What is mysql errno in PHP
In this article I am going to explain about mysql_errno function in PHP.
PHP mysql_errno() Function
The PHP mysql_errno function returns the numerical value of the error message from previous MySQL operation. This function returns zero(0) if no error has occurred.
Syntax of mysql_errno function
Parameters in mysql_errno function
It has only one parameter:
| Parameter |
Description |
| connection |
It specifies mysql connection. |
Example of mysql_errno function
|
<html>
<body>
<?php
$con=@mysql_connect("localhost","MySQLUserName","MySQLPassword"); //Here we are taken wrong username and password.
if(!$con)
{
die("Could not connect:". mysql_errno());
}
mysql_close($con);
?>
</body>
</html>
|
Output:
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