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<?php
function testToStdOut()
{
$sampleStreams = array(
'STDIN (constant)' => STDIN,
'STDIN (fopen)' => fopen('php://stdin', 'rb'),
'STDIN (php://fd/0)' => fopen('php://fd/0', 'rb'),
'STDOUT (constant)' => STDOUT,
'STDOUT (fopen)' => fopen('php://stdout', 'wb'),
'STDOUT (php://fd/1)' => fopen('php://fd/1', 'wb'),
'STDERR (constant)' => STDERR,
'STDERR (fopen)' => fopen('php://stderr', 'wb'),
'STDERR (php://fd/2)' => fopen('php://fd/2', 'wb'),
'Not a stream' => 'foo',
'Invalid stream (php://temp)' => fopen('php://temp', 'wb'),
'Invalid stream (php://input)' => fopen('php://input', 'wb'),
'Invalid stream (php://memory)' => fopen('php://memory', 'wb'),
'File stream' => $closeMe = fopen(__FILE__, 'rb'),
);
foreach ($sampleStreams as $name => $stream) {
echo "$name: "; var_dump(stream_isatty($stream));
}
fclose($closeMe);
}
function testToStdErr()
{
ob_start();
testToStdOut();
$result = ob_get_contents();
ob_end_clean();
fwrite(STDERR, $result);
}
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