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<?php $array = array('8','4','5','0','1'); echo '<pre>';print_r($array); function bubble_sort($arr){ $size = count($array); for($i=0;$i<$size;$i++){ for($j=0;$j<$size-1-$i;$j++){ if($array[$j+1]<$array[$j]){ swap($array,$j,$j+1); } } } return $array; } function swap($arr,$a,$b){ $temp = $arr[$a]; $arr[$a] = $arr[$b]; $arr[$b] = $temp; } $array1 = bubble_sort($array); echo "<pre>";print_r($array1);
Output for git.master, git.master_jit, rfc.property-hooks
<pre>Array ( [0] => 8 [1] => 4 [2] => 5 [3] => 0 [4] => 1 ) Warning: Undefined variable $array in /in/b3Giu on line 7 Fatal error: Uncaught TypeError: count(): Argument #1 ($value) must be of type Countable|array, null given in /in/b3Giu:7 Stack trace: #0 /in/b3Giu(41): bubble_sort(Array) #1 {main} thrown in /in/b3Giu on line 7
Process exited with code 255.

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