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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 |
|---|---|
| 3627 | |
| 3628 | /** |
| 3629 | * Filters the text before it is formatted for the HTML editor. |
| 3630 | * |
| 3631 | * @since 2.5.0 |
| 3632 | * @deprecated 4.3.0 |
| 3633 | * |
| 3634 | * @param string $output The HTML-formatted text. |
| 3635 | */ |
| 3636 | return apply_filters( 'htmledit_pre', $output ); |
| 3637 | } |
| 3638 | |
| 3639 | /** |
| 3640 | * Retrieve permalink from post ID. |
| 3641 | * |
| 3642 | * @since 1.0.0 |
| 3643 | * @deprecated 4.4.0 Use get_permalink() |
| 3644 | * @see get_permalink() |
| 3645 | * |