麻烦大佬看看这个报错

[deemoartisan]

PHP Fatal error: Uncaught Error: Call to undefined function curl_init() in /content/drive/91/php/detailPage.php:52
Stack trace:
#0 /content/drive/91/php/91porn.php(11): getHtml('http://91porn.c...')
#1 /content/drive/91/php/91porn.php(24): listPage()
#2 {main}
thrown in /content/drive/91/php/detailPage.php on line 52

[deemoartisan]

上面那个是porn.php,下面这个是all的，也报错
http://91porn.com/v.php?next=watch&page=2
PHP Fatal error: Uncaught Error: Call to undefined function curl_init() in /content/drive/91/php/detailPage.php:52
Stack trace:
#0 /content/drive/91/php/91all.php(14): getHtml('http://91porn.c...')
#1 /content/drive/91/php/91all.php(35): listPage('http://91porn.c...', 2, 100)
#2 {main}
thrown in /content/drive/91/php/detailPage.php on line 52

[linxiaoqi7]

等作者出现

[zzjzz9266a]

php的curl扩展没开，谷歌一下如何打开就行