


About the application of knowledge related to PHP array sorting
PHP Array sorting plays an important role in PHP. This article provides a detailed explanation of it.
PHP - Array sorting function
In this chapter, we will introduce the following PHP array sorting functions one by one:
sort() - Sort the array in ascending order
rsort() - Sort the array in descending order
asort() - Sort the array in ascending order based on the values of the associative array
ksort() - Sort the array in ascending order based on the keys of the associative array Sort the array in ascending order
arsort() - Sort the array in descending order based on the values of the associative array
krsort() - Sort the array in descending order based on the keys of the associative array Descending order
sort() - Sort the array in ascending order
The following example sorts the elements in the $cars array in ascending alphabetical order:
Example
<?php $cars=array("Volvo","BMW","Toyota"); sort($cars); ?>
The following example sorts the elements in the $numbers array in ascending numerical order:
Example
<?php $numbers=array(4,6,2,22,11); sort($numbers); ?>
rsort() - Sorts the array in descending order
The following example will The elements in the $cars array are sorted in descending alphabetical order:
Example
<?php $cars=array("Volvo","BMW","Toyota"); rsort($cars); ?>
The following example sorts the elements in the $numbers array in descending numerical order:
Example
<?php $numbers=array(4,6,2,22,11); rsort($numbers); ?>
asort() - Sort the array in ascending order according to the value of the array
The following example sorts the associative array in ascending order according to the value of the array:
Example
<?php $age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43"); asort($age); ?>
ksort() - Sort the array in ascending order according to the key of the array
The following example sorts the associative array in ascending order according to the key of the array:
Example
$age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43");
ksort($ age);
?>
arsort() - Sort the array in descending order according to the value of the array
The following example sorts the associative array in descending order according to the value of the array:
Example
<?php $age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43"); arsort($age); ?>
krsort() - Sort the array in descending order according to the key of the array
The following example sorts the associative array in descending order according to the key of the array:
Example
<?php $age=array("Peter"=>"35","Ben"=>"37","Joe"=>"43"); krsort($age); ?>
This article provides a detailed explanation of php array sorting. For more learning materials, please pay attention to the php Chinese website.
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The above is the detailed content of About the application of knowledge related to PHP array sorting. For more information, please follow other related articles on the PHP Chinese website!

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