Adds beginning of status code handling, better status code reporting

inc/class.php

@@ -84,9 +84,17 @@ class Follow
             {
                 $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
                 $this->code = ($code) ? $code : 0;
-                if ($code == 200) {
+
+                // handle certain codes specifically
+                switch ($code)
+                {
+                    case 200:
                         $this->updatePath($this->step, 'code', $this->code);
                         return true;
+                    case 404:
+                        $this->updatePath($this->step, 'code', $this->code);
+                        $this->setError(['type' => 'code', 'message' => 'URL returned a 404 error response.']);
+                        return true;
                 }
             }
             else

inc/search.php

@@ -24,6 +24,7 @@ if (isset($_POST['url']))
             // end on an error
             if ($request->error)
             {
+                $error = $request->error;
                 break;
             }
 
@@ -33,7 +34,7 @@ if (isset($_POST['url']))
             // update our code
             $code = ($request->code) ? $request->code : false;
 
-        } while ($code != 200);
+        } while (substr($code, 0, 1) != 2);
     }
     else
     {

inc/style.css

@@ -116,6 +116,16 @@ button[type="submit"]:hover {
   background-color: #f0eded;
 }
 
+address {
+    display: flex;
+    align-self: stretch;
+    align-items: center;
+    justify-content: center;
+    font-style: normal;
+    padding: 0.5rem 0;
+    background: #ffdee3;
+}
+
 main {
     align-items: center;
     align-self: stretch;
@@ -252,13 +262,21 @@ td {
   vertical-align: top;
   word-wrap: anywhere;
 }
+td:first-child {
+    text-align: center;
+}
 td:nth-child(2) {
     line-height: 1.5rem;
     padding: 0.8rem 1rem;
+    width: 100%;
 }
 td:nth-child(2) a:hover {
     text-decoration-color: transparent;
 }
+td:nth-child(4) {
+    text-align: center;
+    padding-right: 1.5rem;
+}
 td b {
     border: 1px solid #aaa;
     border-right-width: 2px;
@@ -271,10 +289,17 @@ td b {
     padding: 0 0.25rem;
     transition: border-color 150ms ease-in-out, color 150ms ease-in-out;
 }
+td b i {
+    display: inline-block;
+    transition: transform 150ms ease-in-out;
+}
 td:nth-child(2) a:hover b {
     border-color: #1a1a1a;
     color: #1a1a1a;
 }
+td:nth-child(2) a:hover b i {
+    transform: rotate(45deg);
+}
 tbody tr:nth-child(odd) td {
   background-color: #fff;
 }

index.php

@@ -19,28 +19,33 @@ include('inc/codes.php');
             </nav>
         </menu>
         <form method="post" action="/" type="application/x-www-form-urlencoded">
-            <input type="url" value="" placeholder="URL to check..." name="url">
+            <input type="url" value="<?php echo $url; ?>" placeholder="URL to check..." name="url">
             <button type="submit">Check</button>
         </form>
     </header>
-    <main>
 
 <?php
 // error message display
 if (isset($error))
 {
-
+    echo "
+    <address>
+        ".$error['message']."
+    </address>";
 }
+?>
 
+    <main>
+<?php
 // if we have a valid request object
 if (isset($request) && count($request->path) > 0)
 {
     $steps = count($request->path) - 1;
-    $count = ($steps == 1) ? '1 redirect' : $steps.' redirects';
+    $count = ($steps == 1) ? 'once' : $steps.' times';
     echo "
         <article>
             <h2>Final destination</h2>
-        <p>The URL you traced had ".$count." and ended here:</p>
+            <p>Your URL returned a <code><strong>".$request->code."</strong></code> status code and redirected ".$count.":</p>
             <p class=\"final\">
                 <a href=\"".$request->getFinalRedirect()."\" target=\"blank\">
                     ".$request->getFinalRedirect()."
@@ -61,11 +66,11 @@ if (isset($request) && count($request->path) > 0)
       $item = $step['step'];
       $url =  $step['url'];
       $code = $step['code'];
-      $next = ($step['next']) ? '⥂⇄↩︎' : '✓';
+      $next = ($step['next']) ? '↩︎' : ((isset($error)) ? 'x' : '✓');
       echo "
                     <tr>
                         <td>".$item."</td>
-                    <td>".$url." <a href=\"".$url."\" target=\"blank\"><b>↗︎</b></a></td>
+                        <td>".$url." <a href=\"".$url."\" target=\"blank\"><b><i>↗︎</i></b></a></td>
                         <td><code>".$code."</code></td>
                         <td>".$next."</td>
                     </tr>";
@@ -100,8 +105,7 @@ else
             <p>
                 Other curl settings
             </p>
-    </article>
-  ";
+        </article>";
 }
 ?>
         <aside>