(PHP 4 >= 4.3.0, PHP 5, PHP 7)
apache_request_headers — Fetch all HTTP request headers
apache_request_headers ( ) : array
Fetches all HTTP request headers from the current request. Works in the Apache, FastCGI, CLI, FPM and NSAPI server module in Netscape/iPlanet/SunONE webservers.
An associative array of all the HTTP headers in the current request, or false on failure.
| Version | Description |
|---|---|
| 7.3.0 | This function became available in the FPM SAPI. |
Example #1 apache_request_headers() example
<?php
$headers = apache_request_headers();
foreach ($headers as $header => $value) {
echo "$header: $value <br />\n";
}
?> The above example will output something similar to:
Accept: */* Accept-Language: en-us Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 Host: www.example.com Connection: Keep-Alive
Note:
You can also get at the value of the common CGI variables by reading them from the environment, which works whether or not you are using PHP as an Apache module. Use phpinfo() to see a list of all of the available environment variables.
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https://www.php.net/manual/en/function.apache-request-headers.php