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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 |
|---|---|
| 3959 | delete_site_option( $transient_option ); |
| 3960 | delete_site_option( $transient_timeout ); |
| 3961 | return false; |
| 3962 | } |
| 3963 | } |
| 3964 | |
| 3965 | $value = get_site_option( $transient_option ); |
| 3966 | } |
| 3967 | |
| 3968 | return apply_filters( 'site_transient_' . $transient, $value ); |
| 3969 | } |
| 3970 | |
| 3971 | /** |
| 3972 | * Set/update the value of a site transient |
| 3973 | * |
| 3974 | * You do not need to serialize values, if the value needs to be serialize, then |
| 3975 | * it will be serialized before it is set. |
| 3976 | * |
| 3977 | * @see set_transient() |