protected function checkStartHashElement($data)
    {
        $this->checkStart('hashElement', $data, array('document', 'objectElement', 'hashElement', 'list'));

        $last = count($this->stack) - 2;
        if ($this->stack[$last][0] !== 'list') {
            // Ensure hash element type only occurs once outside of lists
            if (isset($this->stack[$last][2][$data])) {
                throw new Exceptions\OutputGeneratorException(
                    "Element {$data} may only occur once inside of {$this->stack[$last][0]}."
                );
            }
        }
        $this->stack[$last][2][$data] = true;
    }
protected function checkStartHashElement($data)
    {
        $this->checkStart('hashElement', $data, array('document', 'objectElement', 'hashElement', 'list'));

        $last = count($this->stack) - 2;
        if ($this->stack[$last][0] !== 'list') {
            // Ensure hash element type only occurs once outside of lists
            if (isset($this->stack[$last][2][$data])) {
                throw new Exceptions\OutputGeneratorException(
                    "Element {$data} may only occur once inside of {$this->stack[$last][0]}."
                );
            }
        }
        $this->stack[$last][2][$data] = true;
    }
protected function checkStartHashElement ( $ data ) { $ this -> checkStart ( 'hashElement' , $ data , array ( 'document' , 'objectElement' , 'hashElement' , 'list' ) ) ; $ last = count ( $ this -> stack ) - 2 ; if ( $ this -> stack [ $ last ] [ 0 ] !== 'list' ) { // Ensure hash element type only occurs once outside of lists if ( isset ( $ this -> stack [ $ last ] [ 2 ] [ $ data ] ) ) { throw new Exceptions \ OutputGeneratorException ( "Element {$data} may only occur once inside of {$this->stack[$last][0]}." ) ; } } $ this -> stack [ $ last ] [ 2 ] [ $ data ] = true ; }
Check start hash element.

@param mixed $data
Check start hash element .