Jyxo\XmlReader::getTextValue PHP Method

    public function getTextValue() : string
    {
        if (self::ELEMENT === $this->nodeType && $this->isEmptyElement) {
            return '';
        }
        $depth = 1;
        $text = '';
        while (0 !== $depth && $this->read()) {
            if (isset($this->textTypes[$this->nodeType])) {
                $text .= $this->value;
            } elseif (self::ELEMENT === $this->nodeType) {
                if (!$this->isEmptyElement) {
                    $depth++;
                }
            } elseif (self::END_ELEMENT === $this->nodeType) {
                $depth--;
            }
        }
        return $text;
    }

 /**
  * Tests the getTextValue() method.
  *
  * @see \Jyxo\XmlReader::getTextValue()
  */
 public function testGetTextValue()
 {
     // In the form: tag (key), expected value (value)
     $tests = array();
     $tests['one'] = 'word';
     $tests['second'] = 'two words';
     $tests['third'] = 'three simple words';
     $tests['forth'] = "\n\t\tfour words on several lines\n\t";
     $tests['fifth'] = 'fifth test with tags';
     $tests['sixth'] = 'sixth test with tags and inner tags';
     $this->reader->open($this->path . '/text.xml');
     $this->reader->next('test');
     while ($this->reader->read()) {
         if ($this->reader->nodeType == \XMLReader::ELEMENT) {
             $this->assertEquals($tests[$this->reader->name], $this->reader->getTextValue());
         }
     }
 }