Executing nodejs script file in PHP using exec()

In my Application, I want to execute a Node.JS file from PHP which in turn makes a http request to another PHP file.

In short this is the Process that I am doing.

PHP file—>calls–> Nodejs file—>processes data –>and makes http request to–>PHP File

When I run the nodejs file via terminal, it successfully makes the http request to another PHP file and I get what I want.

But, when I try to run the nodejs file through PHP, the nodejs files is not able to find some modules.

My code in PHP:

$nodeJsPath = '/var/www/html/projectfolder/js/nodefunc.js';

$ret = exec("node ".$nodeJsPath.' 2>&1', $out, $err);

This is the error that I am getting:

Array
(
    [0] => module.js:457
    [1] =>     throw err;
    [2] =>     ^
    [3] => 
    [4] => Error: Cannot find module 'some_module'
    [5] =>     at Function.Module._resolveFilename (module.js:455:15)
    [6] =>     at Function.Module._load (module.js:403:25)
    [7] =>     at Module.require (module.js:483:17)
    [8] =>     at require (internal/module.js:20:19)
    [9] =>     at Object.<anonymous> (/var/www/html/projectfolder/js/nodefunc.js:5:9)
    [10] =>     at Module._compile (module.js:556:32)
    [11] =>     at Object.Module._extensions..js (module.js:565:10)
    [12] =>     at Module.load (module.js:473:32)
    [13] =>     at tryModuleLoad (module.js:432:12)
    [14] =>     at Function.Module._load (module.js:424:3)
)

Answer

I got it finally. Its just ignorng the NODE_PATH variable for reasons unkown 🙁

In the Nodejs File I hade to give the absolute path of the module like this:

  var request = require("/usr/lib/node_modules/request");

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Answer