Hi! Could we please enable some services and cookies to improve your experience and our website?
Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$arr = [34,1,2,7,8,9,4];
$lenght = count($arr);
while($lenght != 0){
$max_index = 0;
for($i=1;$i<$lenght;$i++){
if($arr[$i-1] > $arr[$i]){
$temp = [$i-1];
$arr[$i-1] = $arr[$i];
$arr[$i] = $temp;
unset($temp);
}
$max_index = $i;
}
$lenght =$max_index;
}
var_dump($arr);