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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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101 | $cat_args['title_li'] = ''; |
102 |
|
103 | /** |
104 | * Filter the arguments for the Categories widget. |
105 | * |
106 | * @since 2.8.0 |
107 | * |
108 | * @param array $cat_args An array of Categories widget options. |
109 | */ |
110 | wp_list_categories( apply_filters( 'widget_categories_args', $cat_args ) ); |
111 | ?> |
112 | </ul> |
113 | <?php |
114 | } |
115 |
|
116 | echo $args['after_widget']; |
117 | } |
118 |
|
119 | /** |