In PHP there are some sorting function .These function are used to sort the array.

sort() : 

This function is used to sort in ascending alphabetical order.

<?php
$mobile = array("Samsung", "Nokia", "Micromax");
sort($mobile); $length = count($mobile);
for($a = 0; $a < $length; $a++) {
    echo $mobile[$a];
    echo "<br>";
}
?>

  Output: 

Micromax

Nokia

Samsung

rsort():

This function is used to sort in descending alphabetical order.

<?php
$mobile = array("Samsung", "Nokia", "Micromax");
rsort($mobile);
$length = count($mobile);
for($a = 0; $a < $length; $a++) {
    echo $mobile[$a];
    echo "<br>";
}
?>

  Output: 

Samsung

Nokia

Micromax

asort():

Sort an associative array in ascending order, according to the value.

<?php
$salary = array("Neha"=>"35000", "Shikha"=>"45000", "Ravi"=>"40000");
asort($salary);
foreach($salary as $a => $a_value) {
    echo "Key=" . $a . ", Value=" . $a_value;
    echo "<br>";
}
?>

  Output: 

Key=Neha, Value=35000

Key=Ravi, Value=40000

Key=Shikha, Value=45000

 ksort():

Sort an associative array in ascending order, according to the key.

<?php
$salary = array("Shikha"=>"45000", "Neha"=>"35000", "Ravi"=>"40000");
ksort($salary);
foreach($salary as $a => $a_value) {
    echo "Key=" . $a . ", Value=" . $a_value;
    echo "<br>";
}
?>

  Output: 

Key=Neha, Value=35000

Key=Ravi, Value=40000

Key=Shikha, Value=45000 

arsort():

Sort an associative array in descending order, according to the key.

<?php
$salary = array("Shikha"=>"45000", "Neha"=>"35000", "Ravi"=>"40000");
arsort($salary);
foreach($salary as $a => $a_value) {
    echo "Key=" . $a . ", Value=" . $a_value;
    echo "<br>";
}
?>

  Output: 

Key=Shikha, Value=45000

Key=Ravi, Value=40000

Key=Neha, Value=35000

 krsort():

Sort an associative array in descending order, according to the key.

<?php
$salary = array("Shikha"=>"45000", "Neha"=>"35000", "Ravi"=>"40000");
krsort($salary);
foreach($salary as $a => $a_value) {
    echo "Key=" . $a . ", Value=" . $a_value;
    echo "<br>";
}
?>

  Output: 

Key=Shikha, Value=45000

Key=Ravi, Value=40000

Key=Neha, Value=35000


 

  Modified On Mar-15-2018 05:24:30 AM

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