WordPress前端代码压缩

//无插件压缩WordPress前端代码

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;

}

//WordPress后台不压缩

if ( !is_admin() ) {

ob_start("wp_compress_html_main");

}

}

add_action('init', 'wp_compress_html');

//当检测到文章内容中有代码标签时文章内容不会被压缩

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");

<!--wp-compress-html--><!--wp-compress-html no compression-->

<!--wp-compress-html no compression--><!--wp-compress-html-->