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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 |
|---|---|
| 1396 | if ( $result ) { |
| 1397 | |
| 1398 | /** |
| 1399 | * Fires after a transient is deleted. |
| 1400 | * |
| 1401 | * @since 3.0.0 |
| 1402 | * |
| 1403 | * @param string $transient Deleted transient name. |
| 1404 | */ |
| 1405 | do_action( 'deleted_transient', $transient ); |
| 1406 | } |
| 1407 | |
| 1408 | return $result; |
| 1409 | } |
| 1410 | |
| 1411 | /** |
| 1412 | * Retrieves the value of a transient. |
| 1413 | * |
| 1414 | * If the transient does not exist, does not have a value, or has expired, |