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HTTP function library: header_sent

Source: Internet
Author: User
Keywords header_sent http function Library php Chinese function manual
Tags aliyun function function library html http http function library php php chinese function manual
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Header_sent

(unknown)

Header_sent---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determine if headers have been sent out

Syntax: Boolean headers_sent (void)

Description:

If the header has already been sent, this function returns TRUE or false returns.

Reference: Header ()

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