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200-530 · Question #461
200-530 Question #461: Real Exam Question with Answer & Explanation
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Question
You want to check whether the header has already been sent or not. Which of the following code segments will you use to accomplish the task?
Options
- Aheaders_sent ([ string &$file [, int &$line ]] )
- Bheader_sent(true)
- C!in_array("Location: $url", headers_list())
- D!header_sent(true)
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