3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $rgData = array( 3 => 1, 5 => 0, 1 => 2, 9 => 0, 0 => 1, 4 => 2, 2 => 1, 7 => 0, 6 => 0, 8 => 0, ); $keys = array_keys($rgData); // Sort the array's keys usort($keys, function($a, $b) use($rgData){ $aVal = $rgData[$a]; $bVal = $rgData[$b]; // Compare the values if($aVal === $bVal){ // If they are the same, compare the keys return $a - $b; } // Otherwise compare the values return $aVal - $bVal; }); print_r($rgData);
Output for 5.3.0 - 7.1.0
Array ( [3] => 1 [5] => 0 [1] => 2 [9] => 0 [0] => 1 [4] => 2 [2] => 1 [7] => 0 [6] => 0 [8] => 0 )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/sPiLS on line 19
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 T_FUNCTION in /in/sPiLS on line 19
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/sPiLS on line 19
Process exited with code 255.