Import Gravatar from BNETDocs/bnetdocs-web@0a93306

src/libraries/Gravatar.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace CarlBennett\MVC\Libraries;
+
+class Gravatar {
+
+  const GRAVATAR_BASE_URL = "//www.gravatar.com/avatar/";
+
+  protected $email;
+
+  public function __construct($email) {
+    $this->email = $email;
+  }
+
+  public function getEmail() {
+    return $this->email;
+  }
+
+  public function getHash() {
+    return hash("md5", strtolower(trim($this->email)));
+  }
+
+  public function getUrl(
+    $size = null, $default = null, $forcedefault = null, $rating = null
+  ) {
+    $url = self::GRAVATAR_BASE_URL . $this->getHash();
+    $args = [];
+    if (!is_null($size))         $args["s"] = $size;
+    if (!is_null($default))      $args["d"] = $default;
+    if (!is_null($forcedefault)) $args["f"] = $forcedefault;
+    if (!is_null($rating))       $args["r"] = $rating;
+    $query = http_build_query($args);
+    if ($query) $url .= "?" . $query;
+    return $url;
+  }
+}