wc_list_pluck() │ WC 3.0.0

Based on wp_list_pluck, this calls a method instead of returning a property.

No Hooks.

Returns

Array. Array of values.

Usage

wc_list_pluck( $list, $callback_or_field, $index_key );

$list(array) (required)

List of objects or arrays.

$callback_or_field(int|string) (required)

Callback method from the object to place instead of the entire object.

$index_key(int|string)

Field from the object to use as keys for the new array.
Default: null

Changelog

wc_list_pluck() wc list pluck code ^{WC 10.3.6}

function wc_list_pluck( $list, $callback_or_field, $index_key = null ) {
	// Use wp_list_pluck if this isn't a callback.
	$first_el = current( $list );
	if ( ! is_object( $first_el ) || ! is_callable( array( $first_el, $callback_or_field ) ) ) {
		return wp_list_pluck( $list, $callback_or_field, $index_key );
	}
	if ( ! $index_key ) {
		/*
		 * This is simple. Could at some point wrap array_column()
		 * if we knew we had an array of arrays.
		 */
		foreach ( $list as $key => $value ) {
			$list[ $key ] = $value->{$callback_or_field}();
		}
		return $list;
	}

	/*
	 * When index_key is not set for a particular item, push the value
	 * to the end of the stack. This is how array_column() behaves.
	 */
	$newlist = array();
	foreach ( $list as $value ) {
		// Get index. @since 3.2.0 this supports a callback.
		if ( is_callable( array( $value, $index_key ) ) ) {
			$newlist[ $value->{$index_key}() ] = $value->{$callback_or_field}();
		} elseif ( isset( $value->$index_key ) ) {
			$newlist[ $value->$index_key ] = $value->{$callback_or_field}();
		} else {
			$newlist[] = $value->{$callback_or_field}();
		}
	}
	return $newlist;
}