<?php
$v = [2,0,4,3,1];
$i = 0;
$j = 0;
$a = 0;
for($i=0;$i<3;$i++){
for($j=0;$j<(3-i);$j++){
if($v[$j]>$v[$j+1]){
$a = $v[$j];
$v[$j] = $v[$j+1];
$v[$j+1] = $a;
}
echo '0: ' + $v[0]+'1: ' + $v[1] + ' 2: ' + $v[2] + ' 3: ' + $v[3] + ' 4: ' + $v[4];
}
}
// your code goes here
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