PHP mysqli error() Function
Example - Object Oriented style
Return the last error description for the most recent function call, if any:
<?php
$mysqli = new mysqli("localhost","my_user","my_password","my_db");
if ($mysqli -> connect_errno) {
echo "Failed to connect to MySQL: " .
$mysqli -> connect_error;
exit();
}
// Perform a query, check for error
if (!$mysqli -> query("INSERT INTO Persons (FirstName)
VALUES ('Glenn')")) {
echo("Error description: " . $mysqli -> error);
}
$mysqli -> close();
?>
Look at example of procedural style at the bottom.
Definition and Usage
The error / mysqli_error() function returns the last error description for the most recent function call, if any.
Syntax
Object oriented style:
$mysqli -> error
Procedural style:
mysqli_error(connection)
Parameter Values
| Parameter | Description |
|---|---|
| connection | Required. Specifies the MySQL connection to use |
Technical Details
| Return Value: | Returns a string with the error description. "" if no error occurred |
|---|---|
| PHP Version: | 5+ |
Example - Procedural Oriented style
Return the last error description for the most recent function call, if any:
<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
if (mysqli_connect_errno()) {
echo "Failed to connect to MySQL: " . mysqli_connect_error();
exit();
}
// Perform a query, check for error
if (!mysqli_query($con,"INSERT INTO Persons (FirstName)
VALUES ('Glenn')")) {
echo("Error description: " . mysqli_error($con));
}
mysqli_close($con);
?>
❮ PHP MySQLi Reference
