Automattic\WooCommerce\StoreApi\Utilities

QuantityLimits::is_multiple_of │ protected │ WC 1.0

Checks if a number is a multiple of another number.

Method of the class: QuantityLimits{}

No Hooks.

Returns

true|false.

Usage

// protected - for code of main (parent) or child class
$result = $this->is_multiple_of( $number, $multiple_of );
$number(int|float) (required)
The number to check.
$multiple_of(int|float) (required)
The multiple.

QuantityLimits::is_multiple_of() code WC 10.9.1

woocommerce/src/StoreApi/Utilities/QuantityLimits.php 
protected function is_multiple_of( $number, $multiple_of ) {
	if ( 0 >= $multiple_of ) {
		return false;
	}

	$division_result = $number / $multiple_of;
	// Use tolerance for floating-point comparison to handle precision errors.
	// Example: 0.3 / 0.1 = 2.9999999999999996 instead of exactly 3.0 due to floating-point precision.
	return abs( $division_result - round( $division_result ) ) < 0.0001;
}