Add PHP 8 type hints to event and validation callback examples #8208
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Add EventInterface parameter types and void return types to event listener callbacks in the Events System documentation. Add typed parameters (mixed $value, array $context) and return types to validation callback examples.
josbeir
approved these changes
Jan 30, 2026
Fix invalid valueField 'studentFirstName' to 'first_name' matching actual database column conventions. Fix indentation of find() arguments. Add context comment clarifying where the code runs.
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Summary
EventInterfaceparameter types to event listener callbacks in the Events System docs (~15 callback signatures updated)voidreturn types to event listener methods that don't return valuesmixed $value, array $contextparameter types to custom validation rule closuresarray $contextparameter type andboolreturn type to conditional validation callbacks (on,allowEmpty*,notEmpty*,requirePresence)use Cake\Event\EventInterfaceimports to code blocks that needed themTest plan