public function EasyRdf_Literal_HexBinary::__construct in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 vendor/easyrdf/easyrdf/lib/EasyRdf/Literal/HexBinary.php \EasyRdf_Literal_HexBinary::__construct()

Constructor for creating a new xsd:hexBinary literal

Parameters

mixed $value The value of the literal (already encoded as hexadecimal):

string $lang Should be null (literals with a datatype can't have a language):

string $datatype Optional datatype (default 'xsd:hexBinary'):

Return value

object EasyRdf_Literal_HexBinary

Overrides EasyRdf_Literal::__construct

File

vendor/easyrdf/easyrdf/lib/EasyRdf/Literal/HexBinary.php, line 55

Class

EasyRdf_Literal_HexBinary

Class that represents an RDF Literal of datatype xsd:hexBinary

Code

public function __construct($value, $lang = null, $datatype = null) {

  // Normalise the canonical representation, as specified here:
  // http://www.w3.org/TR/xmlschema-2/#hexBinary-canonical-repr
  $value = strtoupper($value);

  // Validate the data
  if (preg_match('/[^A-F0-9]/', $value)) {
    throw new InvalidArgumentException("Literal of type xsd:hexBinary contains non-hexadecimal characters");
  }
  parent::__construct(strtoupper($value), null, 'xsd:hexBinary');
}