php - Error: Failed to open stream: No such file or directory -

i have code , same twilio.php library running on both local (xampp) server , vps:

checkconnection.php

<?php      // include twilio php library here     require '/twilio-php/twilio/autoload.php';     use twilio\rest\client;      $sid   = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; // account sid www.twilio.com/console     $token = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"; // auth token www.twilio.com/console      $client  = new twilio\rest\client($sid, $token);     $message = $client->messages->create(       'xxxxxxxxxxxxx', // text number       array(         'from' => 'xxxxxxxxxxxxx', // valid twilio number         'body' => 'mysql down!'       )     );      print $message->sid;  ?> 

the code runs locally, vps outputs following errors:

php warning: require(/twilio-php/twilio/autoload.php): failed open stream: no such file or directory in /var/www/html/thsportsmassagetherapy.com/mysql-monitor/checkconnection.php on line 4  php fatal error: require(): failed opening required '/twilio-php/twilio/autoload.php' (include_path='.:/usr/share/php:/usr/share/pear') in **/var/www/html/thsportsmassagetherapy.com/mysql-monitor/checkconnection.php** on line 4 

locally, script , twilio libary located @

c:\xampp\htdocs\mysql-monitor\ 

on vps, located @

/var/www/html/thsportsmassagetherapy.com/mysql-monitor/ 

is path error or problem php settings?

to fix problem, set path autoload.php correctly.

for instance, if autoload.php located in /usr/local/lib/myapp.

require '/usr/local/lib/myapp/autoload.php'; 

it possible set include_path.

for example, in php file, do.

set_include_path('/usr/local/lib'); 

then instead of above require, do

require 'myapp/autoload.php'; 

or can do, use application framework symfony uses composer manage such things. when don't use symfony, still use composer.

why work hard when there tools out there make stuff easy?