(PHP 5, PHP 7)
Returns the error code from last connect call
int mysqli_connect_errno ( void )
Object oriented style
Procedural style
Returns the last error code number from the last call to mysqli_connect().
Note:
Client error message numbers are listed in the MySQL errmsg.h header file, server error message numbers are listed in mysqld_error.h. In the MySQL source distribution you can find a complete list of error messages and error numbers in the file Docs/mysqld_error.txt.
Returns:
An error code value for the last call to mysqli_connect(), if it failed. zero means no error occurred.
Examples:
$mysqli->connect_errno example
Object oriented style
<?php $mysqli = @new mysqli('localhost', 'fake_user', 'my_password', 'my_db'); if ($mysqli->connect_errno) { die('Connect Error: ' . $mysqli->connect_errno); } ?>
Procedural style
<?php $link = @mysqli_connect('localhost', 'fake_user', 'my_password', 'my_db'); if (!$link) { die('Connect Error: ' . mysqli_connect_errno()); } ?>
The above examples will output:
Connect Error: 1045
See also:
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