chore: bump min PHP to 7.4.0 and update other deps

Signed-off-by: Jack Cherng <jfcherng@gmail.com>

Author: jfcherng

.github/workflows/php.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        php-versions: ["7.1", "7.2", "7.3", "7.4", "8.0"]
+        php-versions: ["7.4", "8.0", "8.1"]
 
     runs-on: ${{ matrix.os }}
     steps:
@@ -59,7 +59,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        php-versions: ["7.1", "7.2", "7.3", "7.4", "8.0"]
+        php-versions: ["7.4", "8.0", "8.1"]
 
     runs-on: ${{ matrix.os }}
     steps:

README.md

@@ -37,7 +37,7 @@ which can be used to get the content of the `example/diff-table.css`.
 
 ## Requirements
 
-![php](https://img.shields.io/badge/php-%E2%89%A57.1.3-blue?style=flat-square)
+![php](https://img.shields.io/badge/php-%E2%89%A57.4.0-blue?style=flat-square)
 ![ext-iconv](https://img.shields.io/badge/ext-iconv-brightgreen?style=flat-square)
 
 

composer.json

@@ -32,21 +32,21 @@
         }
     },
     "require": {
-        "php": ">=7.1.3",
-        "jfcherng/php-color-output": "^2.0",
+        "php": ">=7.4",
+        "jfcherng/php-color-output": "^3",
         "jfcherng/php-mb-string": "^1.3",
         "jfcherng/php-sequence-matcher": "^3.2.8"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^2.19",
+        "friendsofphp/php-cs-fixer": "^3",
         "liip/rmt": "^1.6",
-        "phan/phan": "^2.5 || ^3 || ^4",
-        "phpunit/phpunit": ">=7 <10",
+        "phan/phan": "^5",
+        "phpunit/phpunit": "^9",
         "squizlabs/php_codesniffer": "^3.6"
     },
     "config": {
         "platform": {
-            "php": "7.1.3"
+            "php": "7.4.0"
         },
         "sort-packages": true
     },