3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!function_exists('gravatar')) { function gravatar($user_id = false, $secure = false, $force = false) { // $CI =& get_instance(); $endpoint = 'http://gravatar.com/'; $secure_endpoint = 'https://secure.gravatar.com/'; $fallback = 'http://www.gravatar.com/avatar/00000000000000000000000000000000?d=mm&f=y'; $params = array( 's' => '250', // size 'd' => urlencode($fallback), // default (fallback) ); if (!$force) { if (!$user_id) { return $fallback; } } else { $params['f'] = 'y'; } // $email = $CI->members_model->gravatarEmail($user_id); $email = md5('test@example.com'); return ($secure ? $secure_endpoint : $endpoint) . 'avatar/' . $email . '?' . http_build_query($params); } } echo gravatar('0', true);
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
http://www.gravatar.com/avatar/00000000000000000000000000000000?d=mm&f=y

preferences:
199.68 ms | 405 KiB | 311 Q