feat: deprecate support for PHP versions older than 8.1

Older versions have reached EOL, and support for them will be removed in next major release

README.md

@@ -44,13 +44,9 @@ This PHP package is automatically generated by the [Swagger Codegen](https://git
 
 This library supports the following PHP implementations:
 
-- PHP 7.1
-- PHP 7.2
-- PHP 7.3
-- PHP 7.4
-- PHP 8.0
 - PHP 8.1
 - PHP 8.2
+- PHP 8.3
 
 We currently don't support external PHP Runtimes like:
 

src/Api/FingerprintApi.php

@@ -78,6 +78,14 @@ public function __construct(
         $this->client = $client ?: new Client();
         $this->config = $config ?: new Configuration();
         $this->headerSelector = $selector ?: new HeaderSelector();
+
+        if(version_compare(
+            PHP_VERSION,
+            '8.1',
+            '<'
+        )) {
+            trigger_error('You are using a PHP version that has reached EOL. Support for it will be removed in next major release of this SDK. Please consider upgrading to PHP 8.1 or higher.', E_USER_WARNING);
+        }
     }
 
     /**

template/README.mustache

@@ -54,13 +54,9 @@ This PHP package is automatically generated by the [Swagger Codegen](https://git
 
 This library supports the following PHP implementations:
 
-- PHP 7.1
-- PHP 7.2
-- PHP 7.3
-- PHP 7.4
-- PHP 8.0
 - PHP 8.1
 - PHP 8.2
+- PHP 8.3
 
 We currently don't support external PHP Runtimes like:
 

template/api.mustache

@@ -69,6 +69,14 @@ use {{invokerPackage}}\ObjectSerializer;
         $this->client = $client ?: new Client();
         $this->config = $config ?: new Configuration();
         $this->headerSelector = $selector ?: new HeaderSelector();
+
+        if(version_compare(
+            PHP_VERSION,
+            '8.1',
+            '<'
+        )) {
+            trigger_error('You are using a PHP version that has reached EOL. Support for it will be removed in next major release of this SDK. Please consider upgrading to PHP 8.1 or higher.', E_USER_WARNING);
+        }
     }
 
     /**