php_free_gd_image  998 ext/gd/gd.c    static void php_free_gd_image(zend_resource *rsrc)
php_free_gd_image 1033 ext/gd/gd.c    	le_gd = zend_register_list_destructors_ex(php_free_gd_image, NULL, "gd", module_number);