mysqli_stmt_error
mysqli_stmt->error
(PHP 5)
mysqli_stmt->error — Returns a string description for last statement error
Description
Procedural style:
   string mysqli_stmt_error
    ( mysqli_stmt $stmt
   )
  Object oriented style (property):
mysqli_stmt
   string$error;
  Returns a containing the error message for the most recently invoked statement function that can succeed or fail.
Return Values
A string that describes the error. An empty string if no error occurred.
Παραδείγματα
Example#1 Object oriented style
<?php
/* Open a connection */
$mysqli = new mysqli("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}
$mysqli->query("CREATE TABLE myCountry LIKE Country");
$mysqli->query("INSERT INTO myCountry SELECT * FROM Country");
$query = "SELECT Name, Code FROM myCountry ORDER BY Name";
if ($stmt = $mysqli->prepare($query)) {
    /* drop table */
    $mysqli->query("DROP TABLE myCountry");
    /* execute query */
    $stmt->execute();
    printf("Error: %s.\n", $stmt->error);
    /* close statement */
    $stmt->close();
}
/* close connection */
$mysqli->close();
?>
Example#2 Procedural style
<?php
/* Open a connection */
$link = mysqli_connect("localhost", "my_user", "my_password", "world");
/* check connection */
if (mysqli_connect_errno()) {
    printf("Connect failed: %s\n", mysqli_connect_error());
    exit();
}
mysqli_query($link, "CREATE TABLE myCountry LIKE Country");
mysqli_query($link, "INSERT INTO myCountry SELECT * FROM Country");
$query = "SELECT Name, Code FROM myCountry ORDER BY Name";
if ($stmt = mysqli_prepare($link, $query)) {
    /* drop table */
    mysqli_query($link, "DROP TABLE myCountry");
    /* execute query */
    mysqli_stmt_execute($stmt);
    printf("Error: %s.\n", mysqli_stmt_error($stmt));
    /* close statement */
    mysqli_stmt_close($stmt);
}
/* close connection */
mysqli_close($link);
?>
The above example will output:
Error: Table 'world.myCountry' doesn't exist.