PHP mysqli_options() Function

Definition and Usage

The mysqli_options() function used to set extra connection option. If you want to set multiple options you need to invoke this function multiple times.

Syntax

mysqli_options($con, $option, $value)

Parameters

Sr.No	Parameter & Description
1	con(Mandatory) This is an object representing a connection to MySQL Server.
2	option(Mandatory) This is an integer value representing the connection option you want to set. It can be one of the following − MYSQLI_OPT_CONNECT_TIMEOUT MYSQLI_OPT_LOCAL_INFILE MYSQLI_INIT_COMMAND MYSQLI_READ_DEFAULT_FILE MYSQLI_READ_DEFAULT_GROUP MYSQLI_SERVER_PUBLIC_KEY MYSQLI_OPT_NET_CMD_BUFFER_SIZE MYSQLI_OPT_NET_READ_BUFFER_SIZE MYSQLI_OPT_INT_AND_FLOAT_NATIVE MYSQLI_OPT_SSL_VERIFY_SERVER_CERT
3	value(Mandatory) This is an integer value representing the value of the selected option.

Return Values

This function returns the boolean value which is true if successful and false incase of a 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_options() function (in procedural style) −

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

   mysqli_options($con, MYSQLI_OPT_NET_CMD_BUFFER_SIZE, 15);

   if($con){
      print("Connection Established Successfully");
   }else{
      print("Connection Failed ");
   }
?>

This will produce following result −

Connection Established Successfully

Example

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

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

   $con->options(MYSQLI_OPT_NET_CMD_BUFFER_SIZE, 15);

   if($con){
      print("Connection Established Successfully");
   }else{
      print("Connection Failed ");
   }
?>

This will produce following result −

Connection Established Successfully

Example

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

<?php
   $connection_mysql = mysqli_init();

   if (!$connection_mysql){
      die("mysqli_init failed");
   }
   
   mysqli_options($connection_mysql, MYSQLI_OPT_CONNECT_TIMEOUT, 10);

   mysqli_options($connection_mysql,MYSQLI_READ_DEFAULT_FILE,"configure.cnf");
   
   $connection_mysql = mysqli_real_connect($connection_mysql, "localhost","root","password","mydb");

   
   if (!$connection_mysql){
      print("Connect Error: " . mysqli_connect_error());
   }else{
      print("Connection was successful");
   }   
?>

This will produce following result −

Connection was successful

↰ Previous page