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PHP Quiz PHP CertificatePHP mysqli_errno() Function
Example
Return the last error code for the most recent function call, if any:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// Perform a query, check for error
if (!mysqli_query($con,"INSERT INTO Persons (FirstName) VALUES ('Glenn')"))
{
echo("Errorcode: " . mysqli_errno($con));
}
mysqli_close($con);
?>
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno($con))
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// Perform a query, check for error
if (!mysqli_query($con,"INSERT INTO Persons (FirstName) VALUES ('Glenn')"))
{
echo("Errorcode: " . mysqli_errno($con));
}
mysqli_close($con);
?>
Definition and Usage
The mysqli_errno() function returns the last error code for the most recent function call, if any.
Syntax
mysqli_errno(connection);
| Parameter | Description |
|---|---|
| connection | Required. Specifies the MySQL connection to use |
Technical Details
| Return Value: | Returns an error code value. Zero if no error occurred |
|---|---|
| PHP Version: | 5+ |
PHP MySQLi Reference
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