Collator::getSortKey
(PHP 5 >= 5.3.11, PHP 7, PECL intl >= 1.0.3)
Collator::getSortKey -- collator_get_sort_key — Get sorting key for a string
Description
Object oriented style
public string Collator::getSortKey ( string $str )Procedural style
string collator_get_sort_key ( Collator $coll , string $str )Return collation key for a string.
Parameters
coll
Collator object.
str
The string to produce the key from.
Return Values
Returns the collation key for the string. Collation keys can be compared directly instead of strings.
Warning
This function may return Boolean FALSE, but may also return a non-Boolean value which evaluates to FALSE. Please read the section on Booleans for more information. Use the === operator for testing the return value of this function.
Examples
Example #1 collator_get_sort_key()example
<?php
$s1 = 'Hello';
$coll = collator_create( 'en_US' );
$res = collator_get_sort_key( $coll, $s1);
echo urlencode($res);
?>The above example will output:
71%3F%3FE%01%09%01%8F%08%00
See Also
- collator_sort() - Sort array using specified collator
- collator_sort_with_sort_keys() - Sort array using specified collator and sort keys
← Collator::getLocale
Collator::getStrength →
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