Dostupnost ve verzích:
Attach a filter to a stream
|Parametr||Datový typ||Výchozí hodnota||Poznámka|
||The target stream.|
||The filter name.|
||null,||By default, stream_filter_prepend will attach the filter to the read filter chain if the file was opened for reading (i.e. File Mode: r, and/or +). The filter will also be attached to the write filter chain if the file was opened for writing (i.e. File Mode: w, a, and/or +). STREAM_FILTER_READ, STREAM_FILTER_WRITE, and/or STREAM_FILTER_ALL can also be passed to the read_write parameter to override this behavior. See stream_filter_append for an example of using this parameter.|
||null||This filter will be added with the specified params to the beginning of the list and will therefore be called first during stream operations. To add a filter to the end of the list, use stream_filter_append.|
a resource which can be used to refer to this filter instance during a call to stream_filter_remove.
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