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mysqli_connect_error

(PHP 5)

mysqli_connect_error -- Returns a string description of the last connect error

Description

string mysqli_connect_error ( void )

The mysqli_connect_error() function is identical to the corresponding mysqli_connect_errno() function in every way, except instead of returning an integer error code the mysqli_connect_error() function will return a string representation of the last error to occur for the last mysqli_connect() call. If no error has occured, this function will return an empty string.

返回值

A string that describes the error. An empty string if no error occurred.

参见

mysqli_connect(), mysqli_connect_errno(), mysqli_errno(), mysqli_error() 和 mysqli_sqlstate().

范例

例子 1. mysqli_connect_error sample

<?php

$link = @mysqli_connect("localhost", "nonexisting_user", "");

if (!$link) {
    printf("Can't connect to localhost. Error: %s\n", mysqli_connect_error());
}
?>


add a note add a note User Contributed Notes
bero at arklinux dot org dot SPAM dot TO dot microsoft dot com
10-May-2004 05:04
The reason for mysqli_connect_error() not being available as $link->connect_error [looks like an inconsistency superficially] is that at the time mysqli_connect_error() matters (when something goes wrong), $link is null, and therefore not a mysqli object ---> you'd be accessing NULL->connect_error, which can't make any sense.
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