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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 |
---|---|
757 | * |
758 | * @since 3.0.0 |
759 | * @since 3.6.0 The `$value` and `$expiration` parameters were added. |
760 | * @since 4.4.0 The `$transient` parameter was added. |
761 | * |
762 | * @param mixed $value Transient value. |
763 | * @param int $expiration Time until expiration in seconds. |
764 | * @param string $transient The name of the transient. |
765 | */ |
766 | do_action( "set_transient_{$transient}", $value, $expiration, $transient ); |
767 |
|
768 | /** |
769 | * Fires after the value for a transient has been set. |
770 | * |
771 | * @since 3.0.0 |
772 | * @since 3.6.0 The `$value` and `$expiration` parameters were added. |
773 | * |
774 | * @param string $transient The name of the transient. |
775 | * @param mixed $value Transient value. |