Changeset 44537 for trunk/src/wp-admin/includes/ajax-actions.php

Timestamp:

01/10/2019 02:36:40 AM (7 years ago)

Author:

desrosj

Message:

REST API: Restore use of wp_ajax_ajax_tag_search() for tag search.

This solution does not work with custom taxonomies in the current state.

Reverts [42614,42619,42737].

Props danielbachhuber.
See #38922.

File:

• trunk/src/wp-admin/includes/ajax-actions.php (modified) (1 diff)

trunk/src/wp-admin/includes/ajax-actions.php

@@ -98 +98 @@
 
     wp_die( 0 );
+}
+
+/**
+ * Ajax handler for tag search.
+ *
+ * @since 3.1.0
+ */
+function wp_ajax_ajax_tag_search() {
+    if ( ! isset( $_GET['tax'] ) ) {
+        wp_die( 0 );
+    }
+
+    $taxonomy = sanitize_key( $_GET['tax'] );
+    $tax      = get_taxonomy( $taxonomy );
+    if ( ! $tax ) {
+        wp_die( 0 );
+    }
+
+    if ( ! current_user_can( $tax->cap->assign_terms ) ) {
+        wp_die( -1 );
+    }
+
+    $s = wp_unslash( $_GET['q'] );
+
+    $comma = _x( ',', 'tag delimiter' );
+    if ( ',' !== $comma ) {
+        $s = str_replace( $comma, ',', $s );
+    }
+    if ( false !== strpos( $s, ',' ) ) {
+        $s = explode( ',', $s );
+        $s = $s[ count( $s ) - 1 ];
+    }
+    $s = trim( $s );
+
+    /**
+     * Filters 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 WP_Taxonomy $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,
+        )
+    );
+
+    echo join( $results, "\n" );
+    wp_die();
 }