<?php
/**************************************************
* Example: Retrieving the city-weather using external api
* Usage : php examples/demo.api.weather.php
* Storage: File
**************************************************/
require 'vendor/autoload.php';
use Forker\Forker;
use Forker\Storage\FileStorage;
$allCitiesWeather = "";
$urlApiWeather = "http://api.openweathermap.org/data/2.5/weather?q=%s&mode=xml";
$myTasks = array(
'madrid' => sprintf($urlApiWeather, 'Madrid'),
'london' => sprintf($urlApiWeather, 'London'),
'new-york' => sprintf($urlApiWeather, 'NewYork'),
'barcelona' => sprintf($urlApiWeather, 'barcelona'),
'lisboa' => sprintf($urlApiWeather, 'lisboa'),
'iasi' => sprintf($urlApiWeather, 'iasi'),
);
// a way to keep our data
$storageSystem = new FileStorage;
$numberOfSubTasks = 6;
$forker = new Forker($storageSystem, $myTasks, $numberOfSubTasks);
$time_start = microtime(true);
$forker->fork(function($city, $url, $emit) {
echo "Retrieving weather in $city\n";
$contents = file_get_contents($url);
$emit($city, $contents);
});
$allCitiesWeather = $forker->fetch();
$time_end = microtime(true);
$time = $time_end - $time_start;
echo "it took {$time} seconds in paralel \n";
$time_start = microtime(true);
foreach($myTasks as $city => $url) {
echo 'Retrieving weather in ' . $city . "\n";
$allCitiesWeather[] = file_get_contents($url);
}
$time_end = microtime(true);
$time = $time_end - $time_start;
echo "it took {$time} seconds secuencially \n";
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