pkp/pkp-lib#5678 Add PHP-CS formatter and pre-commit hook to format c…

…ommitted changes

.gitignore

@@ -8,6 +8,7 @@ temp
 .buildpath
 .settings
 .DS_Store
+.php_cs.cache
 node_modules
 js/build.js
 js/hot-updates

.php_cs

@@ -0,0 +1,50 @@
+<?php
+
+$finder = PhpCsFixer\Finder::create()
+    ->in(__DIR__);
+
+// Apply formatting to all plugins that are not git submodules
+$pluginsDir = __DIR__ . DIRECTORY_SEPARATOR . 'plugins';
+$files = scandir($pluginsDir);
+foreach ($files as $file) {
+    $categoryDir = $pluginsDir . DIRECTORY_SEPARATOR . $file;
+    if (!in_array($file, ['.', '..']) && is_dir($categoryDir)) {
+        $pluginDirs = scandir($categoryDir);
+        foreach ($pluginDirs as $pluginDir) {
+            $fullPluginPath = join(DIRECTORY_SEPARATOR, [$categoryDir, $pluginDir]);
+            $gitPath = join(DIRECTORY_SEPARATOR, [$fullPluginPath, '.git']);
+            if (!in_array($pluginDir, ['.', '..']) && is_dir($fullPluginPath) && !file_exists($gitPath)) {
+                $finder->in($fullPluginPath);
+            }
+        }
+    }
+}
+
+$finder->exclude([
+    'cache',
+    'cypress',
+    'dbscripts',
+    'docs',
+    'js',
+    'lib/pkp',
+    'lib/ui-library',
+    'locale',
+    'node_modules',
+    'public',
+    'plugins',
+    'registry',
+    'schemas',
+    'styles',
+    'templates',
+])
+    ->name('*.php')
+    ->name('_ide_helper')
+    ->notName('*.blade.php')
+    ->ignoreDotFiles(true)
+    ->ignoreVCS(true);
+
+$rules = include './lib/pkp/.php_cs_rules';
+
+$config = new PhpCsFixer\Config();
+return $config->setRules($rules)
+    ->setFinder($finder);