PHP Manual
MaxDB 函数
Returns the error code from last connect call

maxdb_connect_errno

(PECL maxdb >= 1.0)

maxdb_connect_errno — Returns the error code from last connect call

说明

maxdb_connect_errno ( void ) : int

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.

返回值

An error code value for the last call to maxdb_connect(), if it failed. zero means no error occurred.

范例

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

参见

maxdb_connect() - Open a new connection to the MaxDB server
maxdb_connect_error() - Returns a string description of the last connect error
maxdb_errno() - Returns the error code for the most recent function call
maxdb_error() - Returns a string description of the last error
maxdb_sqlstate() - Returns the SQLSTATE error from previous MaxDB operation

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