ZEND_SEND_BY_REF  905 Zend/zend_compile.h 	zend_check_arg_send_type(zf, arg_num, ZEND_SEND_BY_REF)
ZEND_SEND_BY_REF  908 Zend/zend_compile.h 	zend_check_arg_send_type(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF)
ZEND_SEND_BY_REF  931 Zend/zend_compile.h 	ZEND_CHECK_ARG_FLAG(zf, arg_num, ZEND_SEND_BY_REF)
ZEND_SEND_BY_REF  934 Zend/zend_compile.h 	ZEND_CHECK_ARG_FLAG(zf, arg_num, ZEND_SEND_BY_REF|ZEND_SEND_PREFER_REF)
ZEND_SEND_BY_REF 2777 ext/reflection/php_reflection.c 	RETVAL_BOOL(param->arg_info->pass_by_reference != ZEND_SEND_BY_REF);