Add PHP 8.4 support for 1.7.x by dropping support for PHP < 7.1

.github/workflows/unit-tests.yaml

@@ -9,11 +9,6 @@ jobs:
         strategy:
             matrix:
                 php:
-                    - '5.3'
-                    - '5.4'
-                    - '5.5'
-                    - '5.6'
-                    - '7.0'
                     - '7.1'
                     - '7.2'
                     - '7.3'

Parsedown.php

@@ -712,7 +712,7 @@ protected function blockRule($Line)
     #
     # Setext
 
-    protected function blockSetextHeader($Line, array $Block = null)
+    protected function blockSetextHeader($Line, ?array $Block = null)
     {
         if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))
         {
@@ -850,7 +850,7 @@ protected function blockReference($Line)
     #
     # Table
 
-    protected function blockTable($Line, array $Block = null)
+    protected function blockTable($Line, ?array $Block = null)
     {
         if ( ! isset($Block) or isset($Block['type']) or isset($Block['interrupted']))
         {

composer.json

@@ -13,7 +13,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.0",
+        "php": ">=7.1",
         "ext-mbstring": "*"
     },
     "require-dev": {

phpunit.xml.dist

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit bootstrap="vendor/autoload.php" colors="true">
 	<testsuites>
-		<testsuite>
+		<testsuite name="unit">
 			<file>test/ParsedownTest.php</file>
 		</testsuite>
 	</testsuites>

test/CommonMarkTestStrict.php

@@ -13,7 +13,7 @@ class CommonMarkTestStrict extends TestCase
 
     protected $parsedown;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         $this->parsedown = new TestParsedown();
         $this->parsedown->setUrlsLinked(false);

test/CommonMarkTestWeak.php

@@ -17,7 +17,7 @@ class CommonMarkTestWeak extends CommonMarkTestStrict
 {
     protected $textLevelElementRegex;
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();