Undefined offset

[Haoshenqi0123]

php 91porn.php 报错，求大佬帮忙看下
node -v
v10.15.3
php -v
PHP 7.0.33
///////////////////////////
PHP Notice: Undefined offset: 1 in /mnt/codeStudy/av/91porn_php/detailPage.php on line 34
PHP Notice: Use of undefined constant LIBXML_HTML_NODEFDTD - assumed 'LIBXML_HTML_NODEFDTD' in /mnt/codeStudy/av/91porn_php/vendor/imangazaliev/didom/src/DiDom/Document.php on line 231
PHP Fatal error: Uncaught InvalidArgumentException: DiDom\Document::load expects parameter 4 to be integer, string given in /mnt/codeStudy/av/91porn_php/vendor/imangazaliev/didom/src/DiDom/Document.php:235
Stack trace:
#0 /mnt/codeStudy/av/91porn_php/vendor/imangazaliev/didom/src/DiDom/Document.php(69): DiDom\Document->load('http://91porn.c...', true, 'html')
#1 /mnt/codeStudy/av/91porn_php/91porn.php(12): DiDom\Document->__construct('http://91porn.c...', true, 'User-Agent:Mozi...')
#2 /mnt/codeStudy/av/91porn_php/91porn.php(24): listPage()
#3 {main}
thrown in /mnt/codeStudy/av/91porn_php/vendor/imangazaliev/didom/src/DiDom/Document.php on line 235