# boxzilla/3.2.21/src/admin/class-autocomplete.php

Boxzilla – WordPress Popup Builder, version 3.2.21. 113 lines.

- Page: https://pluginprobe.com/plugins/boxzilla/3.2.21/code/src/admin/class-autocomplete.php
- Raw: https://pluginprobe.com/plugins/boxzilla/3.2.21/raw/src/admin/class-autocomplete.php
- Modified: 2019-11-15T10:39:14+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/boxzilla/3.2.21/code/src/admin/class-autocomplete.php#L10-L20`.

```php
<?php

namespace Boxzilla\Filter;

class Autocomplete {

	public function init() {
		add_action( 'wp_ajax_boxzilla_autocomplete', array( $this, 'ajax' ) );
	}

	/**
	 * AJAX listener for autocomplete
	 */
	public function ajax() {
		$q    = ( isset( $_GET['q'] ) ) ? sanitize_text_field( $_GET['q'] ) : '';
		$type = ( isset( $_GET['type'] ) && in_array( $_GET['type'], array( 'page', 'post', 'category', 'post_type', 'post_tag' ), true ) ) ? $_GET['type'] : 'post';

		// do nothing if supplied 'q' parameter is omitted or empty
		// or less than 2 characters long
		if ( empty( $q ) || strlen( $q ) < 2 ) {
			die();
		}

		switch ( $type ) {

			default:
			case 'post':
			case 'page':
				echo $this->list_posts( $q, $type );
				break;

			case 'category':
				echo $this->list_categories( $q );
				break;

			case 'post_type':
				echo $this->list_post_types( $q );
				break;

			case 'post_tag':
				echo $this->list_tags( $q );
				break;
		}

		die();
	}

	/**
	 * @param string $query
	 * @param string $post_type
	 *
	 * @return string
	 */
	protected function list_posts( $query, $post_type = 'post' ) {
		global $wpdb;
		$sql        = $wpdb->prepare( "SELECT p.post_name FROM $wpdb->posts p WHERE p.post_type = %s AND p.post_status = 'publish' AND ( p.post_title LIKE %s OR p.post_name LIKE %s ) GROUP BY p.post_name", $post_type, $query . '%%', $query . '%%' );
		$post_slugs = $wpdb->get_col( $sql );
		return join( $post_slugs, PHP_EOL );
	}

	/**
	 * @param string $query
	 *
	 * @return string
	 */
	protected function list_categories( $query ) {
		$terms = get_terms(
			'category',
			array(
				'name__like' => $query,
				'fields'     => 'names',
				'hide_empty' => false,
			)
		);
		return join( $terms, PHP_EOL );
	}

	/**
	 * @param string $query
	 *
	 * @return string
	 */
	protected function list_tags( $query ) {
		$terms = get_terms(
			'post_tag',
			array(
				'name__like' => $query,
				'fields'     => 'names',
				'hide_empty' => false,
			)
		);
		return join( $terms, PHP_EOL );
	}


	/**
	 * @param string $query
	 *
	 * @return string
	 */
	protected function list_post_types( $query ) {
		$post_types         = get_post_types( array( 'public' => true ), 'names' );
		$matched_post_types = array_filter(
			$post_types,
			function ( $name ) use ( $query ) {
				return strpos( $name, $query ) === 0;
			}
		);

		return join( $matched_post_types, PHP_EOL );
	}
}

```