zend_fetch_debug_backtrace 2409 Zend/zend_builtin_functions.c zend_fetch_debug_backtrace(return_value, 1, options, limit TSRMLS_CC); zend_fetch_debug_backtrace 161 Zend/zend_exceptions.c zend_fetch_debug_backtrace(trace, skip_top_traces, 0, 0 TSRMLS_CC); zend_fetch_debug_backtrace 214 ext/mysqlnd/mysqlnd_bt.c zend_fetch_debug_backtrace(trace, 0, 0, 0 TSRMLS_CC);