curl真的没有对采集内容进行字节限制的设置么?例如小弟我只想要网页的header部分的keyword,全部都采集过来的话太浪费了

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Release: 2016-06-13 10:46:33
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curl真的没有对采集内容进行字节限制的设置么?例如我只想要网页的header部分的keyword,全部都采集过来的话太浪费了
如题!

------解决方案--------------------
手册上说 
CURLOPT_NOBODY TRUE to exclude the body from the output
google说 to exclude the body from the output 从输出中排除身体
并没有说不取得全部内容


get_headers 返回全部头信息
get_meta_tags 从一个文件中提取所有的 meta 标签 content 属性

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