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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 |
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72 | public function widget( $args, $instance ) { |
73 | if ( ! isset( $args['widget_id'] ) ) |
74 | $args['widget_id'] = $this->id; |
75 |
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76 | $output = ''; |
77 |
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78 | $title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Comments' ); |
79 |
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80 | /** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */ |
81 | $title = apply_filters( 'widget_title', $title, $instance, $this->id_base ); |
82 |
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83 | $number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5; |
84 | if ( ! $number ) |
85 | $number = 5; |
86 |
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87 | /** |
88 | * Filter the arguments for the Recent Comments widget. |
89 | * |
90 | * @since 3.4.0 |