PHP asort() function

PHP Array Functions

Mga halimbawa

Tatalaga ng pagtatalaga ng puno ng kailangan para sa talaan ng asosasyon sa pagtaas ng talaan:

<?php
$age=array("Bill"=>"60","Steve"=>"56","Mark"=>"31");
asort($age);
?>

Pagpapatapos ng mga pagtataya

Pangangatwiran at paggamit

Ang function na asort() ay nagtatalaga ng pagtatalaga ng talaan ng kailangan para sa pagtatalaga ng puno ng kailangan sa talaan ng asosasyon sa pagtaas ng talaan.

Tips:Please use arsort() The function sorts an associative array in descending order by key value.

Tips:Please use ksort() The function sorts an associative array in ascending order by key name.

Syntax

asort(array,sortingtype);
Parameters Description
array Required. Specifies the array to be sorted.
sortingtype

Optional. Specifies how to sort the elements/items of the array. Possible values:

  • 0 = SORT_REGULAR - Default. Sort each item in the standard order (Standard ASCII, do not change 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 setting (can be changed via setlocale())
  • 4 = SORT_NATURAL - Treat each item as a string, using a natural sorting similar to natsort()
  • 5 = SORT_FLAG_CASE - Can be combined (bitwise OR) with SORT_STRING or SORT_NATURAL to sort strings without case sensitivity

Description

The asort() function sorts an array while maintaining the index relationship. It is mainly used to sort combined arrays where the order of the units is very important.

The optional second parameter includes additional sorting identifiers.

Returns TRUE if successful, otherwise FALSE.

Technical Details

Return Value: Returns TRUE if successful, otherwise FALSE.
PHP Version: 4+

PHP Array Functions