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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 |
|---|---|
| 59 | |
| 60 | if ( 'post_tag' == $this->screen->taxonomy ) { |
| 61 | /** |
| 62 | * Filter the number of terms displayed per page for the Tags list table. |
| 63 | * |
| 64 | * @since 2.8.0 |
| 65 | * |
| 66 | * @param int $tags_per_page Number of tags to be displayed. Default 20. |
| 67 | */ |
| 68 | $tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page ); |
| 69 | |
| 70 | /** |
| 71 | * Filter the number of terms displayed per page for the Tags list table. |
| 72 | * |
| 73 | * @since 2.7.0 |
| 74 | * @deprecated 2.8.0 Use edit_tags_per_page instead. |
| 75 | * |
| 76 | * @param int $tags_per_page Number of tags to be displayed. Default 20. |
| 77 | */ |