php将html转成wml的WAP标记语言实例

<?html">php //--------------------------------------- // Html 标记WAP语言 //---------------------------------------- function html2wml($content) { //保留图片 preg_match_all("/<img([^>]*)>/isU", $content, $imgarr); if(isset($imgarr[0]) && count($imgarr[0])>0 ) { foreach($imgarr[0] as $k=>$v) $content = str_replace($v, "WAP-IMG::{$k}", $content); } // 过滤掉样式表和脚本 $content = preg_replace("/<style .*?<\\/style>/is", "", $content); $content = preg_replace("/<script .*?<\\/script>/is", "", $content); // 首先将各种可以引起换行的标签（如<br />、<p> 之类）替换成换行符"\\n" $content = preg_replace("/<br \\s*\\/?\\/>/i", "\\n", $content); $content = preg_replace("/<\\/?p>/i", "\\n", $content); $content = preg_replace("/<\\/?td>/i", "\\n", $content); $content = preg_replace("/<\\/?div>/i", "\\n", $content); $content = preg_replace("/<\\/?blockquote>/i", "\\n", $content); $content = preg_replace("/<\\/?li>/i", "\\n", $content); // 将"&nbsp;"替换为空格 $content = preg_replace("/\\&nbsp\\;/i", " ", $content); $content = preg_replace("/\\&nbsp/i", " ", $content); // 过滤掉剩下的 HTML 标签 $content = strip_tags($content); // 将 HTML 中的实体（entity）转化为它所对应的字符 $content = html_entity_decode($content, ENT_QUOTES, "GB2312"); // 过滤掉不能转化的实体（entity） $content = preg_replace('/\\&\\#.*?\\;/i', '', $content); // 上面是将 HTML 网页内容转化为带换行的纯文本，下面是将这些纯文本转化为 WML。 $content = str_replace('$', '$$', $content); $content = str_replace("\\r\\n", "\\n", htmlspecialchars($content)); $content = explode("\\n", $content); for ($i = 0; $i < count($content); $i++) { $content[$i] = trim($content[$i]); // 如果去掉全角空格为空行，则设为空行，否则不对全角空格过滤。 if (str_replace('　', '', $content[$i]) == '') $content[$i] = ''; } $content = str_replace("<p><br /></p>\\n", "", '<p>'.implode("<br /></p>\\n<p>", $content)."<br /></p>\\n"); //还原图片 if(isset($imgarr[0]) && count($imgarr[0])>0 ) { foreach($imgarr[0] as $k=>$v) { $attstr = (preg_match('#/$#', $imgarr[1][$k])) ? '<img '.$imgarr[1][$k].'>' : '<img '.$imgarr[1][$k].' />'; $content = str_replace("WAP-IMG::{$k}", $attstr, $content); } } $content = preg_replace("/&amp;[a-z]{3,10};/isU", ' ', $content); return $content; } function text2wml($content) { $content = str_replace('$', '$$', $content); $content = str_replace("\\r\\n", "\\n", htmlspecialchars($content)); $content = explode("\\n", $content); for ($i = 0; $i < count($content); $i++) { // 过滤首尾空格 $content[$i] = trim($content[$i]); // 如果去掉全角空格为空行，则设为空行，否则不对全角空格过滤。 if (str_replace("　", "", $content[$i]) == "") $content[$i] = ""; } //合并各行，转化为 WML，并过滤掉空行 $content = str_replace("<p><br /></p>\\n", "", "<p>".implode("<br /></p>\\n<p>", $content)."<br /></p>\\n"); return $content; } ?>