Q:

PHP program to sort an integer array in ascending and descending order

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mahmoud2506
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2022-05-25
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Given an integer array and we have to sort them in ascending and descending order in PHP.

Methods to sort an array

In PHP, there are two methods which are used to sort an array,

  1. sort() – It is used to sort an array in ascending order.
  2. rsort() – It is used to sort an array in descending order.
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mahmoud2506
2022-05-25
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PHP code for sorting array in ascending order

<?php
//declaring & initializing array of integers
$array = array(10, 80, 100, 11, 22, 21, 19, 10, 88, 89);

//sorting array in ascending order
sort ($array);

//printing array elements after sorting              
foreach( $array as $num ){
    echo $num."\n";
}
?>

Output

10
10
11
19
21
22
80
88
89
100

PHP code for sorting array in descending order

<?php
//declaring & initializing array of integers
$array = array(10, 80, 100, 11, 22, 21, 19, 10, 88, 89);

//sorting array in descending order
rsort ($array);

//printing array elements after sorting              
foreach( $array as $num ){
    echo $num."\n";
}
?>

Output

100
89
88
80
22
21
19
11
10
10

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