Source View: updated_option

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: 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.

Source View

Line Code
319      /**
320       * Fires after the value of an option has been successfully updated.
321       *
322       * @since 2.9.0
323       *
324       * @param string $option    Name of the updated option.
325       * @param mixed  $old_value The old option value.
326       * @param mixed  $value     The new option value.
327       */
328      do_action( 'updated_option', $option, $old_value, $value );
329      return true;
330 }
331
332 /**
333  * Add a new option.
334  *
335  * You do not need to serialize values. If the value needs to be serialized, then
336  * it will be serialized before it is inserted into the database. Remember,
337  * resources can not be serialized or added as an option.