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Introduce a filter to control the minimum characters required for an AJAX term search. Fixes #13580. Props iamfriendly, brianlayman 

Built from https://develop.svn.wordpress.org/trunk@28892


git-svn-id: http://core.svn.wordpress.org/trunk@28691 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
John Blackbourn 2014-06-29 10:05:16 +00:00
parent e7f7fcbab8
commit 306dc7e646
1 changed files with 19 additions and 2 deletions
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21
wp-admin/includes/ajax-actions.php
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@ -124,8 +124,25 @@ function wp_ajax_ajax_tag_search() {
$s = $s[count( $s ) - 1];
}
$s = trim( $s );
if ( strlen( $s ) < 2 )
wp_die(); // require 2 chars for matching
/**
* Filter the minimum number of characters required to fire a tag search via AJAX.
*
* @since 4.0.0
*
* @param int $characters The minimum number of characters required. Default 2.
* @param object $tax The taxonomy object.
* @param string $s The search term.
*/
$term_search_min_chars = (int) apply_filters( 'term_search_min_chars', 2, $tax, $s );
/*
* Require $term_search_min_chars chars for matching (default: 2)
* ensure it's a non-negative, non-zero integer.
*/
if ( ( $term_search_min_chars == 0 ) || ( strlen( $s ) < $term_search_min_chars ) ){
wp_die();
}
$results = get_terms( $taxonomy, array( 'name__like' => $s, 'fields' => 'names', 'hide_empty' => false ) );