mysqli_stmt_error
(PHP 5)
mysqli_stmt_error
(no version information, might be only in CVS)
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):
class
mysqli_stmt {
string error
}
For the statement specified by stmt, mysqli_stmt_error()
returns a containing the error message for the most recently invoked statement function that
can succeed or fail.
返回值
A string that describes the error. An empty string if no error occurred.
例
例子 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(); ?>
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例子 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); ?>
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上例将输出:
Error: Table 'world.myCountry' doesn't exist. |