Source View: update_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
252                wp_cache_set( 'alloptions', $alloptions, 'options' );
253           } else {
254                wp_cache_set( $option, $_newvalue, 'options' );
255           }
256      }
257
258      $result = $wpdb->update( $wpdb->options, array( 'option_value' => $newvalue ), array( 'option_name' => $option ) );
259
260      if ( $result ) {
261           do_action( "update_option_{$option}", $oldvalue, $_newvalue );
262           do_action( 'updated_option', $option, $oldvalue, $_newvalue );
263           return true;
264      }
265      return false;
266 }
267
268 /**
269  * Add a new option.
270  *