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(PECL pecl_http >= 0.10.0)
http_send_content_type — Send Content-Type
$content_type
= "application/x-octetstream"
] )Send the Content-Type of the sent entity.
Note: 此函数应与 http_send_data() , http_send_file() 和 http_send_stream() 一同使用。
content_type
the desired content type (primary/secondary)
成功时返回 TRUE
, 或者在失败时返回 FALSE
。
Raises an E_WARNING
when the content_type
doesn't seem to contain a primary and a secondary part.