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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 |
|---|---|
| 826 | if ( $result ) { |
| 827 | |
| 828 | /** |
| 829 | * Fires after a transient is deleted. |
| 830 | * |
| 831 | * @since 3.0.0 |
| 832 | * |
| 833 | * @param string $transient Deleted transient name. |
| 834 | */ |
| 835 | do_action( 'deleted_transient', $transient ); |
| 836 | } |
| 837 | |
| 838 | return $result; |
| 839 | } |
| 840 | |
| 841 | /** |
| 842 | * Retrieves the value of a transient. |
| 843 | * |
| 844 | * If the transient does not exist, does not have a value, or has expired, |