PHP | mysqli_debug() Function

Hello dear readers! welcome back to another edition of our tutorial on PHP. In this tutorial guide, we are going to be discussing about the PHP mysqli_debug() Function.

The built-in PHP mysqli_debug() function accepts a string value representing the required debugging operation to be performed as a parameter and, performs it using the Fred Fish debugging library.

Syntax

Following below is the syntax to use this function -

mysqli_debug($message);

READ: PHP | mysqli_connect_error() Function

Parameter Details

Sr.No	Parameter & Description
1	message(Mandatory) This is a string value representing the required debugging operation to be performed.

Return Value

This built-in PHP functions returns a boolean true.

PHP Version

This built-in function was introduced in PHP version 5 and works in all the later versions.

Example1

Following example demonstrates the usage of the PHP mysqli_debug() function (in procedural style) -

<?php
   $debug = mysqli_debug("T:n:t:m:x:F:L:o,/sample.txt");
   print($debug);
?>

Output

When the above code is executed, it will produce the following result -

1

Example2

Try the following example below -

<?php
   $servername = "localhost";
   $username = "root";
   $password = "password";
   $dbname = "mydb";
   $conn = new mysqli("localhost", "root", "password", "mydb");

   if ($conn->connect_error) {
      die('Connect Error (' . mysqli_connect_errno() . ') '. mysqli_connect_error());
   } 
   echo 'Success... ' . mysqli_get_host_info($conn) . "\n";
   mysqli_debug("d:t:o,debug.txt");
   mysqli_autocommit($conn,FALSE);
   mysqli_query($conn,"INSERT INTO tutorials_auto (id,name) VALUES (10,'sai')");
   mysqli_commit($conn);
   
   mysqli_close($conn);
?>

Output

When the above code is executed, it will produce the following result -

Success... localhost via TCP/IP

READ: PHP | mysqli_autocommit() Function

Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial, we will discuss about the mysqli_dump_debug_info() Function in PHP.

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