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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 |
|---|---|
| 76 | $link = substr( $link, 1 ); |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | if ( empty( $title ) ) { |
| 81 | $title = ! empty( $desc ) ? $desc : __( 'Unknown Feed' ); |
| 82 | } |
| 83 | |
| 84 | /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
| 85 | $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
| 86 | |
| 87 | $url = strip_tags( $url ); |
| 88 | $icon = includes_url( 'images/rss.png' ); |
| 89 | if ( $title ) { |
| 90 | $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>'; |
| 91 | } |
| 92 | |
| 93 | echo $args['before_widget']; |
| 94 | if ( $title ) { |