Filter testimonials_widget_content example

testimonials_widget_content.php

add_filter( 'testimonials_widget_content', array( &$this, 'truncate_content' ), 10, 4 );
public function truncate_content( $content, $widget_number, $source, $atts ) {
	$char_limit         = $atts['char_limit'];
	$excerpt_read_more  = $atts['excerpt_read_more'];
	$force_read_more    = $atts['force_read_more'];
	$hide_read_more     = $atts['hide_read_more'];
	$nofollow_read_more = $atts['nofollow_read_more'];
	$content_bare       = strip_tags( $content );

	if ( ! $force_read_more ) {
		if ( $hide_read_more ) {
			return $content;
		} elseif ( ! $excerpt_read_more ) {
			if ( empty( $char_limit ) || strlen( $content_bare ) <= $char_limit )
				return $content;
		}
	}

	if ( empty( $source['post_id'] ) )
		return $content;

	// regenerate content
	$content = $source['testimonial_content'];
	$content = Testimonials_Widget::format_content( $content, $widget_number, $atts );

	if ( empty ( $source['testimonial_read_more_link'] ) ) {
		$post_id        = $source['post_id'];
		$post_permalink = post_permalink( $post_id );
	} else {
		$post_permalink = $source['testimonial_read_more_link'];
	}

	$post_title  = $source['testimonial_source'];
	$close_quote = Testimonials_Widget::$tag_close_quote;
	$content     = preg_replace( '#' . $close_quote . '.*$#', '', $content );

	$more_text = '';

	if ( ! empty( $char_limit ) && strlen( $content_bare ) > $char_limit )
		$more_text .= apply_filters( 'testimonials_widget_premium_more_ellipsis', __( '…', 'testimonials-widget-premium' ) );

	$more_text .= $close_quote;
	$more_text .= ' ';
	$more_text .= '<a href="';
	$more_text .= $post_permalink;
	$more_text .= '"';

	if ( $nofollow_read_more )
		$more_text .= ' rel="nofollow"';

	$more_text .= ' title="';
	$more_text .= apply_filters( 'testimonials_widget_premium_link_title_text', __( 'Complete testimonial by ', 'testimonials-widget-premium' ) );
	$more_text .= $post_title;
	$more_text .= '" class="more-link">';
	$more_text .= apply_filters( 'testimonials_widget_premium_more_text', __( 'Read more', 'testimonials-widget-premium' ) );
	$more_text .= '</a>';

	$content = Testimonials_Widget::testimonials_truncate( $content, $char_limit, $more_text, true );
	$content = force_balance_tags( $content );

	return $content;
}