... You can also print execution information, such as the current file being executed. The name of the function currently being executed can be retrieved using the function get_active_function_name() . ... Printing execution information. zend_printf("The name of the current function is %s<br>", get_active_function_name()); zend_printf("The file currently executed is %s<br>", zend_get_executed_filename(ELS_C)); zend_printf("The current line being executed is %i<br>", zend_get_executed_lineno(ELS_C)); . ...