413.php in WordPress 6.0

Use CoreFiles from your AI agent

# CoreFiles

> The original files of every Joomla and WordPress release, run by mySites.guru. Free, no API key, read-only GET requests.

Use it to tell whether a file on a Joomla or WordPress site is an unmodified core file, which release it came from, and what changed between releases. Hash the site's files where they are and send only the hashes; never upload a site's files.

Base URL: https://corefiles.mysites.guru
Platforms: joomla, wordpress. Versions as released, for example 5.4.0, 6.2.0-rc1, 7.1.4.
Add ?format=json to a page URL (/lookup, /pretty, /folder, /history, /diff, /stats) for the same data as JSON.

## Look up a file by its hash

GET /lookup/{md5 or sha256}?format=json&name={file name}
Lists every release and path that has this content. No matches means it is not a core file in any stored release. With name, "named" lists core files that have that file name, so you can fetch the original and compare.

## Read a core file

GET /raw/{platform}/{version}/{path}        the file's bytes
GET /stat/{platform}/{version}/{path}       md5, sha1, sha256 and size as JSON
GET /history/{platform}/{path}?format=json  the releases where that file changed

## Compare releases

GET /diff/{platform}/{from}/{to}?format=json         added, removed and changed files
GET /diff/{platform}/{from}/{to}/{path}?format=text  a unified diff of one file

## Check a whole site

GET /hashes/{platform}/{version}/plain
Every core file in that release as path<TAB>md5. Hash the site's files and compare: a different md5 means a modified core file, and a file missing from the list is not core.

## Reading the answers

A 404 with X-Corefiles-Release: present means the path is not in that release, so the file is not core.
A 404 with X-Corefiles-Release: missing means that release is not stored yet. Treat the answer as unknown, never as "not core". New releases are added within the hour.
GET /releases.json lists every stored release.

Paste it into Claude, ChatGPT or Cursor. Agents can also read it at /llms.txt. On a lookup, file, history or compare page, Copy for your AI agent adds what that page shows.

413.php27 lines, 427 bytes, from wordpress-6.0.zip

Raw History Compare with 5.9.20

md5: 51edbecd32c991490ebd579276eb4d5a
sha1: 5b2f3b396b18a68849ad0d9123902f6d0eb10c77
sha256: ddd02aec2feb5ee11ae23af8a184e04936d5740a386a8e6e3ef0e752faf05f82

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<?php
/**
 * Exception for 413 Request Entity Too Large responses
 *
 * @package Requests
 */

/**
 * Exception for 413 Request Entity Too Large responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_413 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 413;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request Entity Too Large';
}

The same content is in 116 releases, WordPress 5.8-beta1 to 6.1.16. See them all, or every version of this file.