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PHP Quiz PHP CertificatePHP mysqli_connect_errno() Function
Example
Return an error code from the last connection error, if any:
<?php
$con=mysqli_connect("localhost","wrong_user","my_password","my_db");
// Check connection
if (!$con)
{
die("Connection error: " . mysqli_connect_errno();
}
?>
$con=mysqli_connect("localhost","wrong_user","my_password","my_db");
// Check connection
if (!$con)
{
die("Connection error: " . mysqli_connect_errno();
}
?>
Definition and Usage
The mysqli_connect_errno() function returns the error code from the last connection error, if any.
Syntax
mysqli_connect_errno();
Technical Details
| Return Value: | Returns an error code value. Zero if no error occurred |
|---|---|
| PHP Version: | 5+ |
PHP MySQLi Reference
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