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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 |
---|---|
502 | * |
503 | * The dynamic portion of the hook name, `$option`, refers to the user option name. |
504 | * |
505 | * @since 2.5.0 |
506 | * |
507 | * @param mixed $result Value for the user's option. |
508 | * @param string $option Name of the option being retrieved. |
509 | * @param WP_User $user WP_User object of the user whose option is being retrieved. |
510 | */ |
511 | return apply_filters( "get_user_option_{$option}", $result, $option, $user ); |
512 | } |
513 |
|
514 | /** |
515 | * Update user option with global blog capability. |
516 | * |
517 | * User options are just like user metadata except that they have support for |
518 | * global blog options. If the 'global' parameter is false, which it is by default |
519 | * it will prepend the WordPress table prefix to the option name. |
520 | * |