EXTR_PREFIX_IF_EXISTS 110 ext/standard/array.c REGISTER_LONG_CONSTANT("EXTR_PREFIX_IF_EXISTS", EXTR_PREFIX_IF_EXISTS, CONST_CS | CONST_PERSISTENT); EXTR_PREFIX_IF_EXISTS 1306 ext/standard/array.c if (extract_type > EXTR_SKIP && extract_type <= EXTR_PREFIX_IF_EXISTS && ZEND_NUM_ARGS() < 3) { EXTR_PREFIX_IF_EXISTS 1370 ext/standard/array.c case EXTR_PREFIX_IF_EXISTS: