Interview question in php

Question :-  

Sort an array without using any sorting function in php

Input : - $array = array(9, 2, 18, 34, 3, 10, 15);

Output : - $array = array(2,3,9, 10,15,18,34);

<?php

 

// take an array with some elements

$array = array(9, 2, 18, 34, 3, 10, 15);

// get the size of array

$count = count($array);

echo "<pre>";

// Print array elements before sorting

print_r($array);

for ($i = 0; $i < $count; $i++) {

    for ($j = $i + 1; $j < $count; $j++) {

        if ($array[$i] > $array[$j]) {

            $temp = $array[$i];

            $array[$i] = $array[$j];

            $array[$j] = $temp;

        }

    }

}

echo "Sorted Array:" . "<br/>";

// Print array elements after sorting

print_r($array);