View difference between Paste ID: 2Bws78rr and 81zKFuih

 <?php
 
 error_reporting(E_ALL);
 ini_set("display_errors", 1);
 
 /*
 	Plugin Name: Image Gallery Uploader
 	Plugin URI: https://github.com/kschat
 	Description: This plugin allows visitors of your WordPress site to upload images to a gallery.
 	Version: 0.1
 	License: GPL2
 */
 
 include_once 'Debug.php';
 
 define('PLUGIN_PATH', plugin_dir_url(__FILE__));
 
 class UploaderWidget extends WP_Widget {
 
 	// Constructor
 	function __construct() {
 		$widget_ops = array(
 		'classname' => 'image-uploader',
 		'description' => 'A widget used to upload photos to a gallery.');
 
 		$control_ops = array('width'=> '200', 'height'=> '350', 'id_base' => 'image-uploader-id');
 
 		parent::__construct('image-uploader-id', 'Uploader Widget', $widget_ops, $control_ops);
 	}
 
 	function widget($args, $instance) {
 		extract($args);
 
 		$title = apply_filters('widget_title', $instance['title']);
 
 		echo $before_widget;
 
 		if($title) {
 			echo $before_title . $title . $after_title;
 		}
 		?>
 		<img src="<?php echo PLUGIN_PATH;?>images/defaultImage.gif"><br />
 		<p>
 		<label for="upload-button" style="color:black;">Upload new Image:</label>
 		<input type="file" name="upload-button" />
 		</p>
 		<?php
 
 		echo $after_widget;
 	}
 
 	function update($new_instance, $old_instance) {
 		$instance = $old_instance;
 
 		$instance['title'] = $new_instance['title'];
 		$instance['imgDir'] = $new_instance['imgDir'];
 		//$instance['categories'][0]['selected'] = 1;
 		//$instance['categories'][0]['label'] = '';
 		//$instance['newCategory'] = '';
 
 
 
 		$instance['categories'] = $this->parseAndCombineCategories((get_option('UploaderWidget_categories')), $new_instance['newCategory']);
 
 		for($i=0; $i<sizeof($instance['categories']); $i++) {
 			$instance['categories'][$i]['selected'] = (int)$new_instance['categories'][$i]['selected'];
 		}
 
 		//$instance['categories'][0]['selected'] = 1;
 		//$instance['categories'][0]['label'] = 'label';
 
 		update_option('UploaderWidget_categories', $instance['categories']);
 
 		return $instance;
 	}
 
 	function form($instance) {
 		$defaults = array('title' 		=> 'Uploader Widget',
 						  'imgDir' 		=> PLUGIN_PATH.'images/',
 						  'categories' 	=> array(0 => array('selected'	 => 0,
 													   		'label'		 => 'option1'),
 												 1 => array('selected' 	 => 0,
 												 			'label' 	 => 'option2'),
 												 2 => array('selected'	 => 0,
 												 	   		'label' 	 => 'option3')));
 
 		$instance = wp_parse_args((array)$instance, $defaults);
 		//$instance['categories'] = null;
 		//$instance['newCategory'] = null;
 		?>
 		<p>
 			<label for="<?php echo $this->get_field_id('title');?>">Title:</label><br />
 			<input type= "text" id="<?php echo $this->get_field_id('title');?>" name="<?php echo $this->get_field_name('title');?>"
 				   value="<?php echo $instance['title'];?>" />
 		</p>
 
 		<p>
 			<label for="<?php echo $this->get_field_id('imgDir');?>">Saved Images Directory:</label>
 			<input type="text" id="<?php echo $this->get_field_id('imgDir');?>" name="<?php echo $this->get_field_name('imgDir');?>"
 					value="<?php echo $instance['imgDir'];?>" readonly="readonly" />
 			<input type="file" />
 		</p>
 
 		<p>
 			Categories:<br />
 			<?php
 			$this->displayCategories($instance['categories']);
 			$this->displayNewCategoriesInput('newCategory');
 			?>
 		</p>
 		<?php
 	}
 
 	function parseAndCombineCategories($categories, $newCategories) {
 		//unset($categories);
 		if(trim($newCategories) != "") {
 			unset($categories['NoCategories']);
 			$newCategories = split(',', $newCategories);
 			$newSize = sizeof($categories) + sizeof($newCategories);
 			$oldSize = sizeof($categories);
 
 			for($i=sizeof($categories); $i<$newSize; $i++) {
 				$categories[$i]['selected'] = 0;
 				$categories[$i]['label'] = $newCategories[$i - $oldSize];
 			}
 		}
 		else if(empty($categories)) {
 			return $categories = array('NoCategories' => '<b>No categories have been made yet.</b>');
 		}
 		return (array)$categories;
 	}
 
 	function displayCategories($categories) {
 		if(array_key_exists('NoCategories', $categories)) {
 			?> <p> <?php
 			echo $categories['NoCategories'];
 			?> </p> <?php
 			return;
 		}
 		?> <table class="form-table" id="image-gallery-form-table"> <?php
 		for($i=0; $i<sizeof($categories); $i++) {
 			echo ($i % 2 == 0) ? "<tr><td>": "<td>"; ?>
 			<input class="checkboxes" type="checkbox" <?php checked((int)$categories[$i]['selected'], 1); ?> id="<?php echo $this->get_field_id($categories[$i]['label']); ?>"
 				   name="<?php echo $this->get_field_name($categories[$i]['label']);?>" />
 				<label for="<?php echo $this->get_field_id($categories[$i]['label']); ?>"><?php echo $categories[$i]['label']; ?></label>
 				<?php echo ($i % 2 == 0) ? "</td>": "</td></tr>";
 		}
 		?> </table> <?php echo Debug::printArray($categories, false);
 	}
 
 	function displayNewCategoriesInput($field) {
 		?>
 		<label for="<?php echo $this->get_field_id($field); ?>">Add a new category
 			(seperate names with a ',' to add multiple categories):</label>
 			<input type="text" name="<?php echo $this->get_field_name($field); ?>"
 				   id="<?php echo $this->get_field_id($field); ?>" />
 		<?php
 	}
 }
 
 function registerUploaderWidget() {
 	register_widget('UploaderWidget');
 }
 
 add_action('widgets_init', 'registerUploaderWidget');
 ?>