scratch
| /vendor/fusonic/opengraph/src/Publisher.php |
|---|
| @@ -0,0 +1,62 @@ |
| <?php |
| namespace Fusonic\OpenGraph; |
| use Fusonic\OpenGraph\Objects\ObjectBase; |
| /** |
| * Class for generating Open Graph tags from objects. |
| */ |
| class Publisher |
| { |
| const DOCTYPE_HTML5 = 1; |
| const DOCTYPE_XHTML = 2; |
| /** |
| * Defines the style in which HTML tags should be written. Use one of Publisher::DOCTYPE_HTML5 or |
| * Publisher::DOCTYPE_XHTML. |
| * |
| * @var int |
| */ |
| public $doctype = self::DOCTYPE_HTML5; |
| public function __construct() |
| { |
| } |
| public function generateHtml(ObjectBase $object) |
| { |
| $html = ""; |
| $format = "<meta property=\"%s\" content=\"%s\"" . ($this->doctype == self::DOCTYPE_XHTML ? " />" : ">"); |
| foreach ($object->getProperties() as $property) { |
| if ($html !== "") { |
| $html .= "\n"; |
| } |
| if ($property->value === null) { |
| continue; |
| } elseif ($property->value instanceof \DateTime) { |
| $value = $property->value->format("c"); |
| } elseif (is_object($property->value)) { |
| throw new \UnexpectedValueException( |
| sprintf( |
| "Cannot handle value of type '%0' for property '%1'.", |
| get_class($property->value), |
| $property->key |
| ) |
| ); |
| } elseif ($property->value === true) { |
| $value = "1"; |
| } elseif ($property->value === false) { |
| $value = "0"; |
| } else { |
| $value = (string)$property->value; |
| } |
| $html .= sprintf($format, $property->key, htmlspecialchars($value)); |
| } |
| return $html; |
| } |
| } |