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PHP Manual :: php_user_filter::onCreate

php_user_filter::onClose || streamWrapper || php_user_filter || PHP Manual

(PHP 5, PHP 7)

php_user_filter::onCreateCalled when creating the filter


public bool php_user_filter::onCreate ( void )

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.

Property Contents
FilterClass->filtername A string containing the name the filter was instantiated with. Filters may be registered under multiple names or under wildcards. Use this property to determine which name was used.
FilterClass->params The contents of the params parameter passed to stream_filter_append() or stream_filter_prepend().
FilterClass->stream The stream resource being filtered. Maybe available only during filter() calls when the closing parameter is set to FALSE.


This function has no parameters.

Return Values

Your implementation of this method should return FALSE on failure, or TRUE on success.

php_user_filter::onClose || streamWrapper || php_user_filter || PHP Manual
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