fix: upgrade phpunit to ~8.5.52, bump PHP to >=7.4, update CI and docs

Copilot · cKlee · Copilot · commit 95fbd166b16d · 2026-03-25T09:19:27.000Z
Co-authored-by: cKlee <849235+cKlee@users.noreply.github.com> Agent-Logs-Url: https://github.com/MARCspec/php-marc-spec/sessions/9dc159b3-320d-4bca-a5cf-b92cba2d51e4
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,4 @@
+vendor/
+composer.lock
+.phpunit.result.cache
+build/
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,10 @@
 language: php
 php:
-  - 7.2
-  - 7.1
-  - 7.0
-  - 5.6
+  - 7.4
+  - 8.0
+  - 8.1
+  - 8.2
+  - 8.3
 
 fast_finish: true
 
diff --git a/README.md b/README.md
@@ -14,7 +14,7 @@ Installation can be done by using [composer](https://getcomposer.org/doc/00-intr
 composer require ck/php-marcspec
 ```
 
-PHP-MARCspec requires PHP 5.4 or later.
+PHP-MARCspec requires PHP 7.4 or later.
 
 # Usage
 
diff --git a/composer.json b/composer.json
@@ -12,10 +12,10 @@
         }
     ],
     "require": {
-        "php": ">=5.6"
+        "php": ">=7.4"
     },
     "require-dev": {
-         "phpunit/phpunit": "^5.7 | ^6",
+         "phpunit/phpunit": "~8.5.52",
          "ck/marcspec-test-suite": "@dev"
     },
     "autoload": {
diff --git a/phpunit.xml b/phpunit.xml
@@ -7,7 +7,6 @@ convertNoticesToExceptions="true"
 convertWarningsToExceptions="true"
 processIsolation="false"
 stopOnFailure="false"
-syntaxCheck="false"
 bootstrap="Test/autoload.php"
 >
     <testsuites>

-Original file line number
+Diff line change
@@ @@ -0,0 +1,4 @@ @@
 +vendor/
 +composer.lock
 +.phpunit.result.cache
 +build/
Original file line number	Diff line number	Diff line change
`@@ -7,7 +7,6 @@ convertNoticesToExceptions="true"`
`7`	`7`	`convertWarningsToExceptions="true"`
`8`	`8`	`processIsolation="false"`
`9`	`9`	`stopOnFailure="false"`
`10`		`-syntaxCheck="false"`
`11`	`10`	`bootstrap="Test/autoload.php"`
`12`	`11`	`>`
`13`	`12`	`<testsuites>`