#PHP PubSubHubbubにURLを送る。引数はURL文字列か、配列で複数URLを渡してもOK。

send_psh.php

<?php

function send_psh($url) {
	if(empty($url)){
		return false;
	}
	
	$hub = 'http://pubsubhubbub.appspot.com';
	//$hub='http://pubsubhubbub.superfeedr.com';
	
	if(is_array($url)) {
		$mh=curl_multi_init();
		$chs = array();
		foreach($url as $key => $val) {
			if (!preg_match('#^https?://#i', $val)) {
				continue;
			}
			$chs[$key] = curl_init();
			curl_setopt($chs[$key], CURLOPT_URL, $hub);
			curl_setopt($chs[$key], CURLOPT_POST, true);
			curl_setopt($chs[$key], CURLOPT_POSTFIELDS, "hub.mode=publish&hub.url=" . urlencode($val));
			curl_multi_add_handle($mh, $chs[$key]);
		}
		if(empty($chs)){
			return false;
		}
		
		$results = array();
		$running = NULL;
		do {
			curl_multi_exec($mh, $running);
		} while($running > 0);

		foreach($curly as $key => $ch) {
			if(empty($ch)){
				continue;
			}
			$results[$key] = (204 == curl_getinfo($ch, CURLINFO_HTTP_CODE));
			curl_multi_remove_handle($mh, $ch);
		}
		curl_multi_close($mh);
		
		return $results;
	} else {
		if (!preg_match('#^https?://#i', $url)) {
			return false;
		}
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $hub);
		curl_setopt($ch, CURLOPT_POST, true);
		curl_setopt($ch, CURLOPT_POSTFIELDS, "hub.mode=publish&hub.url=" . urlencode($url));
		$res = curl_exec($ch);
		$result = (204 == curl_getinfo($ch, CURLINFO_HTTP_CODE));
		curl_close($ch);
		
		return $result;
	}
}