mysqli::$error, mysqli_error

• mysqli::$error

  mysqli_error

  Returns a string description of the last error

Description

Object oriented stylestring mysqli->error ;

Procedural stylestring mysqli_error(mysqli link);

Returns the last error message for the most recent MySQLi function call that can succeed or fail.

Parameters

link

Procedural style only: A link identifier returned by mysqli_connect or mysqli_init

Return Values

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

Examples

Example 20.112. $mysqli->error example

Object oriented style

<?php
$mysqli = new mysqli('localhost', 'my_user', 'my_password', 'world');
/* check connection */
if (mysqli_connect_errno()) {
 printf('Connect failed: %s\n', mysqli_connect_error());
 exit();
}
if (!$mysqli->query('SET a=1')) {
 printf('Errormessage: %s\n', $mysqli->error);
}
/* close connection */
$mysqli->close();
?>

Procedural style

<?php
$link = mysqli_connect('localhost', 'my_user', 'my_password', 'world');
/* check connection */
if (mysqli_connect_errno()) {
 printf('Connect failed: %s\n', mysqli_connect_error());
 exit();
}
if (!mysqli_query($link, 'SET a=1')) {
 printf('Errormessage: %s\n', mysqli_error($link));
}
/* close connection */
mysqli_close($link);
?>

The above examples will output:

Errormessage: Unknown system variable 'a'

See Also

mysqli_connect_errno

mysqli_connect_error

mysqli_errno

mysqli_sqlstate

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