original_string: public function __isset($var)
      {
          // Look for access of the form {ns:var}. We don't use
          // _children() here because we can break out of the loop
          // immediately once we find something.
          if (strpos($var, ':') !== false) {
              list($ns, $elt) = explode(':', $var, 2);
              foreach ($this->_element->childNodes as $child) {
                  if ($child->localName == $elt && $child->prefix == $ns) {
                      return true;
                  }
              }
          } else {
              foreach ($this->_element->childNodes as $child) {
                  if ($child->localName == $var) {
                      return true;
                  }
              }
          }
      }
code: public function __isset($var)
      {
          // Look for access of the form {ns:var}. We don't use
          // _children() here because we can break out of the loop
          // immediately once we find something.
          if (strpos($var, ':') !== false) {
              list($ns, $elt) = explode(':', $var, 2);
              foreach ($this->_element->childNodes as $child) {
                  if ($child->localName == $elt && $child->prefix == $ns) {
                      return true;
                  }
              }
          } else {
              foreach ($this->_element->childNodes as $child) {
                  if ($child->localName == $var) {
                      return true;
                  }
              }
          }
      }
code_tokens: public function __isset ( $ var ) { // Look for access of the form {ns:var}. We don't use // _children() here because we can break out of the loop // immediately once we find something. if ( strpos ( $ var , ':' ) !== false ) { list ( $ ns , $ elt ) = explode ( ':' , $ var , 2 ) ; foreach ( $ this -> _element -> childNodes as $ child ) { if ( $ child -> localName == $ elt && $ child -> prefix == $ ns ) { return true ; } } } else { foreach ( $ this -> _element -> childNodes as $ child ) { if ( $ child -> localName == $ var ) { return true ; } } } }
docstring: Map isset calls onto the underlying entry representation.
  
  @param  string $var
  @return boolean
docstring_tokens: Map isset calls onto the underlying entry representation .