Fix fatal error if plugin options don't exist yet

README.md

@@ -74,6 +74,9 @@ Yes, but no translations are available quite yet.
 
 ## Changelog
 
+### 2.0.1
+* Fixed fatal error on activation
+
 ### 2.0
 * Refactored all plugin code
 * Revamped the plugin settings page to allow users to save multiple post loops (this is a breaking change)

admin/class-isotope-posts-admin.php

@@ -176,7 +176,7 @@ public function delete_post_loop() {
          die();
 
       $loop_id = isset( $_POST['loop_id'] ) ? $_POST['loop_id'] : null;
-      $isotope_loops = !empty( get_option('isotope_options') ) ? get_option( 'isotope_options' ) : array();
+      $isotope_loops = ( get_option('isotope_options') != false ) ? get_option( 'isotope_options' ) : array();
 
       // Check for the loop ID in the plugin options (deletion occurs in validation callback)
       if ( $loop_id && $isotope_loops && array_key_exists( $loop_id, $isotope_loops ) ) {

admin/views/admin.php

@@ -16,14 +16,14 @@
 
    <?php
       // Check for existing loops to display
-      $isotope_loops = !empty( get_option('isotope_options') ) ? get_option( 'isotope_options' ) : array();
+      $isotope_loops = ( get_option('isotope_options') != false ) ? get_option( 'isotope_options' ) : array();
    ?>
 
    <div id="isotope-loops">
 
       <h3>Isotope Post Shortcodes</h3>
 
-      <?php if ( !empty( $isotope_loops ) ) : ?>
+      <?php if ( $isotope_loops ) : ?>
 
          <p><?php _e( 'Here are the Isotope Posts shortcodes you\'ve saved so far:', $this->plugin_slug ); ?></p>
 

admin/views/settings.php

@@ -360,7 +360,7 @@ public function validate_settings( $input = array() ) {
          $loop_id = isset( $_POST['loop_id'] ) ? $_POST['loop_id'] : null;
 
          // Check if any options already exist
-         $isotope_loops = !empty( get_option('isotope_options') ) ? get_option( 'isotope_options' ) : array();
+         $isotope_loops = ( get_option( 'isotope_options' ) != false ) ? get_option( 'isotope_options' ) : array();
 
          if ( $save_flag == 'delete' ) {
 

isotope-posts.php

@@ -12,7 +12,7 @@
  * Plugin Name:       Isotope Posts
  * Plugin URI:        http://mandiwise.com/wordpress/isotope-posts/
  * Description:       Allows you to use Metafizzy's Isotope to display feeds of WordPress posts using simple shortcodes. Works with custom post types and custom taxonomies too.
- * Version:           2.0.0
+ * Version:           2.0.1
  * Author:            Mandi Wise
  * Author URI:        http://mandiwise.com
  * Text Domain:       isotope-posts

public/class-isotope-posts.php

@@ -18,7 +18,7 @@ class Isotope_Posts {
 	 *
 	 * @var     string
 	 */
-	const VERSION = '2.0.0';
+	const VERSION = '2.0.1';
 
 	/**
 	 * Unique identifier for the plugin.

readme.txt

@@ -3,7 +3,7 @@ Contributors: mandiwise
 Tags: isotope, jquery, posts
 Requires at least: 3.5.1
 Tested up to: 3.9.1
-Stable tag: 2.0.0
+Stable tag: 2.0.1
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -83,6 +83,9 @@ Yes, but no translations are available quite yet.
 
 == Changelog ==
 
+= 2.0.1 =
+* Fixed fatal error on activation
+
 = 2.0 =
 * Refactored all plugin code
 * Revamped the plugin settings page to allow users to save multiple post loops (this is a breaking change)