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  1. This method is called during instantiation of the filter class object. If your filter allocates or initializes any other resources (such as a buffer), this is the place to do it. When your filter is first instantiated, and yourfilter->onCreate() is called, a number of properties will be available as shown in the table below.

  2. Aug 29, 2025 · This method is called during instantiation of the filter class object. If your filter allocates or initializes any other resources (such as a buffer), this is the place to do it. When your filter is first instantiated, and yourfilter->onCreate () is called, a number of properties will be available as shown in the table below.

  3. php_user_filter::onCreate (PHP 5, PHP 7) php_user_filter::onCreate — Called when creating the filter Description public php_user_filter::onCreate ( ) : bool This method is called during instantiation of the filter class object. If your filter allocates or initializes any other resources (such as a buffer), this is the place to do it.

  4. Si votre filtre alloue ou initialise d'autres ressources (comme un buffer), c'est la place pour le faire. Lorsque votre filtre est instancié et que yourfilter->onCreate () est appelé, un nombre de propriétés sera disponible comme montré dans la table ci-dessous.

  5. Simple usage example of `php_user_filter::onCreate ()`. The `php_user_filter::onCreate` function is a PHP callback function that gets executed when creating a user-defined stream filter. This function allows you to perform any necessary initialization tasks or customizations before the filter is applied to the stream data.

  6. This method is called during instantiation of the filter class object. If your filter allocates or initializes any other resources (such as a buffer), this is the place to do it. When your filter is first instantiated, and yourfilter->onCreate () is called, a number of properties will be available as shown in the table below.

  7. Table of Contents php_user_filter::filter — Called when applying the filter php_user_filter::onClose — Called when closing the filter php_user_filter::onCreate — Called when creating the filter