mysqli_error (PHP 5) mysqli_error -- Returns a string description of the last error DescriptionProcedural style: string mysqli_error ( mysqli link ) Object oriented style (property) class mysqli { string error }
The mysqli_error() function is identical to the corresponding
mysqli_errno() function in every way, except instead of returning
an integer error code the mysqli_error() function will return
a string representation of the last error to occur for the database connection
represented by the link parameter. If no error has occured,
this function will return an empty string.
Return Values
A string that describes the error. An empty string if no error occurred.
ExamplesExample 1. Object oriented style |
<?php
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if (!$mysqli->query("SET a=1")) {
printf("Errormessage: %s\n", $mysqli->error);
}
$mysqli->close();
?>
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Example 2. Procedural style |
<?php
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
if (mysqli_connect_errno()) {
printf("Connect failed: %s\n", mysqli_connect_error());
exit();
}
if (!mysqli_query($link, "SET a=1")) {
printf("Errormessage: %s\n", mysqli_error($link));
}
mysqli_close($link);
?>
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The above example will output: Errormessage: Unknown system variable 'a' |
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mysqli_errno
