Fetch all HTTP request headers

# getallheaders

(PHP 4, PHP 5, PHP 7, PHP 8)

getallheaders — Fetch all HTTP request headers

### Description

getallheaders(): array

Fetches all HTTP headers from the current request.

This function is an alias for apache_request_headers(). Please read the apache_request_headers() documentation for more information on how this function works.

### Parameters

This function has no parameters.

### Return Values

An associative array of all the HTTP headers in the current request.

### Changelog

Version | Description
--- | ---
7.3.0 | This function became available in the FPM SAPI.

### Examples

Example #1 getallheaders() example

`<?php
foreach (getallheaders() as $name => $value) {
echo "$name: $value\n";
}
?>`

### See Also

- apache_response_headers() - Fetch all HTTP response headers

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