zend_fetch_debug_backtrace 2110 Zend/zend_builtin_functions.c 	zend_fetch_debug_backtrace(return_value, 1, provide_object TSRMLS_CC);
zend_fetch_debug_backtrace   92 Zend/zend_exceptions.c 	zend_fetch_debug_backtrace(trace, skip_top_traces, 0 TSRMLS_CC);