add emoji list page

boilerplate/question.php

@@ -31,7 +31,7 @@ function insertEmoji($text) {
         $url = pg_fetch_array($queryResponse);
 
         if (pg_num_rows($queryResponse) !== 0) {
-          $out .= "<img class=\"emoji\" src=\"{$url['url']}\" alt=\"${segment}\">";
+          $out .= "<img class=\"emoji\" src=\"{$url['url']}\" alt=\":${segment}:\">";
           $allowNext = false;
           continue;
         }

emoji.php

@@ -0,0 +1,37 @@
+<?php
+
+include "config.php";
+
+$query = "
+SELECT * FROM emoji
+ORDER BY name;
+";
+
+$queryResponse = pg_query($db, $query);
+$emoji = pg_fetch_all($queryResponse);
+
+$properTitle = "{$pageTitle} &mdash; emoji list";
+include "boilerplate/pageStart.php";
+
+echo("<a href=\"index.php\">(go back?)</a>");
+
+if (!$emojiEnabled) {
+  echo("emoji aren't enabled");
+  include "boilerplate/pageEnd.php";
+  exit();
+}
+
+echo("<ul>");
+
+foreach ($emoji as $e) {
+  echo("<li>
+    <img class=\"emoji\" src=\"{$e['url']}\" alt=\":{$e['name']}:\">
+    :{$e['name']}:
+  </li>");
+}
+
+echo("</ul>");
+
+include "boilerplate/pageEnd.php";
+
+?>