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PHP mysqli_errno () function

PHP MySQLi Reference Manual PHP MySQLi Reference Manual

Examples

Function returns the most recent call last error code:

<? php
// Assumes that the database username: root, password: 123456, database: w3big
$ con = mysqli_connect ( "localhost" , "root", "123456", "w3big");
if (mysqli_connect_errno ($ con))
{
echo "MySQL connection failed:" mysqli_connect_error ();.
}

// Execute the query, check for errors
if (! mysqli_query ($ con, "INSERT INTO websites (name) VALUES ( ' tutorial')"))
{
echo (. "Errorcode:" mysqli_errno ($ con));
}

mysqli_close ($ con);
?>

Definition and Usage

mysqli_errno () function returns the most recently called function last error code.


grammar

mysqli_errno( connection ) ;

参数 描述
connection 必需。规定要使用的 MySQL 连接。

technical details

return value: Returns an error code value. If no error occurs 0 is returned.
PHP version: 5+


PHP MySQLi Reference Manual PHP MySQLi Reference Manual