string[] readAndWrite(bool $blocking, bool $close = false) Reads data in file handles and pipes. Parameters bool $blocking Whether to use blocking calls or not bool $close Whether to close pipes if they've reached EOF Return Value string[] An array of read data indexed by their fd

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

string[] getFiles() Returns an array of filenames indexed by their related stream in case these pipes use temporary files. Return Value string[]

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

close() Closes file handles and pipes.

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

class WindowsPipes extends AbstractPipes WindowsPipes implementation uses temporary files as handles. Properties array $pipes from AbstractPipes Methods __construct($input, $haveReadSupport) close() Closes file handles and pipes. __destruct() 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 pipes use temporary files. string[] read

class WinCacheClassLoader WinCacheClassLoader implements a wrapping autoloader cached in WinCache. It expects an object implementing a findFile method to find the file. This allow using it as a wrapper around the other loaders of the component (the ClassLoader for instance) but also around any other autoloaders following this convention (the Composer one for instance). // with a Symfony autoloader $loader = new ClassLoader(); $loader->addPrefix('Symfony\Component', __DIR__.'/component');

class WhitespaceHandler implements HandlerInterface CSS selector whitespace handler. This component is a port of the Python cssselect library, which is copyright Ian Bicking, see https://github.com/SimonSapin/cssselect. Methods bool handle(Reader $reader, TokenStream $stream) Details bool handle(Reader $reader, TokenStream $stream) Parameters Reader $reader TokenStream $stream Return Value bool

class WebTestCase extends KernelTestCase WebTestCase is the base class for functional tests.