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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 |
---|---|
392 | if ( $delete ) { |
393 | /** |
394 | * Fires once a post revision has been deleted. |
395 | * |
396 | * @since 2.6.0 |
397 | * |
398 | * @param int $revision_id Post revision ID. |
399 | * @param object|array $revision Post revision object or array. |
400 | */ |
401 | do_action( 'wp_delete_post_revision', $revision->ID, $revision ); |
402 | } |
403 |
|
404 | return $delete; |
405 | } |
406 |
|
407 | /** |
408 | * Returns all revisions of specified post. |
409 | * |
410 | * @since 2.6.0 |