Support PHP 7.4 and later

.github/workflows/check.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ['8.1', '8.2', '8.3', '8.4', '8.5']
+        php-version: ['7.4', '8.1', '8.2', '8.3', '8.4', '8.5']
         protocol: [ 'json', 'msgpack' ]
         ignorePlatformReq: [ '' ]
 

README.md

@@ -48,7 +48,7 @@ Ably aims to support a wide range of platforms. If you experience any compatibil
 
 | Platform | Support |
 | --- | --- |
-| PHP | 8.1, 8.2, 8.3, 8.4, 8.5 |
+| PHP | 7.4 and later (tested on 7.4 and 8.1 – 8.5) |
 
 ---
 

UPDATING.md

@@ -18,7 +18,7 @@ The client `Server::createHttpClient()` returns is the same REST client as befor
 | `AblyRest::setAblyAgentHeader('x', 'v')` | `Server::createHttpClient(['agents' => ['x' => 'v'], …])` |
 | `AblyRest::setLibraryFlavourString('x')` | removed — use the `agents` option |
 | `require 'ably-loader.php';` | removed — use Composer's autoloader (`vendor/autoload.php`) |
-| PHP 7.2 – 8.0 | PHP `^8.1` (tested on 8.1 – 8.5) |
+| PHP 7.2 – 8.0 | PHP 7.4 or later (tested on 7.4 and 8.1 – 8.5); 2.0.0 itself required PHP 8.1 |
 | `\Ably\AblyRest` type hints | `\Ably\PubSub\PubSubHttpClient` ([091d](https://ably.atlassian.net/wiki/spaces/product/pages/5363957781)) |
 | `'environment' => 'sandbox'` / `'restHost' => '…'` | `'endpoint' => …` (see [Endpoint](#endpoint-replaces-environment-and-resthost)) |
 
@@ -106,7 +106,7 @@ The `agents` option is per-client, unlike the process-global static setters it r
 * `ably-loader.php`, the hand-rolled autoloader — Composer is the only supported install path.
 * The `environment` and `restHost` client options — replaced by `endpoint`. They are ignored if passed.
 * The `demo/` Heroku application and its `Procfile`.
-* PHP 7.2 – 8.0 support.
+* PHP 7.2 – 8.0 support. Releases after 2.0.0 support PHP 7.4 and later again, so only PHP 7.2 and 7.3 remain unsupported.
 
 `Auth::authorise()`, the British-spelling alias deprecated in favour of `Auth::authorize()`, is still present in 2.0.0.
 

composer.json

@@ -8,7 +8,7 @@
         "issues": "https://github.com/ably/ably-pubsub-php/issues"
     },
     "require": {
-        "php": "^8.1",
+        "php": "^7.4 || ^8.0",
         "rybakit/msgpack": "^0.9.1 || ^1.0",
         "ext-json" : "*",
         "ext-curl" : "*",

tests/factories/TestApp.php

@@ -127,8 +127,9 @@ private function request( $mode, $url, $headers = [], $params = '' ) {
             var_dump(curl_error($ch));  // Prints curl request error if exists
         }
 
-        // curl_close() has no effect since PHP 8.0 and is deprecated since 8.5;
-        // the handle is released when $ch goes out of scope. The floor is 8.1.
+        // curl_close() has no effect since PHP 8.0 and is deprecated since 8.5.
+        // On every supported version (7.4 and later) the handle is released
+        // when its last reference goes away, so unset() is enough.
         unset($ch);
 
         if ($this->debugRequests) {