ex-pthreads.php

<?php
// run with php7
// php ex-pthreads.php -t thread
$opt = getopt('t:');
if (!isset($opt['t']))
    exit (sprintf('php %s -t threads' . PHP_EOL, $argv[0]));

$myArray = [
    'http://wikipedia.org',
    'http://yahoo.com',
    'http://reddit.com',
    'http://google.co.in',
    'http://runrun.it',
    'http://www.geradordecnpj.org',
    'http://www.oceanbrasil.com',
    'http://php.net',
];

$pool = new Pool($opt['t']);

foreach ($myArray as $site) {
	$pool->submit(new class($site) extends Threaded {
		public function __construct($site) {
			$this->site = $site;
		}

		public function run() {
			echo sprintf('Getting [%s]'.PHP_EOL, $this->site);
			file_get_contents($this->site);
			echo sprintf('Finished [%s]'.PHP_EOL, $this->site);
		}

		private $site;
	});
}

while ($pool->collect()) continue;
$pool->shutdown();