spl_add_traits    178 ext/spl/php_spl.c 	spl_add_traits(return_value, ce, 1, ZEND_ACC_TRAIT TSRMLS_CC);
spl_add_traits     65 ext/spl/spl_functions.h void spl_add_traits(zval * list, zend_class_entry * pce, int allow, int ce_flags TSRMLS_DC);