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Gravatar link generator class

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Gravatar link generator class

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  1. <?php
  2.  
  3. /**
  4.  * Gravatar link generator class
  5.  *
  6.  * @author xuanyan <[email protected]>
  7.  * @link   http://www.kukufun.com
  8.  */
  9.  
  10. // example1:
  11. // $gravatar = new Gravatar('[email protected]');
  12. // $gravatar->setDefault('monsterid')->setSize(100);
  13. // echo $gravatar;
  14. // 
  15. // example2:
  16. // $url = Gravatar::creat('[email protected]')
  17. //            ->setDefault('http://www.kukufun.com/images/logo.png')
  18. //            ->setRating('x')
  19. //            ->__toString();
  20.  
  21.  
  22.  
  23. class Gravatar
  24. {
  25.     private static $default_array = array('identicon', 'wavatar', 'monsterid');
  26.     private static $rating_array = array('g', 'pg', 'r', 'x');
  27.  
  28.     private $size = 80;
  29.     private $rating = 'g';
  30.     private $default = '';
  31.     private $email = '';
  32.     const URL = 'http://www.gravatar.com/avatar/';
  33.  
  34.     public function __construct($email = '')
  35.     {
  36.         $this->email = md5(trim((string)$email));
  37.     }
  38.  
  39.     public static function creat($email = '')
  40.     {
  41.         return new self($email);
  42.     }
  43.  
  44.     public function setRating($rating = 'g')
  45.     {
  46.         if (in_array($rating, self::$rating_array))
  47.         {
  48.             $this->rating = $rating;
  49.         }
  50.  
  51.         return $this;
  52.     }
  53.  
  54.     public function setDefault($default = '')
  55.     {
  56.         $default = trim($default);
  57.         if (substr($default, 0, 4) == 'http')
  58.         {
  59.             $this->default = urlencode($default);
  60.         }
  61.         elseif (in_array($default, self::$default_array))
  62.         {
  63.             $this->default = $default;
  64.         }
  65.  
  66.         return $this;
  67.     }
  68.  
  69.     public function setSize($size = 80)
  70.     {
  71.         $size = intval($size);
  72.         $size < 1 && $size = 1;
  73.         $size > 512 && $size = 512;
  74.         $this->size = $size;
  75.  
  76.         return $this;
  77.     }
  78.  
  79.     public function __toString()
  80.     {
  81.         $result = self::URL . $this->email . '?s=' . $this->size . '&r=' .$this->rating;
  82.         $this->default && $result .= '&d=' . $this->default;
  83.  
  84.         return $result;
  85.     }
  86. }
  87. ?>

URL: http://www.kukufun.com

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