Meta data (OpenGraph) toegevoegd.

common/classes/MetaData.php

@@ -0,0 +1,35 @@
+<?php
+namespace Model;
+
+class MetaData {
+  private $data = ['type' => 'article', 'locale' => 'nl-nl'];
+
+  public function set($prop, $val) {
+    if($val) {
+      $this->data[$prop] = $val;
+    }
+    return $this;
+  }
+
+  public function append($prop, $val) {
+    if(array_key_exists($prop, $this->data)) {
+      $this->data[$prop] .= $val;
+    }
+    return $this;
+  }
+
+  public function prepend($prop, $val) {
+    if(array_key_exists($prop, $this->data)) {
+      $this->data[$prop] = $val . $this->data[$prop];
+    }
+    return $this;
+  }
+
+  public function metaTags() {
+    foreach($this->data as $prop => $val) {
+      if($val) {
+        echo "<meta property=\"og:$prop\" content=\"" . htmlentities($val) . "\" />\n";
+      }
+    }
+  }
+}