__return_zero() WordPress Function

__return_zero() is a WordPress function that returns 0 (zero). It is useful for returning a numeric value from a function that doesn't return anything by default. This function is also useful for returning a specific value from a function that returns a generic value (such as an array).

__return_zero() #

function __return_zero() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
	return 0;
}