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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 |
|---|---|
| 695 | } |
| 696 | |
| 697 | // give the user the option of downloading and importing attached files |
| 698 | function allow_fetch_attachments() { |
| 699 | return apply_filters('import_allow_fetch_attachments', true); |
| 700 | } |
| 701 | |
| 702 | function max_attachment_size() { |
| 703 | // can be overridden with a filter - 0 means no limit |
| 704 | return apply_filters('import_attachment_size_limit', 0); |
| 705 | } |
| 706 | |
| 707 | function import_start() { |
| 708 | wp_defer_term_counting(true); |
| 709 | wp_defer_comment_counting(true); |
| 710 | do_action('import_start'); |
| 711 | } |
| 712 | |
| 713 | function import_end() { |