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Editing: wpc_posts.php

<?php

class Wpc_Posts extends WP_Widget {

public function __construct() {

// Widget actual processes
        parent::__construct(
	 		'wpc_posts',                                                                // Base ID
			__('WPC Posts','wpcharming'),                                               // Name
			array( 'description' => __( 'Eye catching posts widget', 'wpcharming' ), )  // Args
		);
	}

public function form( $instance ) {

/* Set up default widget settings. */
        $defaults = array(
            'title'      => '',
            'number'     => 4,
            'post_order' => 'date'
        );
        $instance         = wp_parse_args( (array) $instance, $defaults );

if ( isset( $instance[ 'title' ] ) ) {
            $title = $instance[ 'title' ];
        } else {
            $title = '';
        }

$number = intval($instance[ 'number' ]);
        if($number<=0){
            $number = 4;
        }

$post_order_types = array(
            'comment_count' => 'Popular Posts',
            'date'          => 'Recent Posts',
            'rand'          => 'Random Posts'
        );
        ?>

<p>
    		<label for="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>"><?php _e( 'Title:','wpcharming'); ?></label> 
    		<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'title' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'title' ) ); ?>" type="text" value="<?php echo esc_attr( $title ); ?>" />
		</p>
        
    	<p>
    		<label for="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>"><?php echo __('How many posts to show ?' ,'wpcharming') ?></label> 
    		<input class="widefat" id="<?php echo esc_attr( $this->get_field_id( 'number' ) ); ?>" name="<?php echo esc_attr( $this->get_field_name( 'number' ) ); ?>" type="text" value="<?php echo esc_attr( $number ); ?>" />
		</p>
        <p>
            <label for="<?php echo esc_attr( $this->get_field_id( 'post_order' ) ); ?>"><?php _e('Posts order:', 'wpcharming') ?></label>
            <select class="widefat" name="<?php echo esc_attr($this->get_field_name( 'post_order' ));?>" id="<?php echo esc_attr($this->get_field_id( 'post_order' ));?>">
                <?php foreach ( $post_order_types as $post_order_type=>$post_order_value ) { ?>
                    <option value="<?php echo esc_attr( $post_order_type ); ?>" <?php selected( $post_order_type, $instance['post_order']);?>><?php echo esc_attr($post_order_value); ?></option>
                <?php } ?>
            </select>
        </p>
        
		<?php 
	}

public function update( $new_instance, $old_instance ) {
		// processes widget options to be saved
        $instance = array();
        $instance[ 'title' ]      = strip_tags( $new_instance['title'] );
        $instance[ 'number' ]     = intval($new_instance[ 'number' ]);
        $instance[ 'post_order' ] = $new_instance[ 'post_order' ];
		return $instance;
	}

public function widget( $args, $instance ) {

// Outputs the content of the widget
        extract( $args );
        $title      = apply_filters( 'widget_title', $instance['title'] );
        $post_order = $instance['post_order'];
        $number     = intval($instance['number']);
        if($number<=0) $number = 4;
        
		echo ent2ncr( $before_widget );

// Widget title
        if ( ! empty( $title ) ) echo ent2ncr($before_title) . esc_attr($title) . ent2ncr($after_title);

$args = array(
            'post_type' => 'post',
            'post_status' => 'publish',
            'posts_per_page' => $number,
            'orderby' => $post_order
        );
        $the_query = new WP_Query( $args );
        $count     = 0;

if ( $the_query->have_posts() ) :
        echo '
        <ul class="widget-posts-list">';
            while ( $the_query->have_posts() ) : $the_query->the_post();
                $count ++;
                ?>
                <li class="<?php if ( $count %2 == 0 ) echo 'light-bg'; ?>">
                    <?php
                    if( has_post_thumbnail() ) { the_post_thumbnail( 'thumbnail' ); }
                    ?>
                    <a href="<?php the_permalink(); ?>" title="<?php the_title(); ?>"><?php the_title(); ?></a>
                    <div class="clear"></div>
                </li>
                <?php
            endwhile;
        echo '
        </ul>';
        endif;
        wp_reset_postdata();
        
    	echo ent2ncr($after_widget);
	}

}
register_widget( 'Wpc_Posts' );

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