PHP mysqli_errno() Function

In this chapter you will learn:

  1. Definition for PHP mysqli_errno() Function
  2. Syntax for PHP mysqli_errno() Function
  3. Parameter for PHP mysqli_errno() Function
  4. Return for PHP mysqli_errno() Function
  5. Example - Get the last error code for the most recent function call

Definition

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

Syntax

PHP mysqli_errno() Function has the following syntax.

mysqli_errno(connection);

Parameter

ParameterIs RequiredDescription
connectionRequired.MySQL connection

Return

It returns an error code value or Zero if no error occurred.

Example

Get the last error code for the most recent function call.


<?php/*jav a  2s .  c om*/
$con=mysqli_connect("localhost","my_user","my_password","my_db");

if (mysqli_connect_errno($con)){
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
}

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

mysqli_close($con);
?>

Next chapter...

What you will learn in the next chapter:

  1. Definition for PHP mysqli_error() Function
  2. Syntax for PHP mysqli_error() Function
  3. Parameter for PHP mysqli_error() Function
  4. Return for PHP mysqli_error() Function
  5. Example - Get the last error for the most recent function call
Home » PHP Tutorial » PHP MySQLi Functions
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PHP mysqli_errno() Function
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