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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 |
|---|---|
| 534 | do_action( "delete_option_$option", $option ); |
| 535 | |
| 536 | /** |
| 537 | * Fires after an option has been deleted. |
| 538 | * |
| 539 | * @since 2.9.0 |
| 540 | * |
| 541 | * @param string $option Name of the deleted option. |
| 542 | */ |
| 543 | do_action( 'deleted_option', $option ); |
| 544 | return true; |
| 545 | } |
| 546 | return false; |
| 547 | } |
| 548 | |
| 549 | /** |
| 550 | * Delete a transient. |
| 551 | * |
| 552 | * @since 2.8.0 |