Fix for issue #18

The page generation now checks for the size of $file_arr and only
generates a menu if the size os greater than 0.

blog/by_tag/index.php

@@ -4,36 +4,7 @@
 
   echo "<article><h1 id=\"page_title\">Posts by Tag</h1></article>";
   echo "<div id=\"search_inputs\"><input type=\"text\" id=\"tag_sort\" onkeyup=\"tag_search()\" placeholder=\"Search Tags...\" title=\"Type a tage to search\"><input id=\"search_toggle\" type=\"button\" value=\"Search Titles\" onclick=\"search_toggle()\"></div><!--End Div Search Inputs-->";
-
+  function read_tags($tags_file){
-  //if(file_exists("tags.csv")){
-    //echo "<ul id=\"tag_menu\">\n";
-    //$csv = array_map('str_getcsv', file("tags.csv"));
-    //array_walk($csv, function(&$a) use ($csv) {
-      //$a = array_combine($csv[0], $a);
-    //});
-    //array_shift($csv); # remove column header
-    //foreach ($csv as $row){
-      //$counter = 0;
-      //foreach ($row as $item){
-        //$counter++;
-        //if ($counter == 1){
-          //echo "\t<li id=\"" . $item . "\">" . $item . " <a id=\"" . $item . "\"></a>\n";
-        //} elseif ($counter % 2 == 0) {
-          //if ($item == ""){
-            //break;
-          //} else {
-            //echo "\t\t<ol><a href=\"" . $item . "\">";
-          //}
-        //} elseif ($counter % 2 != 0) {
-          //echo $item . "</a></ol>\n";
-        //}
-      //}
-      //echo "\t</li>\n";
-    //}
-    //echo "</ul>\n";
-  //}
-  
-  # Tags rewrite
     $tags_csv = array_map('str_getcsv', file('tags.csv'));
     $tags_rows = sizeof($tags_csv);
     $tags_coloums = sizeof($tags_csv[0]);
@@ -64,5 +35,20 @@
       $coloum_number++;
     }
     echo "</ul>\n";
+  }
+  
+  
+  # Tags rewrite
+  if (file_exists('tags.csv')){
+    read_tags('tags.csv');
+  } elseif( file_exists('tags.csv.bak') ){
+    if (copy('tags.csv.bak', './tags.csv')) {
+      read_tags('tags.csv');
+    }
+  }else {
+    $empty_csv = fopen("tags.csv", "w") or die("Cannot write new tags.csv file.");
+    fwrite($empty_csv, "");
+    fclose($empty_csv);
+  }
   include_once ($_SERVER['DOCUMENT_ROOT'].'/common/php/footer.php');
 ?>

common/php/page_menu.php

@@ -23,6 +23,7 @@ if (file_exists($dir) && is_dir($dir) ) {
   $files_arr = array_diff($scan_arr, array('.','..','index.php','common','.htaccess') );
   // echo "<pre>"; print_r( $files_arr ); echo "</pre>";
   // Get each files of our directory with line break
+  if (sizeof($files_arr) != 0 ) {
     foreach ($files_arr as $file) {
       //Get the file path
       $file_path = "./".$file;
@@ -42,6 +43,7 @@ if (file_exists($dir) && is_dir($dir) ) {
       echo("<ul><li><a href='$file'> $link_title </a></li></ul>\n");//Output the result.
     }
   }
+}
 else {
   echo "Directory does not exists";
 }