Drop PHP 7.3 support

Author: szepeviktor

.travis.yml

@@ -11,7 +11,6 @@ php:
 #  - "8.1"
   - "8.0"
   - "7.4"
-  - "7.3"
 
 cache:
   directories:

README.md

@@ -14,11 +14,7 @@ using [php-stubs/generator](https://github.com/php-stubs/generator).
 
 ### Requirements
 
-- PHP 7.1+
-- Sodium PHP extension as latest WordPress core uses it and **compat code is removed** from stubs,
-  Sodium is included in PHP from version 7.2, in 7.1 issue `pecl install libsodium`
-  or install the `paragonie/sodium_compat` package
-- For PHP <7.3 install the `symfony/polyfill-php73` as development dependency
+- PHP 7.4 or 8.0
 
 ### Installation
 

composer.json

@@ -9,16 +9,15 @@
     ],
     "homepage": "https://github.com/php-stubs/wordpress-stubs",
     "require-dev": {
-        "php": "~7.3 || ~8.0",
-        "nikic/php-parser": "< 4.12.0",
+        "php": "^7.4 || ~8.0.0",
+        "nikic/php-parser": "^4.13",
         "php-stubs/generator": "^0.8.3",
         "phpdocumentor/reflection-docblock": "^5.3",
         "phpstan/phpstan": "^1.10.12",
         "phpunit/phpunit": "^9.5"
     },
     "suggest": {
         "paragonie/sodium_compat": "Pure PHP implementation of libsodium",
-        "symfony/polyfill-php73": "Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions",
         "szepeviktor/phpstan-wordpress": "WordPress extensions for PHPStan"
     },
     "minimum-stability": "stable",