mysqli_stmt_errno
(PHP 5)
mysqli_stmt_errno
(no version information, might be only in CVS)
mysqli_stmt->errno -- Returns the error code for the most recent statement call
说明
Procedural style :
int
mysqli_stmt_errno ( mysqli_stmt stmt )
Object oriented style (property):
class
mysqli_stmt {
int errno
}
Returns the error code for the most recently invoked statement function
that can succeed or fail.
Client error message numbers are listed in the MySQL
errmsg.h header file,
server error message numbers are listed in
mysqld_error.h.
In the MySQL source distribution you can find a complete list of error
messages and error numbers in the file
Docs/mysqld_error.txt.
返回值
An error code value. Zero means no error occurred.
范例
例 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: %d.\n", $stmt->errno);
/* close statement */ $stmt->close(); }
/* close connection */ $mysqli->close(); ?>
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例 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($stmt);
printf("Error: %d.\n", mysqli_stmt_errno($stmt));
/* close statement */ mysqli_stmt_close($stmt); }
/* close connection */ mysqli_close($link); ?>
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上例将输出: