<?php
/**
 * 获取页面所有的js 和 css 总数 和文件  * 
 * @param str $url 页面url
 * @return array 
 *	css_total css总数
 *	css_array css数组
 *	js_total  js总数
 *	js_array  js数组
 */
function count_css_js($url) {
	$httptype = function_exists('curl_init');
	if (!$httptype) {
		$html = file_get_contents($url);
	} else {
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_HEADER, 1);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		$html = curl_exec($ch);
		$info = curl_getinfo($ch);
		if ($html === false) {
			echo "cURL Error: " . curl_error($ch);
		} 
	} 

	$search = '/<link[^>]*?href="([^"]*)"[^>]*?type="text\/css"[^>]*?|<link[^>]*?type="text\/css"[^>]*?href="([^"]*)"[^>]*?>/is';
	preg_match_all($search, $html , $r1);
	$css_array = array_filter(array_merge($r1[1], $r1[2]));
	$css_total = count($css_array);
	foreach ($css_array as $k => $v) {
		$isasr = stripos($v, 'http://');
		if ($isasr != 0 || $isasr === false) {
			$css_array[$k] = _expandlinks($v, $url); //相对地址转绝对地址
		} 
	} 

	$search = '/<script[^>]*?src="([^"]*)"[^>]*?>/is';
	preg_match_all($search, $html , $r2);
	$js_array = $r2[1];
	foreach ($js_array as $k => $v) {
		$isasr = stripos($v, 'http://');
		if ($isasr != 0 || $isasr === false) {
			$js_array[$k] = _expandlinks($v, $url);
		} 
	} 
	$js_total = count($r2[1]);
	return array('css_total' => $css_total, 'css_array' => $css_array, 'js_total' => $js_total, 'js_array' => $js_array);
} 
/**
 * 获取真实地址
 * 
 * @param str $hosturl 输入url
 * @return str 返回真实url
 */
function realurl($hosturl) {
	$header = get_headers($hosturl, 1);
	$righturl = '';
	if (strstr($header[0], '302') || strstr($header[0], '301')) {
		$righturl = (strpos($header['Location'], '/') == 0) ? $hosturl . $header['Location']: $header['Location'];
	} elseif (strstr($header[0], '200') || $header[0] == 'HTTP/1.1 200 OK' || $header[0] == 'HTTP/1.0 200 OK') {
		$righturl = $hosturl;
	} else {
		return false;
	} 
	if (is_array($righturl)) {
		$righturl = $righturl[0];
		return $righturl;
	} else {
		return $righturl;
	} 
} 

/**
 * 将相对地址转绝对
 * 
 * @param str $Links 链接地址
 * @param str $URI 主机地址
 */
function _expandlinks($links, $URI) {
	$URI_PARTS = parse_url($URI);
	$host = $URI_PARTS["host"];
	preg_match("/^[^\?]+/", $URI, $match);
	$match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|", "", $match[0]);
	$match = preg_replace("|/$|", "", $match);
	$match_part = parse_url($match);
	$match_root = $match_part["scheme"] . "://" . $match_part["host"];
	$search = array(
		"|^http://" . preg_quote($host) . "|i",
		"|^(\/)|i",
		"|^(?!http://)(?!mailto:)|i",
		"|/\./|",
		"|/[^\/]+/\.\./|"
		);
	$replace = array(
		"",
		$match_root . "/",
		$match . "/",
		"/",
		"/"
		);

	$expandedLinks = preg_replace($search, $replace, $links);
	return $expandedLinks;
} 

?>

<?php
//以下是测试
	$url = 'http://fulingjiang.com/';
	$url = realurl($url);
	$r = count_css_js($url);
	echo 'css总数：' . $r['css_total'] . '<br />';
	foreach ($r['css_array'] as $v) {
		echo $v . '<br />';
	} 
	echo '<br />';
	echo 'js总数：' . $r['js_total'] . '<br />';
	foreach ($r['js_array'] as $v) {
		echo $v . '<br />';
	}
?> 

本文固定链接: https://www.fulingjiang.cn/php/67.html