PHP并发访问例子

<?php$start=$_GET['s']; $end=$_GET['e']; $requests = array();for ($index = $start; $index < $end; $index++) {$url="http://www.essort.com/amfphp/services/curl/loadTest.php?uid=$index";$requests[]=$url;}$main = curl_multi_init();$results = array();$errors = array();$info = array();$count = count($requests);for($i = 0; $i < $count; $i++) { $handles[$i] = curl_init($requests[$i]); var_dump($requests[$i]); curl_setopt($handles[$i], CURLOPT_URL, $requests[$i]); curl_setopt($handles[$i], CURLOPT_RETURNTRANSFER, 1); curl_multi_add_handle($main, $handles[$i]);}$running = 0;do { curl_multi_exec($main, $running);} while($running > 0);for($i = 0; $i < $count; $i++){ $results[] = curl_multi_getcontent($handles[$i]); $errors[] = curl_error($handles[$i]); $info[] = curl_getinfo($handles[$i]); curl_multi_remove_handle($main, $handles[$i]);}curl_multi_close($main);var_dump($results);var_dump($errors);var_dump($info);?>