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wp_ajax_ajax_tag_search ›

Since3.1.0
Deprecated5.0.0
wp_ajax_ajax_tag_search ( No parameters )
Defined at:
Codex:

Ajax handler for tag search.



Source

function wp_ajax_ajax_tag_search() {
	_deprecated_function( __FUNCTION__, '5.0.0', '/wp-json/wp/v2/tags' );

	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 );

	/** This filter is documented in wp-includes/script-loader.php */
	$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();
}