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PHP mysqli_connect_errno() Function

❮ PHP MySQLi Reference

Example

Return an error code from the last connection error, if any:

<?php
$con=mysqli_connect("localhost","wrong_user","my_password","my_db");
// Check connection
if (!$con)
  {
  die("Connection error: " . mysqli_connect_errno());
  }
?>

Definition and Usage

The mysqli_connect_errno() function returns the error code from the last connection error, if any.


Syntax

mysqli_connect_errno();

Technical Details

Return Value: Returns an error code value. Zero if no error occurred
PHP Version: 5+

❮ PHP MySQLi Reference