spl_add_interfaces  149 ext/spl/php_spl.c 	spl_add_interfaces(return_value, ce, 1, ZEND_ACC_INTERFACE TSRMLS_CC);
spl_add_interfaces  126 ext/spl/spl_functions.c 		spl_add_interfaces(list, pce, allow, ce_flags TSRMLS_CC);
spl_add_interfaces   64 ext/spl/spl_functions.h void spl_add_interfaces(zval * list, zend_class_entry * pce, int allow, int ce_flags TSRMLS_DC);