class EasyRdf_Literal_Boolean in Zircon Profile 8.0

Class that represents an RDF Literal of datatype xsd:boolean

@package EasyRdf @link http://www.w3.org/TR/xmlschema-2/#boolean @copyright Copyright (c) 2009-2013 Nicholas J Humfrey @license http://www.opensource.org/licenses/bsd-license.php

Hierarchy

• class \EasyRdf_Literal
  • class \EasyRdf_Literal_Boolean

1 string reference to 'EasyRdf_Literal_Boolean'

Literal.php in vendor/easyrdf/easyrdf/lib/EasyRdf/Literal.php

File

vendor/easyrdf/easyrdf/lib/EasyRdf/Literal/Boolean.php, line 46

class EasyRdf_Literal_Boolean extends EasyRdf_Literal {

  /** Constructor for creating a new boolean literal
   *
   * If the value is not a string, then it will be converted to 'true' or 'false'.
   *
   * @param  mixed  $value     The value of the literal
   * @param  string $lang      Should be null (literals with a datatype can't have a language)
   * @param  string $datatype  Optional datatype (default 'xsd:boolean')
   * @return object EasyRdf_Literal_Boolean
   */
  public function __construct($value, $lang = null, $datatype = null) {
    if (!is_string($value)) {
      $value = $value ? 'true' : 'false';
    }
    parent::__construct($value, null, $datatype);
  }

  /** Return the value of the literal cast to a PHP bool
   *
   * If the value is 'true' or '1' return true, otherwise returns false.
   *
   * @return bool
   */
  public function getValue() {
    return strtolower($this->value) === 'true' or $this->value === '1';
  }

  /** Return true if the value of the literal is 'true' or '1'
   *
   * @return bool
   */
  public function isTrue() {
    return strtolower($this->value) === 'true' or $this->value === '1';
  }

  /** Return true if the value of the literal is 'false' or '0'
   *
   * @return bool
   */
  public function isFalse() {
    return strtolower($this->value) === 'false' or $this->value === '0';
  }

}

Members

Name	Modifiers	Type	Description	Overrides
EasyRdf_Literal::$classMap	private static	property	@ignore A mapping from class name to datatype URI
EasyRdf_Literal::$datatype	protected	property	@ignore The datatype URI of the literal
EasyRdf_Literal::$datatypeMap	private static	property	@ignore a mapping from datatype uri to class name
EasyRdf_Literal::$lang	protected	property	@ignore The language of the literal (e.g. 'en')
EasyRdf_Literal::$value	protected	property	@ignore The string value for this literal
EasyRdf_Literal::create	public static	function	Create a new literal object
EasyRdf_Literal::deleteDatatypeMapping	public static	function	Remove the mapping between an RDF datatype and a PHP class name
EasyRdf_Literal::dumpValue	public	function	Return pretty-print view of the literal
EasyRdf_Literal::getDatatype	public	function	Returns the shortened datatype URI of the literal.
EasyRdf_Literal::getDatatypeForValue	public static	function	Get datatype URI for a PHP value.
EasyRdf_Literal::getDatatypeUri	public	function	Returns the full datatype URI of the literal.
EasyRdf_Literal::getLang	public	function	Returns the language of the literal.
EasyRdf_Literal::setDatatypeMapping	public static	function	Register an RDF datatype with a PHP class name
EasyRdf_Literal::toRdfPhp	public	function	Returns the properties of the literal as an associative array
EasyRdf_Literal::__toString	public	function	Magic method to return the value of a literal as a string
EasyRdf_Literal_Boolean::getValue	public	function	Return the value of the literal cast to a PHP bool Overrides EasyRdf_Literal::getValue
EasyRdf_Literal_Boolean::isFalse	public	function	Return true if the value of the literal is 'false' or '0'
EasyRdf_Literal_Boolean::isTrue	public	function	Return true if the value of the literal is 'true' or '1'
EasyRdf_Literal_Boolean::__construct	public	function	Constructor for creating a new boolean literal Overrides EasyRdf_Literal::__construct