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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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100 | $tags_per_page = apply_filters_deprecated( 'tagsperpage', array( $tags_per_page ), '2.8.0', 'edit_tags_per_page' ); |
101 | } elseif ( 'category' === $this->screen->taxonomy ) { |
102 | /** |
103 | * Filters the number of terms displayed per page for the Categories list table. |
104 | * |
105 | * @since 2.8.0 |
106 | * |
107 | * @param int $tags_per_page Number of categories to be displayed. Default 20. |
108 | */ |
109 | $tags_per_page = apply_filters( 'edit_categories_per_page', $tags_per_page ); |
110 | } |
111 |
|
112 | $search = ! empty( $_REQUEST['s'] ) ? trim( wp_unslash( $_REQUEST['s'] ) ) : ''; |
113 |
|
114 | $args = array( |
115 | 'search' => $search, |
116 | 'page' => $this->get_pagenum(), |
117 | 'number' => $tags_per_page, |
118 | ); |