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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 |
|---|---|
| 410 | } else { |
| 411 | $option_timeout = '_transient_timeout_' . $transient; |
| 412 | $option = '_transient_' . $transient; |
| 413 | $result = delete_option( $option ); |
| 414 | if ( $result ) |
| 415 | delete_option( $option_timeout ); |
| 416 | } |
| 417 | |
| 418 | if ( $result ) |
| 419 | do_action( 'deleted_transient', $transient ); |
| 420 | return $result; |
| 421 | } |
| 422 | |
| 423 | /** |
| 424 | * Get the value of a transient. |
| 425 | * |
| 426 | * If the transient does not exist or does not have a value, then the return value |
| 427 | * will be false. |
| 428 | * |