bool haveReadSupport() Returns if pipes are able to read output.

close() Closes file handles and pipes.

close() Closes file handles and pipes.

bool areOpen() Returns if the current state has open file handles or pipes.

string[] readAndWrite(bool $blocking, bool $close = false) Reads data in file handles and pipes

bool areOpen() Returns if the current state has open file handles or pipes.

array getDescriptors() Returns an array of descriptors for the use of proc_open.

string[] getFiles() Returns an array of filenames indexed by their related stream in case these

string[] readAndWrite(bool $blocking, bool $close = false) Reads data in file handles and pipes

bool haveReadSupport() Returns if pipes are able to read output.