fix dir var

footer.php

@@ -4,7 +4,7 @@
 
     <footer class="footer">
       <div class="container">
-        <p class="text-muted"><a href="<?=$dir?>">CS326 Pattern Book</a> - <a href="//benharris.ch">Ben Harris</a></p>
+        <p class="text-muted"><a href="<?=$dir?>">CS326 Pattern Book</a> - <a href="https://tilde.team/~ben/">Ben Harris</a></p>
       </div>
     </footer>
 
@@ -21,4 +21,4 @@
     </script>
 
 </body>
-</html>
+</html>

header.php

@@ -1,8 +1,8 @@
 <?php
 include "common_fns.php";
-$dir = "/";
-$menu = array(
-  "Creational" => array(
+$dir = $dir ?? implode(explode("index.php", $_SERVER["SCRIPT_NAME"]));
+$menu = $menu ?? [
+  "Creational" => [
     "Factory" => "$dir?factory",
     "Double Dispatch" => "$dir?doubledispatch",
     "Prototype" => "$dir?prototype",
@@ -11,8 +11,8 @@ $menu = array(
     "Builder" => "$dir?builder",
     "Singleton" => "$dir?singleton",
     "Null Object" => "$dir?nullobject"
-  ),
-  "Behavioral" => array(
+  ],
+  "Behavioral" => [
     "Command" => "$dir?command",
     "Observer" => "$dir?observer",
     "Mediator" => "$dir?mediator",
@@ -24,8 +24,8 @@ $menu = array(
     "Template Method" => "$dir?template",
     "State" => "$dir?state",
     "Strategy" => "$dir?strategy"
-  ),
-  "Structural" => array(
+  ],
+  "Structural" => [
     "Facade" => "$dir?facade",
     "Composite" => "$dir?composite",
     "Decorator" => "$dir?decorator",
@@ -34,8 +34,8 @@ $menu = array(
     "Adapter" => "$dir?adapter",
     "Flyweight" => "$dir?flyweight",
     "Proxy" => "$dir?proxy"
-  )
-);
+  ]
+];
 
 
 ?>

index.php

@@ -28,7 +28,7 @@ include_once "header.php";
   <h3>Ben Harris' Pattern Book</h3>
 </div>
 
-<p>This is collection of experiences I have noticed in my experiences with software development so far.</p>
+<p>This is a collection of experiences I have noticed in my experiences with software development so far.</p>
 <p>Patterns are:</p>
 <ul>
   <li>element of grammar</li>
@@ -48,3 +48,4 @@ include_once "header.php";
 <div class="page-header"><h2><strong>Allow, don't force.</strong></h2></div>
 
 <?php include_once "footer.php";
+

pattern.php

@@ -1,5 +1,6 @@
 <?php
-if(empty($pattern)){header("Location: /"); die();}
+$dir = $dir ?? implode(explode("index.php", $_SERVER["SCRIPT_NAME"]));
+if(empty($pattern)){header("Location: $dir"); die();}
 
 include_once "header.php";