maxdb_debug
(PECL maxdb >= 1.0)
maxdb_debug — Performs debugging operations
说明
maxdb_debug (
string
$debug ) :
void
The maxdb_debug() can be used to trace the SQLDBC communication. The following strings can be used as a parameter to maxdb_debug():
- TRACE SHORT ON|OFF - Enables/disables method call trace.
- TRACE LONG ON|OFF - Enables/disables method argument and detail debug trace.
- TRACE PACKET ON|OFF|<size> - Enables/disables packet trace, limiting the size of the traced object to the specified number of bytes, or 1000 if no size is specified.
- TRACE SQL ON|OFF - Enables/disables high level api trace.
- TRACE TIMESTAMP ON|OFF - Enables/disables a timestamp prefix on each line that is traced.
- TRACE SIZE <size> - Limits the size of the trace file to <size> bytes, at least 8192 bytes are required.
返回值
maxdb_debug() doesn't return any value.
范例
Example #1 过程化风格
<?php
maxdb_debug("trace packet 200");
$link = maxdb_connect("localhost", "MONA", "RED", "DEMODB");
/* check connection */
if (!$link) {
printf("Connect failed: %s\n", maxdb_connect_error());
exit();
}
/* close connection */
maxdb_close($link);
?>
The above example produces no output.
