WordPress 网站压缩前端html代码

将以下代码放到网站当前使用主题根目录下的functions.php文件即可

/* 
*压缩html代码 
*Author URI:https://blog.jinlinet.com
*/
function wp_compress_html(){
    function wp_compress_html_main ($buffer){
        $initial=strlen($buffer);
        $buffer=explode("<!--wp-compress-html-->", $buffer);
        $count=count ($buffer);
        for ($i = 0; $i <= $count; $i++){
            if (stristr($buffer[$i], '<!--wp-compress-html no compression-->')) {
                $buffer[$i]=(str_replace("<!--wp-compress-html no compression-->", " ", $buffer[$i]));
            } else {
                $buffer[$i]=(str_replace("\t", " ", $buffer[$i]));
                $buffer[$i]=(str_replace("\n\n", "\n", $buffer[$i]));
                $buffer[$i]=(str_replace("\n", "", $buffer[$i]));
                $buffer[$i]=(str_replace("\r", "", $buffer[$i]));
                while (stristr($buffer[$i], '  ')) {
                    $buffer[$i]=(str_replace("  ", " ", $buffer[$i]));
                }
            }
            $buffer_out.=$buffer[$i];
        }
        //$final=strlen($buffer_out);   
        //$savings=($initial-$final)/$initial*100;   
        //$savings=round($savings, 2);   
        //$buffer_out.="\n<!--压缩前的大小: $initial bytes; 压缩后的大小: $final bytes; 节约：$savings% -->";   
    return $buffer_out;
}
ob_start("wp_compress_html_main");
}
add_action('get_header', 'wp_compress_html');

//文章代码不压缩
function unCompress($content) {
    if(preg_match_all('/(crayon-|<\/pre>)/i', $content, $matches)) {
        $content = '<!--wp-compress-html--><!--wp-compress-html no compression-->'.$content;
        $content.= '<!--wp-compress-html no compression--><!--wp-compress-html-->';
    }
    return $content;
}
add_filter( "the_content", "unCompress");