Fieldtype::wakeupValue() method

Given a raw value (value as stored in database), return the value as it would appear in a Page object.

In many cases, no change to the value may be necessary, but if a Page expects this value as an object (for instance) then this would be the method that converts that value to an object and returns it.

This method is called by the Page class, which takes the value provided by Fieldtype::loadPageField() and sends it to this method before making it a part of the Page.

Usage

$string = $fieldtype->wakeupValue(Page $page, Field $field, $value);

Arguments

NameType(s)Description
pagePage
fieldField
valuestring, int, array

Return value

string int array object

$value


Hooking Fieldtype::wakeupValue(…)

You can add your own hook events that are executed either before or after the Fieldtype::wakeupValue(…) method is executed. Examples of both are included below. A good place for hook code such as this is in your /site/ready.php file.

Hooking before

The 'before' hooks are called immediately before each Fieldtype::wakeupValue(…) method call is executed. This type of hook is especially useful for modifying arguments before they are sent to the method.

$this->addHookBefore('Fieldtype::wakeupValue', function(HookEvent $event) {
  // Get the object the event occurred on, if needed
  $Fieldtype = $event->object;

  // Get values of arguments sent to hook (and optionally modify them)
  $page = $event->arguments(0);
  $field = $event->arguments(1);
  $value = $event->arguments(2);

  /* Your code here, perhaps modifying arguments */

  // Populate back arguments (if you have modified them)
  $event->arguments(0, $page);
  $event->arguments(1, $field);
  $event->arguments(2, $value);
});

Hooking after

The 'after' hooks are called immediately after each Fieldtype::wakeupValue(…) method call is executed. This type of hook is especially useful for modifying the value that was returned by the method call.

$this->addHookAfter('Fieldtype::wakeupValue', function(HookEvent $event) {
  // Get the object the event occurred on, if needed
  $Fieldtype = $event->object;

  // An 'after' hook can retrieve and/or modify the return value
  $return = $event->return;

  // Get values of arguments sent to hook (if needed)
  $page = $event->arguments(0);
  $field = $event->arguments(1);
  $value = $event->arguments(2);

  /* Your code here, perhaps modifying the return value */

  // Populate back return value, if you have modified it
  $event->return = $return;
});

See Also


Fieldtype methods and properties

API reference based on ProcessWire core version 3.0.155

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