register_user_shutdown_function 1827 ext/session/session.c 			if (!register_user_shutdown_function("session_shutdown", sizeof("session_shutdown"), &shutdown_function_entry TSRMLS_CC)) {
register_user_shutdown_function  260 ext/standard/basic_functions.h PHPAPI extern zend_bool register_user_shutdown_function(char *function_name, size_t function_len, php_shutdown_function_entry *shutdown_function_entry TSRMLS_DC);