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Source View: update_option_{$option}

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Line Code
365       * The dynamic portion of the hook name, `$option`, refers to the option name.
366       *
367       * @since 2.0.1
368       * @since 4.4.0 The `$option` parameter was added.
369       *
370       * @param mixed  $old_value The old option value.
371       * @param mixed  $value     The new option value.
372       * @param string $option    Option name.
373       */
374      do_action( "update_option_{$option}", $old_value, $value, $option );
375
376      /**
377       * Fires after the value of an option has been successfully updated.
378       *
379       * @since 2.9.0
380       *
381       * @param string $option    Name of the updated option.
382       * @param mixed  $old_value The old option value.
383       * @param mixed  $value     The new option value.