Centralize HTTP limits

README.md

@@ -36,6 +36,7 @@ echo decade(12345);                         // "12.345 K" (je nach PHP-Konvertie
 - `numbers.php`: Zahlen-Helfer (`decade`, `onlyNumeric`)
 - `sql.php`: Klasse `SQL` fuer Datenbankzugriffe (`get`, `single`, `list`, `keyval`, `set`)
 - `mail.php`: Mailfunktionen (`send_mail`, `send_html_mail`, `send_php_mail`)
+- `http-limits.php`: Zentrale HTTP-Limits (`httpLimits`)
 - `link-meta.php`: URL-Validierung, Fetching, Meta-Parsing, Bilddownload, Tag-Sanitization
 - `og.php`: Einfacher OG-Scan (`scanOG`)
 - `troy-api.php`: API-Helfer fuer Troy/Gitea (`sendToTroy`, `sendToGitea`)
@@ -63,6 +64,21 @@ $giteaRepo = 'repo';
 $giteaToken = 'token';
 ```
 
+HTTP-Defaults fuer Netzwerkmodule (`link-meta.php`, `og.php`):
+
+- `LIB_HTTP_TIMEOUT = 8` (Sekunden)
+- `LIB_HTTP_MAX_REDIRECTS = 4`
+- `LIB_HTTP_MAX_BYTES = 5242880` (5 MiB)
+
+Optional vor dem Include ueberschreiben:
+
+```php
+<?php
+define('LIB_HTTP_TIMEOUT', 10);
+define('LIB_HTTP_MAX_REDIRECTS', 5);
+define('LIB_HTTP_MAX_BYTES', 8 * 1024 * 1024);
+```
+
 ## Runnable Examples
 
 ### `string.php`