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Remember that header() must be called before any actual output is sent, either by normal HTML tags, blank lines in a file, or from PHP. It is a very common error to read code with include, or require, functions, or another file access function, and have spaces or empty lines that are output before header() is called. The same. bool headers_sent ([ string &$file [, int &$line ]]). Checks if or where headers have been sent. You can't add any more header lines using the header() function once the header block has already been sent. Using this function you can at least prevent getting HTTP header related error messages. Another option is to use. The header() function sends a raw HTTP header to a client. It is important to notice that header() must be called before any actual output is sent (In PHP 4 and later, you can use output buffering to solve this problem). php // This results in an error. // The output above is before the header() call header(' Location.
8 Nov If you're using cURL, you can use curl_setopt ($handle, CURLOPT_USERAGENT, 'browser description') to define the user-agent header of the request. If you're using file_get_contents, check out this tweak of an example on the man page for file_get_contents: // Create a stream $opts = array(' http'=>array. Using this function, you can make your scripts send headers of your choosing to the browser, and create some very useful and dynamic results. However, the first thing you need to know about the header() function is that you have to use it before PHP has sent any output (and therefore its default headers). I doubt there is a. Sending custom headers. string header (string header_to_send [, bool replace [, int http_response_code]]). bool headers_sent ([string &file [, int &line]]). As well as status codes, there are a variety of special HTTP headers you can send that give you greater control. For example, the "Location" header instructs browsers to .
8 Oct Sending emails with PHP is simple; all you need is a function and three arguments. That's not all there is to normal email messages, however. Any look closer than a mere glance will reveal that this use of PHP email lacks some basic functions. For example, it doesn't set the From: header line. In keeping. 3 Apr Many examples that show how to use the header() function of PHP Hint: If you want to check your headers, you can use web based tools like: , GMT'); // header for telling the browser that the content // did not get changed header('HTTP/ Not Modified'); // set content length (good for. 8 Jun Sending HTML Email through PHP uses the exact same mail function as text email: mail($to, $subject, $message, $headers);. The last parameter, the headers , are optional for the function but required for sending HTML email, as this is where we are able to pass along the Content-Type declaration telling.