PHP压缩HTML代码
保留code pre中的代码
function compressHtml($string) {
$matches = array();
preg_match_all('/(<(?:pre|code)>.+?<\/(?:pre|code)>)+/is',$string,$matches);
foreach((array)$matches[1] as $k => $v) {
$string = str_replace($v,"#{$k}#",$string);
}
$string = str_replace("\r\n",'',$string); //清除换行符
$string = str_replace("\n",'',$string); //清除换行符
$string = str_replace("\t",'',$string); //清除制表符
$pattern = array("/> *([^ ]*) *</","/[\s]+/","/<!--[^!]*-->/","/\" /","/ \"/","'/\*[^*]*\*/'");
$replace = array(">\\1<"," ","","\"","\"","");
$string = preg_replace($pattern,$replace,$string);
foreach((array)$matches[1] as $k => $v){
$string = str_replace("#{$k}#",$v,$string);
}
return $string;
}
思路就是提前替换出 pre code 的块内容
在处理完之后,再替换回来
动态压缩
nginx 直接开 gzip 压缩
效率和性能比用php做要高
保留code pre中的代码
function compressHtml($string) {
$matches = array();
preg_match_all('/(<(?:pre|code)>.+?<\/(?:pre|code)>)+/is',$string,$matches);
foreach((array)$matches[1] as $k => $v) {
$string = str_replace($v,"#{$k}#",$string);
}
$string = str_replace("\r\n",'',$string); //清除换行符
$string = str_replace("\n",'',$string); //清除换行符
$string = str_replace("\t",'',$string); //清除制表符
$pattern = array("/> *([^ ]*) *</","/[\s]+/","/<!--[^!]*-->/","/\" /","/ \"/","'/\*[^*]*\*/'");
$replace = array(">\\1<"," ","","\"","\"","");
$string = preg_replace($pattern,$replace,$string);
foreach((array)$matches[1] as $k => $v){
$string = str_replace("#{$k}#",$v,$string);
}
return $string;
}
思路就是提前替换出 pre code 的块内容
在处理完之后,再替换回来
动态压缩
nginx 直接开 gzip 压缩
效率和性能比用php做要高
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