diff options
Diffstat (limited to 'libs/Utils.php')
| -rw-r--r-- | libs/Utils.php | 59 |
1 files changed, 56 insertions, 3 deletions
diff --git a/libs/Utils.php b/libs/Utils.php index 541e46d..b78aa06 100644 --- a/libs/Utils.php +++ b/libs/Utils.php @@ -157,17 +157,17 @@ class Utils /** * 缩略图 */ - public static function postBanner($post){ + public static function postBanner($post, $random){ if($post->fields->banner && $post->fields->banner=!''): $banner = $post->fields->banner; else: - if($post->options->randomBanner==''){ + if($random==''){ $banner = '/usr/themes/Miracles/images/postbg/'; $banner .= srand(mb_strlen($post->title)); $banner .= rand(1,15).'.jpg'; } else{ - $banner_url = explode(',',$post->options->randomBanner); + $banner_url = explode(',',$random); $banner = $banner_url[mt_rand(0,count($banner_url)-1)].'\"'; } endif; @@ -195,4 +195,57 @@ class Utils echo $banner; } + + /** + * 压缩 HTML + * thanks https://www.jiangxu.site/concerning-how-to-typecho-integrated-html-compression.html + */ + public static function compressHtml($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 .= $c; + continue; + } else if (strtolower(substr($c, 0, 12)) == '<nocompress>') { + $c = substr($c, 12, strlen($c) - 12 - 13); + $compress .= $c; + continue; + } else if (strtolower(substr($c, 0, 4)) == '<pre' || strtolower(substr($c, 0, 9)) == '<textarea') { + $compress .= $c; + continue; + } else if (strtolower(substr($c, 0, 7)) == '<script' && strpos($c, '//') != false && (strpos($c, "\r") !== false || strpos($c, "\n") !== false)) { + $tmps = preg_split('/(\r|\n)/ms', $c, -1, PREG_SPLIT_NO_EMPTY); + $c = ''; + foreach ($tmps as $tmp) { + if (strpos($tmp, '//') !== false) { + if (substr(trim($tmp), 0, 2) == '//') { + continue; + } + $chars = preg_split('//', $tmp, -1, PREG_SPLIT_NO_EMPTY); + $is_quot = $is_apos = false; + foreach ($chars as $key => $char) { + if ($char == '"' && $chars[$key - 1] != '\\' && !$is_apos) { + $is_quot = !$is_quot; + } else if ($char == '\'' && $chars[$key - 1] != '\\' && !$is_quot) { + $is_apos = !$is_apos; + } else if ($char == '/' && $chars[$key + 1] == '/' && !$is_quot && !$is_apos) { + $tmp = substr($tmp, 0, $key); + break; + } + } + } + $c .= $tmp; + } + } + $c = preg_replace('/[\\n\\r\\t]+/', ' ', $c); + $c = preg_replace('/\\s{2,}/', ' ', $c); + $c = preg_replace('/>\\s</', '> <', $c); + $c = preg_replace('/\\/\\*.*?\\*\\//i', '', $c); + $c = preg_replace('/<!--[^!]*-->/', '', $c); + $compress .= $c; + } + return $compress; + } }
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