WP_Tax_Query::sanitize_relation( string $relation )

Sanitize a ‘relation’ operator.

Parameters Parameters


(string) (Required) Raw relation key from the query argument.

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Return Return

(string) Sanitized relation ('AND' or 'OR').

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Source Source

File: wp-includes/class-wp-tax-query.php

	public function sanitize_relation( $relation ) {
		if ( 'OR' === strtoupper( $relation ) ) {
			return 'OR';
		} else {
			return 'AND';

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Changelog Changelog

Version Description
4.1.0 Introduced.

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