PHP mysqli_kill() Function

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Definition and Usage

The mysqli_kill() function accepts a process id as a parameter and prompts the MySQL server to kill the specified thread.

Syntax

mysqli_kill($con, $processid);

Parameters

Return Values

This function returns the boolean value which is true if the operation was successful and false incase of failure.

PHP Version

This function was first introduced in PHP Version 5 and works works in all the later versions.

Example

Following example demonstrates the usage of the mysqli_kill() function (in procedural style) −

<?php
   //Creating the connection
   $con = mysqli_connect("localhost","root","password","test");

   $id = mysqli_thread_id($con);

   mysqli_kill($con, $id);

   $res = mysqli_query($con, "CREATE TABLE Sample (name VARCHAR(255))");

   if($res){
      print("Successful.....");
   }else{
      print("Failed......");
   }
?>

This will produce following result −

Failed.....

Example

In object oriented style the syntax of this function is $con-> kill(); Following is the example of this function in object oriented style $minus;

<?php
   //Creating the connection
   $con = new mysqli("localhost","root","password","test");

   $id = $con->thread_id;

   $con->kill($id);

   $res = mysqli_query($con, "CREATE TABLE Sample (name VARCHAR(255))");

   if($res){
      print("Successful.....");
   }else{
      print("Failed......");
   }
?>

This will produce following result −

Failed.....

Example

<?php
   $connection_mysql=mysqli_connect("localhost","root","password","mydb");
   
   if (mysqli_connect_errno($connection_mysql)){
      echo "Failed to connect to MySQL: " . mysqli_connect_error();
   }
   
   $t_id = mysqli_thread_id($connection_mysql);
   
   $res = mysqli_kill($connection_mysql,$t_id);
   
   if($res){
	   print("Thread terminated successfully......");
   }
   Thread terminated successfully......
?>

This will produce following result −

Thread terminated successfully......