~~~ /** * 压缩HTML代码 * @param string $html_source HTML源码 * @return string 压缩后的代码 */ function qlwz_compress_html($html_source) { $chunks = preg_split('/(<!--<nocompress>-->.*?<!--<\/nocompress>-->|<nocompress>.*?<\/nocompress>|<pre.*?\/pre>|<textarea.*?\/textarea>|<script.*?\/script>)/msi', $html_source, -1, PREG_SPLIT_DELIM_CAPTURE); $compress = ''; foreach ($chunks as $c) { if (strtolower(substr($c, 0, 19)) == '<!--<nocompress>-->') { $c = substr($c, 19, strlen($c) - 19 - 20); $compress .= $c; continue; } elseif (strtolower(substr($c, 0, 12)) == '<nocompress>') { $c = substr($c, 12, strlen($c) - 12 - 13); $compress .= $c; continue; } elseif (strtolower(substr($c, 0, 4)) == '<pre' || strtolower(substr($c, 0, 9)) == '<textarea') { $compress .= $c; continue; } elseif (strtolower(substr($c, 0, 7)) == '<script' && strpos($c, '//') != false && (strpos($c, "\r") !== false || strpos($c, "\n") !== false)) { // JS代码，包含“//”注释的，单行代码不处理 $tmps = preg_split('/(\r|\n)/ms', $c, -1, PREG_SPLIT_NO_EMPTY); $c = ''; foreach ($tmps as $tmp) { if (strpos($tmp, '//') !== false) { // 对含有“//”的行做处理 if (substr(trim($tmp), 0, 2) == '//') { // 开头是“//”的就是注释 continue; } $chars = preg_split('//', $tmp, -1, PREG_SPLIT_NO_EMPTY); $is_quot = $is_apos = false; foreach ($chars as $key => $char) { if ($char == '"' && !$is_apos && $key > 0 && $chars[$key - 1] != '\\') { $is_quot = !$is_quot; } elseif ($char == '\'' && !$is_quot && $key > 0 && $chars[$key - 1] != '\\') { $is_apos = !$is_apos; } elseif ($char == '/' && $chars[$key + 1] == '/' && !$is_quot && !$is_apos) { $tmp = substr($tmp, 0, $key); // 不是字符串内的就是注释 break; } } } $c .= $tmp; } } $c = preg_replace('/[\\n\\r\\t]+/', ' ', $c); // 清除换行符，清除制表符 $c = preg_replace('/\\s{2,}/', ' ', $c); // 清除额外的空格 $c = preg_replace('/>\\s</', '> <', $c); // 清除标签间的空格 $c = preg_replace('/\\/\\*.*?\\*\\//i', '', $c); // 清除 CSS & JS 的注释 $c = preg_replace('/<!--[^!]*-->/', '', $c); // 清除 HTML 的注释 $compress .= $c; } return $compress; } ~~~ ~~~ /**压缩代码，不删除注释代码，可能对部分js兼容不是*/ f很好unction higrid_compress_html($higrid_uncompress_html_source ) { $chunks = preg_split( '/(<pre.*?\/pre>)/ms', $higrid_uncompress_html_source, -1, PREG_SPLIT_DELIM_CAPTURE ); $higrid_uncompress_html_source = '';//[higrid.net]修改压缩html : 清除换行符,清除制表符,去掉注释标记 foreach ( $chunks as $c ) { if ( strpos( $c, '<pre' ) !== 0 ) { //[higrid.net] remove new lines & tabs $c = preg_replace( '/[\\n\\r\\t]+/', ' ', $c ); // [higrid.net] remove extra whitespace $c = preg_replace( '/\\s{2,}/', ' ', $c ); // [higrid.net] remove inter-tag whitespace $c = preg_replace( '/>\\s</', '><', $c ); // [higrid.net] remove CSS & JS comments $c = preg_replace( '/\\/\\*.*?\\*\\//i', '', $c ); } $higrid_uncompress_html_source .= $c; } return $higrid_uncompress_html_source; } ~~~