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PHP Manual :: Collator::asort



Collator || Collator::compare || PHP Manual

(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)

Collator::asort -- collator_asortSort array maintaining index association

Description

Object oriented style

public bool Collator::asort ( array &$arr [, int $sort_flag ] )

Procedural style

bool collator_asort ( Collator $coll , array &$arr [, int $sort_flag ] )

This function sorts an array such that array indices maintain their correlation with the array elements they are associated with. This is used mainly when sorting associative arrays where the actual element order is significant. Array elements will have sort order according to current locale rules.

Equivalent to standard PHP asort().

Parameters

coll

Collator object.

arr

Array of strings to sort.

sort_flag

Optional sorting type, one of the following:

  • Collator::SORT_REGULAR - compare items normally (don't change types)

  • Collator::SORT_NUMERIC - compare items numerically

  • Collator::SORT_STRING - compare items as strings

Default $sort_flag value is Collator::SORT_REGULAR. It is also used if an invalid $sort_flag value has been specified.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 collator_asort()example

<?php
$coll 
collator_create'en_US' );
$arr = array(
     
'a' => '100',
     
'b' => '50',
     
'c' => '7'
);
collator_asort$coll$arrCollator::SORT_NUMERIC );
var_export$arr );

collator_asort$coll$arrCollator::SORT_STRING );
var_export$arr );
?>

The above example will output:

array (
  'c' => '7',
  'b' => '50',
  'a' => '100',
)array (
  'a' => '100',
  'b' => '50',
  'c' => '7',
)

See Also



Collator || Collator::compare || PHP Manual
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