settings.diff

diff --git a/CRM/Utils/PhpData.php b/CRM/Utils/PhpData.php
new file mode 100644
index 0000000..0f3cac9
--- /dev/null
+++ b/CRM/Utils/PhpData.php
@@ -0,0 +1,58 @@
+<?php
+
+/**
+ * Read/write a serialized data file based on PHP's var_export() format
+ *
+ * @code
+ * $data = CRM_Utils_PhpData::create('/tmp/example.php')->load();
+ * CRM_Utils_PhpData::create('/tmp/example.php')->save($data);
+ * @endCode
+ */
+class CRM_Utils_PhpData {
+
+  /**
+   * @var string
+   */
+  protected $path;
+
+  /**
+   * @var
+   */
+  protected $header;
+
+  public function __construct($path, $header = NULL) {
+    $this->path = $path;
+    $this->header = $header;
+  }
+
+  /**
+   * @param string $path
+   * @param string|NULL $header
+   * @return \CRM_Utils_PhpData
+   */
+  public static function create($path, $header = NULL) {
+    return new CRM_Utils_PhpData($path, $header);
+  }
+
+  /**
+   * Read from file
+   */
+  public function load() {
+    return include $this->path;
+  }
+
+  /**
+   * Write the xml document
+   */
+  public function save($data) {
+    $content = "<?php\n";
+    if ($this->header) {
+      $content .= $this->header;
+    }
+    $content .= "\nreturn ";
+    $content .= var_export($data, TRUE);
+    $content .= ";";
+    file_put_contents($this->path, $content);
+  }
+
+}
diff --git a/templates/CRM/common/civicrm.settings.php.template b/templates/CRM/common/civicrm.settings.php.template
index 44f2d7b..6216e60 100644
--- a/templates/CRM/common/civicrm.settings.php.template
+++ b/templates/CRM/common/civicrm.settings.php.template
@@ -419,6 +419,13 @@ if (CIVICRM_UF === 'UnitTests') {
   if (!defined('CIVICRM_MYSQL_STRICT')) define('CIVICRM_MYSQL_STRICT', true);
 }
 
+if (file_exists(__DIR__ . '/civicrm.settings.extra.php')) {
+  $data = require_once __DIR__ . '/civicrm.settings.extra.php';
+  foreach ($data['define'] as $key => $value) {
+    if (!defined($key)) define($key, $value);
+  }
+}
+
 /**
  *
  * Do not change anything below this line. Keep as is

How do I implement this code onto a 4.7 CiviCRM, WordPress installation. I need to add the extra "CiviCRM in it's own directory" feature.