setDefaultImage($config->get('gravatar.default')); $this->defaultSize = $config->get('gravatar.size'); $this->setMaxRating($config->get('gravatar.maxRating', 'g')); $this->enableSecureImages(); } /** * Return the URL of a Gravatar. Note: it does not check for the existence of this Gravatar. * * @param string $email The email address. * @param int $size Override the size of the Gravatar. * @param null|string $rating Override the default rating if you want to. * * @return string The URL of the Gravatar. */ public function src($email, $size = null, $rating = null) { if (is_null($size)) { $size = $this->defaultSize; } $size = max(1, min(self::MAX_SIZE, $size)); $this->setAvatarSize($size); if (!is_null($rating)) { $this->setMaxRating($rating); } return $this->buildGravatarURL($email); } /** * Return the code of HTML image for a Gravatar. * * @param string $email The email address. * @param string $alt The alt attribute for the image. * @param array $attributes Override the 'height' and the 'width' of the image if you want. * @param null|string $rating Override the default rating if you want to. * * @return string The code of the HTML image. */ public function image($email, $alt = null, $attributes = [], $rating = null) { $dimensions = []; if (array_key_exists('width', $attributes)) { $dimensions[] = $attributes['width']; } if (array_key_exists('height', $attributes)) { $dimensions[] = $attributes['height']; } if (count($dimensions) > 0) { $size = min(self::MAX_SIZE, max($dimensions)); } else { $size = $this->defaultSize; } $src = $this->src($email, $size, $rating); if (!array_key_exists('width', $attributes) && !array_key_exists('height', $attributes)) { $attributes['width'] = $this->size; $attributes['height'] = $this->size; } return $this->formatImage($src, $alt, $attributes); } /** * Check if a Gravatar image exists. * * @param string $email The email address. * * @return bool True if the Gravatar exists, false otherwise. */ public function exists($email) { $this->setDefaultImage('404'); $url = $this->buildGravatarURL($email); $headers = get_headers($url, 1); return substr($headers[0], 9, 3) == '200'; } /** * Get the HTML image code. * * @param string $src The source attribute of the image. * @param string $alt The alt attribute of the image. * @param array $attributes Used to set the width and the height. * * @return string The HTML code. */ private function formatImage($src, $alt, $attributes) { return sprintf('', $src, $alt, $attributes['height'], $attributes['width']); } }