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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 |
---|---|
606 | * |
607 | * The dynamic portion of the hook name, `$option`, refers to the option name. |
608 | * |
609 | * @since 2.5.0 As "add_option_{$name}" |
610 | * @since 3.0.0 |
611 | * |
612 | * @param string $option Name of the option to add. |
613 | * @param mixed $value Value of the option. |
614 | */ |
615 | do_action( "add_option_{$option}", $option, $value ); |
616 |
|
617 | /** |
618 | * Fires after an option has been added. |
619 | * |
620 | * @since 2.9.0 |
621 | * |
622 | * @param string $option Name of the added option. |
623 | * @param mixed $value Value of the option. |
624 | */ |