stream_filter_prepend

(PHP 4 = 4.3.0)

stream_filter_prepend -- Attach a filter to a stream.

Description

bool stream_filter_prepend ( resource stream, string filtername [, string params])

Adds filtername to the list of filters attached to stream . This filter will be added with the specified params to the beginning of the list and will therefore be called first during stream opperations. To add a filter to the end of the list, use stream_filter_append() .

注意 stream_register_filter() must be called first in order to register the desired user filter to filtername .

See Also: stream_register_filter() , and stream_filter_append()