From ba58ff06983e4eb4753fdcec8dd1a146338d27fb Mon Sep 17 00:00:00 2001
From: Erick Hitter <git-contrib@ethitter.com>
Date: Sun, 18 Feb 2018 11:49:40 -0800
Subject: [PATCH] Trait for forthcoming singletons
---
camo-image-proxy.php | 9 ++++++++-
inc/trait-singleton.php | 40 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 48 insertions(+), 1 deletion(-)
create mode 100644 inc/trait-singleton.php
diff --git a/camo-image-proxy.php b/camo-image-proxy.php
index 3d1cb47..d9f8865 100755
--- a/camo-image-proxy.php
+++ b/camo-image-proxy.php
@@ -12,4 +12,11 @@
* @package Camo_Image_Proxy
*/
-// Your code starts here.
+namespace Camo_Image_Proxy;
+
+define( __NAMESPACE__ . '\PLUGIN_PATH', dirname( __FILE__ ) );
+
+/**
+ * Trait for singletons
+ */
+require_once PLUGIN_PATH . '/inc/trait-singleton.php';
diff --git a/inc/trait-singleton.php b/inc/trait-singleton.php
new file mode 100644
index 0000000..b890d8d
--- /dev/null
+++ b/inc/trait-singleton.php
@@ -0,0 +1,40 @@
+<?php
+/**
+ * Trait file for Singletons.
+ *
+ * @package Camo_Image_Proxy
+ */
+
+namespace Camo_Image_Proxy;
+
+/**
+ * Make a class into a singleton.
+ */
+trait Singleton {
+ /**
+ * Existing instance.
+ *
+ * @var object
+ */
+ protected static $instance;
+
+ /**
+ * Get class instance.
+ *
+ * @return object
+ */
+ public static function instance() {
+ if ( ! isset( static::$instance ) ) {
+ static::$instance = new static();
+ static::$instance->setup();
+ }
+ return static::$instance;
+ }
+
+ /**
+ * Setup the singleton.
+ */
+ public function setup() {
+ // Silence.
+ }
+}
--
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