Bug #63922 [NEW]: stream_select on pipes returned by proc_open returns streams that are not ready

From: LastDragon at yandex dot ru Operating system: Windows PHP version: 5.4.10 Package: Streams related Bug Type: Bug Bug description:stream_select on pipes returned by proc_open returns streams that are not ready Description: ------------ This is https://bugs.php.net/bug.php?id=44908 that is still exists... ~5 years :'( > When using stream_select() on pipes returned by proc_open() in Windows, input streams that are not ready are returned in the modified $read array. Test script: --------------- <?php // stream_select.php $cmd = "php stream_select.process.php"; $pipes = array(); $descriptors = array( 0 => array("pipe", "r"), // stdin 1 => array("pipe", "w"), // stdout 2 => array("pipe", "w"), // stderr ); $process = proc_open($cmd, $descriptors, $pipes); if (is_resource($process)) { $read = [$pipes[1], $pipes[2]]; $write = null; $except = null; $changed = stream_select($read, $write, $except, null); var_dump($changed, $read, $write); } // stream_select.process.php <?php fwrite(STDOUT, 'test'); fflush(STDOUT); sleep(15); exit(0); Expected result: ---------------- int(1) array(1) { [0]=> resource(5) of type (stream) } NULL Actual result: -------------- int(2) array(2) { [0]=> resource(5) of type (stream) [1]=> resource(6) of type (stream) } NULL -- Edit bug report at https://bugs.php.net/bug.php?id=63922&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=63922&r=trysnapshot54 Try a snapshot (PHP 5.3): https://bugs.php.net/fix.php?id=63922&r=trysnapshot53 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=63922&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=63922&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=63922&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=63922&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=63922&r=needscript Try newer version: https://bugs.php.net/fix.php?id=63922&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=63922&r=support Expected behavior: https://bugs.php.net/fix.php?id=63922&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=63922&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=63922&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=63922&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=63922&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=63922&r=dst IIS Stability: https://bugs.php.net/fix.php?id=63922&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=63922&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=63922&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=63922&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=63922&r=mysqlcfg