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Source code

function wp_widget_rss_form( $args, $inputs = null ) {



	$default_inputs = array( 'url' => true, 'title' => true, 'items' => true, 'show_summary' => true, 'show_author' => true, 'show_date' => true );

	$inputs = wp_parse_args( $inputs, $default_inputs );

	extract( $args );

	extract( $inputs, EXTR_SKIP);



	$number = esc_attr( $number );

	$title  = esc_attr( $title );

	$url    = esc_url( $url );

	$items  = (int) $items;

	if ( $items < 1 || 20 < $items )

		$items  = 10;

	$show_summary   = (int) $show_summary;

	$show_author    = (int) $show_author;

	$show_date      = (int) $show_date;



	if ( !empty($error) )

		echo '<p class="widget-error"><strong>' . sprintf( __('RSS Error: %s'), $error) . '</strong></p>';



	if ( $inputs['url'] ) :

?>

	<p><label for="rss-url-<?php echo $number; ?>"><?php _e('Enter the RSS feed URL here:'); ?></label>

	<input class="widefat" id="rss-url-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][url]" type="text" value="<?php echo $url; ?>" /></p>

<?php endif; if ( $inputs['title'] ) : ?>

	<p><label for="rss-title-<?php echo $number; ?>"><?php _e('Give the feed a title (optional):'); ?></label>

	<input class="widefat" id="rss-title-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][title]" type="text" value="<?php echo $title; ?>" /></p>

<?php endif; if ( $inputs['items'] ) : ?>

	<p><label for="rss-items-<?php echo $number; ?>"><?php _e('How many items would you like to display?'); ?></label>

	<select id="rss-items-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][items]">

<?php

		for ( $i = 1; $i <= 20; ++$i )

			echo "<option value='$i' " . ( $items == $i ? "selected='selected'" : '' ) . ">$i</option>";

?>

	</select></p>

<?php endif; if ( $inputs['show_summary'] ) : ?>

	<p><input id="rss-show-summary-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_summary]" type="checkbox" value="1" <?php if ( $show_summary ) echo 'checked="checked"'; ?>/>

	<label for="rss-show-summary-<?php echo $number; ?>"><?php _e('Display item content?'); ?></label></p>

<?php endif; if ( $inputs['show_author'] ) : ?>

	<p><input id="rss-show-author-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_author]" type="checkbox" value="1" <?php if ( $show_author ) echo 'checked="checked"'; ?>/>

	<label for="rss-show-author-<?php echo $number; ?>"><?php _e('Display item author if available?'); ?></label></p>

<?php endif; if ( $inputs['show_date'] ) : ?>

	<p><input id="rss-show-date-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][show_date]" type="checkbox" value="1" <?php if ( $show_date ) echo 'checked="checked"'; ?>/>

	<label for="rss-show-date-<?php echo $number; ?>"><?php _e('Display item date?'); ?></label></p>

<?php

	endif;

	foreach ( array_keys($default_inputs) as $input ) :

		if ( 'hidden' === $inputs[$input] ) :

			$id = str_replace( '_', '-', $input );

?>

	<input type="hidden" id="rss-<?php echo $id; ?>-<?php echo $number; ?>" name="widget-rss[<?php echo $number; ?>][<?php echo $input; ?>]" value="<?php echo $$input; ?>" />

<?php

		endif;

	endforeach;

}