WC_Data_Store_WP::update_or_delete_post_meta() │ protected │ WC 3.6.0

Update meta data in, or delete it from, the database.

Avoids storing meta when it's either an empty string or empty array. Other empty values such as numeric 0 and null should still be stored. Data-stores can force meta to exist using must_exist_meta_keys.

Note: WordPress get_metadata function returns an empty string when meta data does not exist.

Method of the class: WC_Data_Store_WP{}

No Hooks.

Return

true|false. True if updated/deleted.

Usage

// protected - for code of main (parent) or child class
$result = $this->update_or_delete_post_meta( $object, $meta_key, $meta_value );

$object(WC_Data) (required)

The WP_Data object (WC_Coupon for coupons, etc).

$meta_key(string) (required)

Meta key to update.

$meta_value(mixed) (required)

Value to save.

Changelog

WC_Data_Store_WP::update_or_delete_post_meta() WC Data Store WP::update or delete post meta code ^{WC 9.3.3}

protected function update_or_delete_post_meta( $object, $meta_key, $meta_value ) {
	if ( in_array( $meta_value, array( array(), '' ), true ) && ! in_array( $meta_key, $this->must_exist_meta_keys, true ) ) {
		$updated = delete_post_meta( $object->get_id(), $meta_key );
	} else {
		$updated = update_post_meta( $object->get_id(), $meta_key, $meta_value );
	}

	return (bool) $updated;
}