Drop PHP5 and IE11 (#3666)

* Drop PHP5 and IE11
https://github.com/FreshRSS/FreshRSS/discussions/3321
Our Docker :oldest is now based on Alpine 3.5 (2016-12-22)

* More uniform

* More changelog

1 files changed, 1 insertions, 1 deletions

diff --git a/README.md b/README.md
index 47c4fc6b5..0f330cd70 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ FreshRSS comes with absolutely no warranty.
 * Light server running Linux or Windows
 	* It even works on Raspberry Pi 1 with response time under a second (tested with 150 feeds, 22k articles)
 * A web server: Apache2 (recommended), nginx, lighttpd (not tested on others)
-* PHP 5.6+ (PHP 7+ recommended for higher performance)
+* PHP 7.0+
 	* Required extensions: [cURL](https://www.php.net/curl), [DOM](https://www.php.net/dom), [JSON](https://www.php.net/json), [XML](https://www.php.net/xml), [session](https://www.php.net/session), [ctype](https://www.php.net/ctype), and [PDO_MySQL](https://www.php.net/pdo-mysql) or [PDO_SQLite](https://www.php.net/pdo-sqlite) or [PDO_PGSQL](https://www.php.net/pdo-pgsql)
 	* Recommended extensions: [GMP](https://www.php.net/gmp) (for API access on 32-bit platforms), [IDN](https://www.php.net/intl.idn) (for Internationalized Domain Names), [mbstring](https://www.php.net/mbstring) (for Unicode strings), [iconv](https://www.php.net/iconv) (for charset conversion), [ZIP](https://www.php.net/zip) (for import/export), [zlib](https://www.php.net/zlib) (for compressed feeds)
 * MySQL 5.5.3+ or MariaDB equivalent, or SQLite 3.7.4+, or PostgreSQL 9.5+