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Source View: pre_update_option_{$option}

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Line Code
219           return false;
220
221      wp_protect_special_option( $option );
222
223      if ( is_object( $value ) )
224           $value = clone $value;
225
226      $value = sanitize_option( $option, $value );
227      $old_value = get_option( $option );
228      $value = apply_filters( 'pre_update_option_' . $option, $value, $old_value );
229
230      // If the new and old values are the same, no need to update.
231      if ( $value === $old_value )
232           return false;
233
234      if ( false === $old_value )
235           return add_option( $option, $value );
236
237      $serialized_value = maybe_serialize( $value );