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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 |
|---|---|
| 79 | |
| 80 | if ( 'post_tag' === $this->screen->taxonomy ) { |
| 81 | /** |
| 82 | * Filter the number of terms displayed per page for the Tags list table. |
| 83 | * |
| 84 | * @since 2.8.0 |
| 85 | * |
| 86 | * @param int $tags_per_page Number of tags to be displayed. Default 20. |
| 87 | */ |
| 88 | $tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page ); |
| 89 | |
| 90 | /** |
| 91 | * Filter the number of terms displayed per page for the Tags list table. |
| 92 | * |
| 93 | * @since 2.7.0 |
| 94 | * @deprecated 2.8.0 Use edit_tags_per_page instead. |
| 95 | * |
| 96 | * @param int $tags_per_page Number of tags to be displayed. Default 20. |
| 97 | */ |