changes from @mieszkou

https://github.com/danpros/htmly/pull/558

system/includes/functions.php

@@ -200,7 +200,7 @@ function rebuilt_cache($type)
         if (is_array($tmp)) {
             foreach ($tmp as $file) {
                 if(strpos($file, '/draft/') === false) {
-                    $posts_cache_sorted[] = pathinfo($file);
+                    $posts_cache_sorted[] = array_merge(pathinfo($file), ['content' => preg_replace('/\s+/', '', (file_get_contents($file)))]);
                 }
             }
         }
@@ -967,7 +967,7 @@ function get_keyword($keyword, $page, $perpage)
 
     foreach ($posts as $index => $v) {
         $arr = explode('_', $v['basename']);
-        $filter = $arr[1] . ' ' . $arr[2];
+        $filter = $arr[1] . ' ' . $arr[2] . ' ' . $v['content'];
         foreach ($words as $word) {
             if (stripos($filter, $word) !== false) {
                 if (!in_array($v, $tmp)) {
@@ -1158,7 +1158,7 @@ function keyword_count($keyword)
 
     foreach ($posts as $index => $v) {
         $arr = explode('_', $v['basename']);
-        $filter = $arr[1] . ' ' . $arr[2];
+        $filter = $arr[1] . ' ' . $arr[2] . ' ' . $v['content'];
         foreach ($words as $word) {
             if (stripos($filter, $word) !== false) {
                 $tmp[] = $v;