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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 |
|---|---|
| 3536 | |
| 3537 | /** |
| 3538 | * Filter the text before it is formatted for the HTML editor. |
| 3539 | * |
| 3540 | * @since 2.5.0 |
| 3541 | * @deprecated 4.3.0 |
| 3542 | * |
| 3543 | * @param string $output The HTML-formatted text. |
| 3544 | */ |
| 3545 | return apply_filters( 'htmledit_pre', $output ); |
| 3546 | } |
| 3547 | |
| 3548 | /** |
| 3549 | * Retrieve permalink from post ID. |
| 3550 | * |
| 3551 | * @since 1.0.0 |
| 3552 | * @deprecated 4.4.0 Use get_permalink() |
| 3553 | * @see get_permalink() |
| 3554 | * |