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Collator::asort

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collator_asort

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

Collator::asort -- collator_asort — Sort array maintaining index association

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Description

Object oriented style

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

Procedural style

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

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().

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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.

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Return Values

Returns TRUE on success or FALSE on failure.

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Examples

Example #1 collator_asort()example

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

collator_asort( $coll, $arr, Collator::SORT_STRING );
var_export( $arr );
?>

The above example will output:

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

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See Also

Find a PHP function

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Document created the 30/01/2003, last modified the 26/10/2018
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References

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