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<?php $arr = array(1,3,2,8,5,7,4,0); $array_length = count($arr); for ($i=0; $i<$array_length; $i++) { for ($j=0; $j<$array_length-1-$i; $j++) { if ($arr[$j+1] < $arr[$j]) { $tmp = $arr[$j]; $arr[$j] = $arr[$j+1]; $arr[$j+1] = $tmp; } } } var_dump(arr);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "arr" in /in/1AeuN:13 Stack trace: #0 {main} thrown in /in/1AeuN on line 13
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant arr - assumed 'arr' (this will throw an Error in a future version of PHP) in /in/1AeuN on line 13 string(3) "arr"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant arr - assumed 'arr' in /in/1AeuN on line 13 string(3) "arr"

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