From d3fdd1881079170c04e27664925d4c7857f45862 Mon Sep 17 00:00:00 2001
From: Peter Molnar <hello@petermolnar.eu>
Date: Tue, 5 Jan 2016 22:56:51 +0000
Subject: [PATCH] fine tune of logs + fail in php < 5.2

---
 readme.txt          |  2 +-
 wp-featured2rss.php | 23 +++++++++++++----------
 2 files changed, 14 insertions(+), 11 deletions(-)

diff --git a/readme.txt b/readme.txt
index 2bc493f..f8dadc4 100644
--- a/readme.txt
+++ b/readme.txt
@@ -19,7 +19,7 @@ It's strictly only using resized images to maintain compatibility in case access
 
 == Installation ==
 
-1. Upload contents of `wp-featured2rss` to the `/wp-content/plugins/` directory
+1. Upload contents of `wp-featured2rss.zip` to the `/wp-content/plugins/` directory
 2. Activate the plugin through the `Plugins` menu in WordPress
 
 == Frequently Asked Questions ==
diff --git a/wp-featured2rss.php b/wp-featured2rss.php
index b394065..3600df9 100644
--- a/wp-featured2rss.php
+++ b/wp-featured2rss.php
@@ -32,10 +32,19 @@ class WP_FEATURED2RSS {
 	const expire = 30;
 
 	public function __construct () {
-
+		register_activation_hook( __FILE__ , array( &$this, 'plugin_activate' ) );
 		add_action( 'rss2_item', array(&$this,'insert_enclosure_image') );
 	}
 
+	/**
+	 * activate hook
+	 */
+	public static function plugin_activate() {
+		if ( version_compare( phpversion(), 5.3, '<' ) ) {
+			die( 'The minimum PHP version required for this plugin is 5.3' );
+		}
+	}
+
 	/**
 	 *
 	 */
@@ -43,7 +52,7 @@ class WP_FEATURED2RSS {
 
 		$post = static::fix_post();
 
-		static::debug('insterting featured image to rss');
+		//static::debug('insterting featured image to rss');
 
 		if ($post === false )
 			return false;
@@ -55,12 +64,6 @@ class WP_FEATURED2RSS {
 		if ( $cached = wp_cache_get ( $thid, __CLASS__ . __FUNCTION__ ) )
 			return $cached;
 
-		$sizes = array (
-			0 => 'large',
-			1 => 'medium',
-			2 => 'thumbnail'
-		);
-
 		$asize = false;
 		$meta = wp_get_attachment_metadata($thid);
 
@@ -76,10 +79,10 @@ class WP_FEATURED2RSS {
 		arsort($candidates);
 
 		foreach ($candidates as $potential => $maxsize ) {
-			static::debug('checking size ' . $potential . ': ' . $meta['sizes'][$potential]['file'] . ' vs ' .$meta['file'] );
+			//static::debug('checking size ' . $potential . ': ' . $meta['sizes'][$potential]['file'] . ' vs ' .$meta['file'] );
 
 			if (isset($meta['sizes'][$potential]) && isset($meta['sizes'][$potential]['file']) && $meta['sizes'][$potential]['file'] != $meta['file']) {
-				static::debug( $meta['sizes'][$potential]['file'] . ' look like a resized file, using it');
+				//static::debug( $meta['sizes'][$potential]['file'] . ' look like a resized file, using it');
 				$asize = $potential;
 				$img = wp_get_attachment_image_src( $thid, $potential );
 				break;