Automattic\WooCommerce\Utilities

NumberUtil::normalize │ public static │ WC 1.0

Converts numbers (floats, strings, integers) to numeric values to be safely used in PHP functions like floor() which expect int or float.

Method of the class: NumberUtil{}

No Hooks.

Returns

Int|float|Mixed. Returns the numeric value or the fallback value if conversion fails.

Usage

$result = NumberUtil::normalize( $value, $fallback );
$value(mixed) (required)
The value to convert.
$fallback(mixed)
The value to return if the conversion fails.

NumberUtil::normalize() code WC 10.3.6

woocommerce/src/Utilities/NumberUtil.php 
public static function normalize( $value, $fallback = 0 ) {
	// Trim string values to handle whitespace consistently across PHP versions.
	if ( is_string( $value ) ) {
		$value = trim( $value );
	}

	if ( is_numeric( $value ) ) {
		$numeric_value = is_string( $value ) ? floatval( $value ) : $value;

		// Round to precision to avoid floating-point precision issues.
		return is_int( $numeric_value ) ? $numeric_value : round( $numeric_value, WC_ROUNDING_PRECISION );
	}

	return $fallback;
}