(PECL maxdb >= 1.0)
maxdb_connect_errno — Returns the error code from last connect call
The maxdb_connect_errno() function will return the last error code number for last call to maxdb_connect(). If no errors have occurred, this function will return zero.
An error code value for the last call to maxdb_connect(), if it failed. zero means no error occurred.
Example #1 maxdb_connect_errno sample
<?php
$link = maxdb_connect("localhost", "XXXXXXXX", "YYYYYYYYY");
if (!$link) {
printf("Can't connect to localhost. Errorcode: %d\n", maxdb_connect_errno());
}
?>
以上例程的输出类似于：
PHP Warning: maxdb_connect(): -4008 POS(1) Unknown user name/password combination [08004] <...> Can't connect to localhost. Errorcode: -4008