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My own hook doesn't work


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Hello, I created my own hook.  This hook has the task of entering the value into the database. 

My code looks like this : 


/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )

class hook57 extends _HOOK_CLASS_
	 * Process create/edit form
	 * @param	array				$values	Values from form
	 * @return	void
	public function processForm( $values )
          if(static::$customDatabaseId == 30) {
           $values['field_157'] = 1;
           parent::processForm( $values );

But when I add a record, I get an error : 

IPS \ Db \ Exception (1366)

Incorrect integer value: '' for column 'field_157' at row 1

Why is this happening?

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You need to make the hook extend the actual records class that it needs to work with, or else static::$customDatabaseId won't be set. So, for example, if you are working against database ID #3, then you would extend \IPS\cms\Records3.

This class is automatically created (via eval()) from applications/cms/Application.php right at the top of the file in the spl_autoload_register() definition for reference. There is a different class for each database (there is also \Comment3, Review3, Categories3, RecordsTopicSync3, CommentTopicSync3, and Fields3 with the database ID 3 example here for reference).

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