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[Console] Constant STDOUT might be undefined.

This commit is contained in:
Nicolas Grekas 2019-11-05 16:00:49 +01:00 committed by Robin Chalas
parent 7064ff35f2
commit bb8c82c0b5
1 changed files with 14 additions and 1 deletions
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15
src/Symfony/Component/Console/Terminal.php
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@ -79,7 +79,9 @@ class Terminal
// or [w, h] from "wxh"
self::$width = (int) $matches[1];
self::$height = isset($matches[4]) ? (int) $matches[4] : (int) $matches[2];
} elseif (self::hasSttyAvailable()) {
} elseif (!self::hasVt100Support() && self::hasSttyAvailable()) {
// only use stty on Windows if the terminal does not support vt100 (e.g. Windows 7 + git-bash)
// testing for stty in a Windows 10 vt100-enabled console will implicitly disable vt100 support on STDOUT
self::initDimensionsUsingStty();
} elseif (null !== $dimensions = self::getConsoleMode()) {
// extract [w, h] from "wxh"
@ -91,6 +93,17 @@ class Terminal
}
}
/**
* Returns whether STDOUT has vt100 support (some Windows 10+ configurations).
*/
private static function hasVt100Support()
{
return \function_exists('sapi_windows_vt100_support') && sapi_windows_vt100_support(fopen('php://stdout', 'w'));
}
/**
* Initializes dimensions using the output of an stty columns line.
*/
private static function initDimensionsUsingStty()
{
if ($sttyString = self::getSttyColumns()) {