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PHP mysqli_errno() Function

PHP MySQLi Reference PHP MySQLi Reference

Example

Return the last error code for the most recent function call, if any:

<?php
$con=mysqli_connect("localhost","my_user","my_password","my_db");
// Check connection
if (mysqli_connect_errno())
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }

// Perform a query, check for error
if (!mysqli_query($con,"INSERT INTO Persons (FirstName) VALUES ('Glenn')"))
  {
  echo("Errorcode: " . mysqli_errno($con));
  }

mysqli_close($con);
?>

Definition and Usage

The mysqli_errno() function returns the last error code for the most recent function call, if any.


Syntax

mysqli_errno(connection);

Parameter Description
connection Required. Specifies the MySQL connection to use

Technical Details

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

PHP MySQLi Reference PHP MySQLi Reference