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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 |
|---|---|
| 33 | elseif ( is_tag() && $template = get_tag_template() ) : |
| 34 | elseif ( is_author() && $template = get_author_template() ) : |
| 35 | elseif ( is_date() && $template = get_date_template() ) : |
| 36 | elseif ( is_archive() && $template = get_archive_template() ) : |
| 37 | elseif ( is_comments_popup() && $template = get_comments_popup_template() ) : |
| 38 | elseif ( is_paged() && $template = get_paged_template() ) : |
| 39 | else : |
| 40 | $template = get_index_template(); |
| 41 | endif; |
| 42 | if ( $template = apply_filters( 'template_include', $template ) ) |
| 43 | include( $template ); |
| 44 | return; |
| 45 | endif; |
| 46 | |
| 47 | ?> |
| 48 | |