Initial commit

templates/plugin-psr4/my-psr4-plugin.php

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+<?php
+/**
+ * Plugin Name:       My PSR-4 Plugin
+ * Plugin URI:        https://example.com/my-psr4-plugin/
+ * Description:       A modern WordPress plugin using PSR-4 autoloading with Composer and namespaces.
+ * Version:           1.0.0
+ * Requires at least: 5.9
+ * Requires PHP:      7.4
+ * Author:            Your Name
+ * Author URI:        https://example.com/
+ * License:           GPL v2 or later
+ * License URI:       https://www.gnu.org/licenses/gpl-2.0.html
+ * Text Domain:       my-psr4-plugin
+ * Domain Path:       /languages
+ */
+
+// Exit if accessed directly
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+// Define plugin constants
+define( 'MYPP_VERSION', '1.0.0' );
+define( 'MYPP_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );
+define( 'MYPP_PLUGIN_URL', plugin_dir_url( __FILE__ ) );
+define( 'MYPP_PLUGIN_BASENAME', plugin_basename( __FILE__ ) );
+
+// Require Composer autoloader
+if ( file_exists( MYPP_PLUGIN_DIR . 'vendor/autoload.php' ) ) {
+	require_once MYPP_PLUGIN_DIR . 'vendor/autoload.php';
+} else {
+	// Show admin notice if autoloader is missing
+	add_action( 'admin_notices', function() {
+		?>
+		<div class="notice notice-error">
+			<p>
+				<?php
+				printf(
+					/* translators: %s: command to run */
+					esc_html__( 'My PSR-4 Plugin requires Composer dependencies. Please run %s in the plugin directory.', 'my-psr4-plugin' ),
+					'<code>composer install</code>'
+				);
+				?>
+			</p>
+		</div>
+		<?php
+	} );
+	return;
+}
+
+// Initialize plugin
+\MyPSR4Plugin\Plugin::get_instance();
+
+// Activation hook
+register_activation_hook( __FILE__, array( \MyPSR4Plugin\Plugin::get_instance(), 'activate' ) );
+
+// Deactivation hook
+register_deactivation_hook( __FILE__, array( \MyPSR4Plugin\Plugin::get_instance(), 'deactivate' ) );