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php arsort() function

Chinese translationRecent Updates：2018-04-18 16:58:58

英[sɔ:t] 　　美[sɔ:rt] 　　

n.Classification, category; quality, nature; method; a group

vt.& vi.Classification; rectification, arrangement ; suitable for

vt. to select; to classify; to put in order

vi. to classify; to communicate; to coordinate

Third person singular: sorts Plural: sorts Present participle: sorting past tense: sorted past participle: sorted

php arsort() function Video explanation

php arsort() function syntax

Function:Sort the associative array in descending order according to the key value

Syntax: arsort(array,sortingtype)

Parameters :

Parameter	Description
array	Required. Specifies the array to be sorted.
sortingtype	Optional. Specifies how the elements/items of an array are arranged. Possible values: 0 = SORT_REGULAR - Default. Put each item in regular order (Standard ASCII, don't change the type). 1 = SORT_NUMERIC - treat each item as a number. 2 = SORT_STRING - Treat each item as a string. 3 = SORT_LOCALE_STRING - Treat each item as a string, based on the current locale (can be changed with setlocale()). 4 = SORT_NATURAL - Treat each item as a string, using natural sorting like natsort(). 5 = SORT_FLAG_CASE - Strings can be sorted in combination (bitwise OR) with SORT_STRING or SORT_NATURAL, case-insensitively.

Description: Sort the array in reverse and maintain the index relationship. Mainly used for sorting associative arrays where the order of cells is important. The optional second parameter contains additional sorting flags. Returns TRUE if successful, FALSE otherwise.

php arsort() function example

<?php
$age=array("西门"=>"60","灭绝"=>"56","无忌"=>"31");
arsort($age);
print_r($age);
?>

Click the "Run instance" button to view the online instance

Output:

Array ( [西门] => 60 [灭绝] => 56 [无忌] => 31 )

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