Source View: add_option_{$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
598      $notoptions = wp_cache_get( 'notoptions', 'options' ); // yes, again... we need it to be fresh
599      if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) {
600           unset( $notoptions[$option] );
601           wp_cache_set( 'notoptions', $notoptions, 'options' );
602      }
603
604      $result = $wpdb->query( $wpdb->prepare( "INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, %s) ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)", $option, $value, $autoload ) );
605
606      if ( $result ) {
607           do_action( "add_option_{$option}", $option, $_value );
608           do_action( 'added_option', $option, $_value );
609           return true;
610      }
611      return false;
612 }
613
614 /**
615  * Removes option by name. Prevents removal of protected WordPress options.
616  *