PHP mysqli_connect_errno() Function

PHP mysqli_connect_errno() Returns the error code from the last connection call.

Syntax

int mysqli_connect_errno();

mysqli_connect_errno() Function Parameter

ParameterDescription
NA :NA

mysqli_connect_errno() Function Return Value

Return Values :Return error code value for the last call. zero means no error occurred.

mysqli_connect_errno() Function Example

<?php
$con = mysqli_connect("localhost","user","password","db");

if (!$con)
{
 die("Connection error: " . mysqli_connect_errno());
}
mysqli_close($con);
?>