WP PLUGIN

・選択カスタムフィールドをオートコンプリートに変更

util/apop-customfield-select.php

@@ -7,25 +7,29 @@ if ( ! trait_exists( 'CUSTOMFIELD_SELECT' ) ) {
 
 	trait CUSTOMFIELD_SELECT {
 
-		public static function set_all_customfield_select( $name_meta_key, $meta_key ) {
-			$selects = self::get_all_custom_fields();
-			echo '<select class="custom_field_key_select" name="' . esc_attr( $name_meta_key ) . '" required>';
-			foreach ( $selects as $select ) {
-				if ( $select->meta_key == $meta_key ) {
-					$selected = ' selected';
-				} else {
-					$selected = '';
-				}
-				echo '<option value="' . esc_attr( $select->meta_key ) . '"' . esc_attr( $selected ) . '>' . esc_html( $select->meta_key ) . '</option>';
-			}
-			echo '</select>';
+		public function set_custom_field_ajax() {
+			$handle = 'custom_field_ajax';
+			wp_register_script( $handle, APOP_PLUGIN_URL . 'js/custom_field.js', [ 'jquery' ], '', true );
+			$localize = [
+				'ajax_url' => admin_url( 'admin-ajax.php' ),
+				'action'   => 'set_custom_field',
+			];
+			wp_localize_script( $handle, 'localize', $localize );
+			wp_enqueue_script( $handle );
 		}
 
-		private static function get_all_custom_fields() {
+		public function set_custom_field() {
+			$param = filter_input( INPUT_GET, 'param', FILTER_SANITIZE_STRING );
+			echo json_encode( $this->get_custom_fields_by_param( $param ) );
+			die();
+		}
+
+		private function get_custom_fields_by_param( $param ) {
 			global $wpdb;
+			$stmnt = "SELECT DISTINCT meta_key AS value, meta_key as label FROM $wpdb->postmeta WHERE meta_key LIKE %s AND meta_key NOT LIKE %s";
 
-			//アンダーバーで始まるシステム系のパラメータは除外する
-			return $wpdb->get_results( 'SELECT DISTINCT meta_key FROM ' . $wpdb->prefix . 'postmeta WHERE meta_key NOT LIKE ' . "'\_%' ORDER BY meta_key ASC" );
+			return $wpdb->get_results( $wpdb->prepare( $stmnt, $wpdb->esc_like( $param ) . '%', $wpdb->esc_like( '_%' ) ) );
 		}
+
 	}
 }