Example calling php command with python

Hello.py

# Example of using python to call external command
# In this case a php command to run php script

from subprocess import call
# First argument is command, second & third argument is parameters
call(["php", "./index.php", "Hello Dunia"])

HelloWorld.php

<?php

namespace Hello;

/**
* Hello World Class
*/
class HelloWorld
{
    private $message;

    public function __construct()
    {
        $this->message = 'Hello World!' . PHP_EOL;
    }

    public function getMessage()
    {
        return $this->message;
    }

    public function setMessage($str)
    {
        if (empty($str)) {
            return;
        }
        $this->message = $str . PHP_EOL;
    }
}

index.php

<?php

require_once 'HelloWorld.php';

$hello = new Hello\HelloWorld;

// Print initial message
echo $hello->getMessage();

// Set and print new message
if (!empty($argv[1])) {
    // if there is message from command line argument
    $hello->setMessage($argv[1]);
} else {
    $hello->setMessage('Hello again there!');
}
echo $hello->getMessage();