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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 |
---|---|
915 | * |
916 | * @since 3.0.0 |
917 | * @since 3.6.0 The `$value` and `$expiration` parameters were added. |
918 | * @since 4.4.0 The `$transient` parameter was added. |
919 | * |
920 | * @param mixed $value Transient value. |
921 | * @param int $expiration Time until expiration in seconds. |
922 | * @param string $transient The name of the transient. |
923 | */ |
924 | do_action( "set_transient_{$transient}", $value, $expiration, $transient ); |
925 |
|
926 | /** |
927 | * Fires after the value for a transient has been set. |
928 | * |
929 | * @since 3.0.0 |
930 | * @since 3.6.0 The `$value` and `$expiration` parameters were added. |
931 | * |
932 | * @param string $transient The name of the transient. |
933 | * @param mixed $value Transient value. |