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mysqli_error
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mysqli_error

(PHP 5)

mysqli_error -- Returns a string description of the last error

Description

Procedural style:

string mysqli_error ( mysqli link )

Object oriented style (property)

class mysqli {

string error

}

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 1. 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();
?>

Example 2. 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 example will output:

Errormessage: Unknown system variable 'a'

See Also

mysqli_connect_errno()
mysqli_connect_error()
mysqli_errno()
mysqli_sqlstate()

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