zend_check_arg_send_type 905 Zend/zend_compile.h zend_check_arg_send_type(zf, arg_num, ZEND_SEND_BY_REF) zend_check_arg_send_type 908 Zend/zend_compile.h zend_check_arg_send_type(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF) zend_check_arg_send_type 911 Zend/zend_compile.h zend_check_arg_send_type(zf, arg_num, ZEND_SEND_PREFER_REF)