__return_empty_string() WordPress Function

The __return_empty_string() function is a simple utility function that returns an empty string. This function is useful for returning an empty value from a filter or action callback.

__return_empty_string() #

// This will add a filter on `example_filter` that returns an empty string
add_filter( 'example_filter', '__return_empty_string' ); 

function __return_empty_string() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
	return '';
}