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wc_array_merge_recursive_numeric() WC 3.2.0

Array merge and sum function.

Source: https://gist.github.com/Nickology/f700e319cbafab5eaedc

Хуков нет.

Возвращает

Массив.

Использование

wc_array_merge_recursive_numeric();

Список изменений

С версии 3.2.0 Введена.

Код wc_array_merge_recursive_numeric() WC 4.5.2

woocommerce/includes/wc-formatting-functions.php
<?php
function wc_array_merge_recursive_numeric() {
	$arrays = func_get_args();

	// If there's only one array, it's already merged.
	if ( 1 === count( $arrays ) ) {
		return $arrays[0];
	}

	// Remove any items in $arrays that are NOT arrays.
	foreach ( $arrays as $key => $array ) {
		if ( ! is_array( $array ) ) {
			unset( $arrays[ $key ] );
		}
	}

	// We start by setting the first array as our final array.
	// We will merge all other arrays with this one.
	$final = array_shift( $arrays );

	foreach ( $arrays as $b ) {
		foreach ( $final as $key => $value ) {
			// If $key does not exist in $b, then it is unique and can be safely merged.
			if ( ! isset( $b[ $key ] ) ) {
				$final[ $key ] = $value;
			} else {
				// If $key is present in $b, then we need to merge and sum numeric values in both.
				if ( is_numeric( $value ) && is_numeric( $b[ $key ] ) ) {
					// If both values for these keys are numeric, we sum them.
					$final[ $key ] = $value + $b[ $key ];
				} elseif ( is_array( $value ) && is_array( $b[ $key ] ) ) {
					// If both values are arrays, we recursively call ourself.
					$final[ $key ] = wc_array_merge_recursive_numeric( $value, $b[ $key ] );
				} else {
					// If both keys exist but differ in type, then we cannot merge them.
					// In this scenario, we will $b's value for $key is used.
					$final[ $key ] = $b[ $key ];
				}
			}
		}

		// Finally, we need to merge any keys that exist only in $b.
		foreach ( $b as $key => $value ) {
			if ( ! isset( $final[ $key ] ) ) {
				$final[ $key ] = $value;
			}
		}
	}

	return $final;
}