3.2 - 5.0.1
Warning: Wrong parameter count for array_slice() in /in/RD9pk on line 25 Warning: Wrong parameter count for array_slice() in /in/RD9pk on line 26 Warning: array_shift(): The argument should be an array in /in/RD9pk on line 32 Warning: array_shift(): The argument should be an array in /in/RD9pk on line 32 Fatal error: Unsupported operand types in /in/RD9pk on line 37
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Warning: Wrong parameter count for array_slice() in /in/RD9pk on line 25 Warning: Wrong parameter count for array_slice() in /in/RD9pk on line 26 Warning: array_shift() [http://www.php.net/function.array-shift]: The argument should be an array in /in/RD9pk on line 32 Warning: array_shift() [http://www.php.net/function.array-shift]: The argument should be an array in /in/RD9pk on line 32 Fatal error: Unsupported operand types in /in/RD9pk on line 37