Created
November 23, 2014 05:47
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Gravatar Library using V2EX CDN
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| <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); | |
| // Remove the very first line to use class outside of codeigniter | |
| /* | |
| * Gravatar library for use with codeigniter <V2EX driven> | |
| * | |
| * @author 0x142857 <[email protected]> | |
| * @link http://0x142857.com | |
| * @package Codeigniter | |
| * @subpackage Gravatar | |
| * | |
| */ | |
| class Gravatar { | |
| private $base_url = 'http://cdn.v2ex.com/gravatar/'; | |
| private $secure_base_url = 'https://cdn.v2ex.com/gravatar/'; | |
| /* | |
| * Set the email to be used, converting it into an md5 hash as required by gravatar.com | |
| * | |
| * @param string $email | |
| * | |
| * @return string|null Email hash or if email didn't validate then return NULL | |
| */ | |
| public function set_email($email) | |
| { | |
| $email = strtolower($email); | |
| $email = trim($email); | |
| if( ! filter_var($email, FILTER_VALIDATE_EMAIL) === FALSE) | |
| { | |
| return md5($email); | |
| } | |
| return NULL; | |
| } | |
| /* | |
| * get_gravatar_url | |
| * | |
| * @see http://en.gravatar.com/site/implement/images/ for available options | |
| * | |
| * @param string $rating defaults to g | |
| * @param string $size defaults to 80 | |
| * @param string $default_image default sets can be found on the above link | |
| * @param boolean $secure set to TRUE if a secure url is required | |
| * | |
| * @return string gratavar url | |
| */ | |
| public function get_gravatar($email, $rating = NULL, $size = NULL, $default_image = NULL, $secure = NULL) | |
| { | |
| $hash = $this->set_email($email); | |
| if ($hash === NULL) | |
| { | |
| // $hash has to be set to a value so the gravatar site can return a default image | |
| $hash = 'invalid_email'; | |
| } | |
| $query_string = NULL; | |
| $options = array(); | |
| if ($rating !== NULL) | |
| { | |
| $options['r'] = $rating; | |
| } | |
| if ($size !== NULL) | |
| { | |
| $options['s'] = $size; | |
| } | |
| if ($default_image !== NULL) | |
| { | |
| $options['d'] = urlencode($default_image); | |
| } | |
| if (count($options) > 0) | |
| { | |
| $query_string = '?'. http_build_query($options); | |
| } | |
| if ($secure !== NULL) | |
| { | |
| $base = $this->secure_base_url; | |
| } | |
| else | |
| { | |
| $base = $this->base_url; | |
| } | |
| return $base .'avatar/'. $hash . $query_string; | |
| } | |
| /* | |
| * Grab the full profile data for a given email from gravatar.com in xml format | |
| * | |
| * @param string $email | |
| * @param string fetch_method defaults to file, 'curl' is the other option | |
| * | |
| * @return object|null $xml->entry on success, NULL on an error | |
| */ | |
| public function get_profile($email, $fetch_method = 'file') | |
| { | |
| $hash = $this->set_email($email); | |
| if ($hash === NULL) | |
| { | |
| // A hash value of NULL will return no xml so the method returns NULL | |
| return NULL; | |
| } | |
| libxml_use_internal_errors(TRUE); | |
| if ($fetch_method === 'file') | |
| { | |
| if (ini_get('allow_url_fopen') == FALSE) | |
| { | |
| return NULL; | |
| } | |
| $str = file_get_contents($this->base_url . $hash .'.xml'); | |
| } | |
| if ($fetch_method === 'curl') | |
| { | |
| if ( ! function_exists('curl_init')) | |
| { | |
| return NULL; | |
| } | |
| $ch = curl_init(); | |
| $options = array( | |
| CURLOPT_RETURNTRANSFER => TRUE, | |
| CURLOPT_POST => TRUE, | |
| CURLOPT_URL => $this->secure_base_url . $hash .'.xml', | |
| CURLOPT_TIMEOUT => 3 | |
| ); | |
| curl_setopt_array($ch, $options); | |
| $str = curl_exec($ch); | |
| } | |
| $xml = simplexml_load_string($str); | |
| if ($xml === FALSE) | |
| { | |
| $errors = array(); | |
| foreach(libxml_get_errors() as $error) | |
| { | |
| $errors[] = $error->message.'\n'; | |
| } | |
| $error_string = implode('\n', $errors); | |
| throw new Exception('Failed loading XML\n'. $error_string); | |
| } | |
| else | |
| { | |
| return $xml->entry; | |
| } | |
| } | |
| } | |
| /* End of file Gravatar.php */ | |
| /* Location: ./application/libraries/Gravatar.php */ |
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Usage:
$this->load->library('gravatar');$this->gravatar->get_gravatar($email);Remove the first line to use as a common class outside Codeigniter.
as is used in In-Sekai