WP_Tax_Query::sanitize_relation( string $relation ): string

Sanitizes a ‘relation’ operator.

Parameters

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

File: wp-includes/class-wp-tax-query.php. View all references

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

Used By
Used By	Description
WP_Tax_Query::sanitize_query() wp-includes/class-wp-tax-query.php	Ensures the ‘tax_query’ argument passed to the class constructor is well-formed.
WP_Tax_Query::__construct() wp-includes/class-wp-tax-query.php	Constructor.

Changelog
Version	Description
4.1.0	Introduced.

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