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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 65 | $link = strip_tags( $rss->get_permalink() ); |
| 66 | while ( stristr($link, 'http') != $link ) |
| 67 | $link = substr($link, 1); |
| 68 | } |
| 69 | |
| 70 | if ( empty($title) ) |
| 71 | $title = empty($desc) ? __('Unknown Feed') : $desc; |
| 72 | |
| 73 | /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
| 74 | $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
| 75 | |
| 76 | $url = strip_tags( $url ); |
| 77 | $icon = includes_url( 'images/rss.png' ); |
| 78 | if ( $title ) |
| 79 | $title = '<a class="rsswidget" href="' . esc_url( $url ) . '"><img class="rss-widget-icon" style="border:0" width="14" height="14" src="' . esc_url( $icon ) . '" alt="RSS" /></a> <a class="rsswidget" href="' . esc_url( $link ) . '">"'. esc_html( $title ) .'"</a>'; |
| 80 | |
| 81 | echo $args['before_widget']; |
| 82 | if ( $title ) { |
| 83 | echo $args['before_title'] . $title . $args['after_title']; |