check envato sales.php

<?php
$username = 'kureikain';
$apikey = 'xxx';

class Axcoto_Envato_Api {
	public function __construct($attb) {
		$this->_attb = $attb;
	}
	
	public function fetch($method, $param = array()) {
        $url = 'http://marketplace.envato.com/api/edge/';
        if ($param) {
			$param = implode(':', $param);
			$url .= $method . ':' . $param;
		} else {
			$url .= $method;
		} 					
		$url .= '.json';	
		
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_URL, $url);
		$content = curl_exec($ch);
		curl_close($ch);
		
		return json_decode($content);	
			
	}
	
	private $_attb = array(
		'username' => '', 'apikey' => ''
	);
}

$api = new Axcoto_Envato_Api(array('username' => $username, 'apikey' => $apikey));
echo "Start to fecth data \n";

$result = $api->fetch('user', array($username));
var_dump($result);

if ($result && !empty($result->user->sales)) {
	if (file_exists($username . '.sale_count')) {
		$currentSales = (int)file_get_contents($username . '.sale_count');
	} else {
		$currentSales = 0;
	}
	if ($currentSales<$result->user->sales) {
		echo "Got new sales! Start to send email \n";

		$to = '[email protected]';
		$subject = 'kureikain, u got new sales';
		$message = sprintf('Your old total sales was %d! New total sales is %d', $currentSales, $result->user->sales);
		$headers = 'From: [email protected]' . "\r\n" .
			'Reply-To: [email protected]' . "\r\n" .
			'X-Mailer: PHP/' . phpversion();
		mail($to, $subject, $message, $headers);
		echo "Email is sent \n";
	}
	file_put_contents($username . '.sale_count', $result->user->sales);	
}

$username = 'tuanrobo';
$result = $api->fetch('user', array($username));
var_dump($result);

if ($result && !empty($result->user->sales)) {
	if (file_exists($username . '.sale_count')) {
		$currentSales = (int)file_get_contents($username . '.sale_count');
	} else {
		$currentSales = 0;
	}
	if ($currentSales<$result->user->sales) {
		echo "Got new sales! Start to send email \n";

		$to = '[email protected]';
		$subject = 'kureikain, u got new sales';
		$message = sprintf('Your old total sales was %d! New total sales is %d', $currentSales, $result->user->sales);
		$headers = 'From: [email protected]' . "\r\n" .
			'Reply-To: [email protected]' . "\r\n" .
			'X-Mailer: PHP/' . phpversion();
		mail($to, $subject, $message, $headers);
		echo "Email is sent \n";
	}
	file_put_contents($username . '.sale_count', $result->user->sales);	
}