Current File : /home/tradesc/www/relax/wp-content/plugins/woocommerce/src/Utilities/NumberUtil.php
<?php
/**
* A class of utilities for dealing with numbers.
*/
namespace Automattic\WooCommerce\Utilities;
/**
* A class of utilities for dealing with numbers.
*/
final class NumberUtil {
/**
* Round a number using the built-in `round` function, but unless the value to round is numeric
* (a number or a string that can be parsed as a number), apply 'floatval' first to it
* (so it will convert it to 0 in most cases).
*
* This is needed because in PHP 7 applying `round` to a non-numeric value returns 0,
* but in PHP 8 it throws an error. Specifically, in WooCommerce we have a few places where
* round('') is often executed.
*
* @param mixed $val The value to round.
* @param int $precision The optional number of decimal digits to round to.
* @param int $mode A constant to specify the mode in which rounding occurs.
*
* @return float The value rounded to the given precision as a float, or the supplied default value.
*/
public static function round( $val, int $precision = 0, int $mode = PHP_ROUND_HALF_UP ) : float {
if ( ! is_numeric( $val ) ) {
$val = floatval( $val );
}
return round( $val, $precision, $mode );
}
/**
* Get the sum of an array of values using the built-in array_sum function, but sanitize the array values
* first to ensure they are all floats.
*
* This is needed because in PHP 8.3 non-numeric values that cannot be cast as an int or a float will
* cause an E_WARNING to be emitted. Prior to PHP 8.3 these values were just ignored.
*
* Note that, unlike the built-in array_sum, this one will always return a float, never an int.
*
* @param array $arr The array of values to sum.
*
* @return float
*/
public static function array_sum( array $arr ): float {
$sanitized_array = array_map( 'floatval', $arr );
return array_sum( $sanitized_array );
}
}
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