add linting

inc/class-options.php

+<?php
+/**
+ * Plugin options
+ *
+ * @package Camo_Image_Proxy
+ */
+
+namespace Camo_Image_Proxy;
+
+/**
+ * Class Options
+ */
+class Options {
+	use Singleton;
+
+	/**
+	 * Option name
+	 *
+	 * @var string
+	 */
+	private $name = 'camo_image_proxy_opts';
+
+	/**
+	 * Allowed options
+	 *
+	 * @var array
+	 */
+	private $allowed_options = [
+		'host' => '',
+		'key'  => '',
+	];
+
+	/**
+	 * Hooks and other preparations
+	 */
+	public function setup() {
+		// Hooks and such.
+	}
+
+	/**
+	 * Get plugin option
+	 *
+	 * @param string $option Plugin option to retrieve.
+	 * @return mixed
+	 */
+	public function get( string $option ) {
+		if ( ! array_key_exists( $option, $this->allowed_options ) ) {
+			return false;
+		}
+
+		$options = get_option( $this->name, [] );
+		$options = wp_parse_args( $options, $this->allowed_options );
+
+		return $options[ $option ] ?? false;
+	}
+
+	/**
+	 * Set plugin option
+	 *
+	 * @param string $option Plugin option to set.
+	 * @param mixed  $value Option value.
+	 * @return bool
+	 */
+	public function update( string $option, $value ) : bool {
+		return false;
+	}
+}