[php] Add Leaf 3.3 (#8347)

* [php] Add Leaf 3.3

* Add link in readme

Author: joanhey

frameworks/PHP/leaf/README.md

@@ -0,0 +1,7 @@
+<p align="center">
+<img src="https://leafphp.dev/logo-circle.png" height="100"/>
+</p>
+
+https://leafphp.dev/
+
+Leaf is a PHP framework that helps you create clean, simple but powerful web apps and APIs quickly and easily. Leaf introduces a cleaner and much simpler structure to the PHP language while maintaining it's flexibility. With a simple structure and a shallow learning curve, it's an excellent way to rapidly build powerful and high performant web apps and APIs.

frameworks/PHP/leaf/benchmark_config.json

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+{
+  "framework": "leaf",
+  "tests": [{
+    "default": {
+      "plaintext_url": "/plaintext",
+      "json_url": "/json",
+      "port": 8080,
+      "approach": "Realistic",
+      "classification": "Micro",
+      "database": "MySQL",
+      "framework": "leaf",
+      "language": "PHP",
+      "flavor": "PHP8",
+      "orm": "Raw",
+      "platform": "FPM/FastCGI",
+      "webserver": "nginx",
+      "os": "Linux",
+      "database_os": "Linux",
+      "display_name": "leaf",
+      "notes": "",
+      "versus": "php"
+    },
+    "workerman": {
+      "plaintext_url": "/plaintext",
+      "json_url": "/json",
+      "port": 8080,
+      "approach": "Realistic",
+      "classification": "Micro",
+      "database": "MySQL",
+      "framework": "leaf",
+      "language": "PHP",
+      "flavor": "PHP8",
+      "orm": "Raw",
+      "platform": "workerman",
+      "webserver": "none",
+      "os": "Linux",
+      "database_os": "Linux",
+      "display_name": "leaf-workerman",
+      "notes": "",
+      "versus": "php"
+    }
+  }]
+}

frameworks/PHP/leaf/composer.json

@@ -0,0 +1,5 @@
+{
+    "require": {
+        "leafs/leaf": "^3.3"
+    }
+}

frameworks/PHP/leaf/deploy/conf/cli-php.ini

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+#zend_extension=opcache.so
+opcache.enable=1
+opcache.enable_cli=1
+opcache.validate_timestamps=0
+opcache.save_comments=0
+opcache.enable_file_override=1
+opcache.huge_code_pages=1
+
+mysqlnd.collect_statistics = Off
+
+memory_limit = 512M
+
+opcache.jit_buffer_size = 128M
+opcache.jit = tracing
+
+disable_functions=header,header_remove,headers_sent,http_response_code,setcookie,session_create_id,session_id,session_name,session_save_path,session_status,session_start,session_write_close,session_regenerate_id,set_time_limit