28 lines
930 B
PHP
28 lines
930 B
PHP
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<?php
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namespace Consolidation\SiteProcess\Util;
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use Symfony\Component\Process\Process;
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/**
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* Wrapper for universal support of TTY-related functionality across versions of
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* Symfony Process.
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*/
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class Tty
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{
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/**
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* In Symfony Process 4+, this is simply a wrapper for Process::isTtySupported().
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* In lower versions, it mimics the same functionality.
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*/
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public static function isTtySupported()
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{
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// Start off by checking STDIN with `posix_isatty`, as that appears to be more reliable
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if (function_exists('posix_isatty')) {
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return posix_isatty(STDIN);
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}
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if (method_exists('\Symfony\Component\Process\Process', 'isTtySupported')) {
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return Process::isTtySupported();
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}
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return (bool) @proc_open('echo 1 >/dev/null', array(array('file', '/dev/tty', 'r'), array('file', '/dev/tty', 'w'), array('file', '/dev/tty', 'w')), $pipes);
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}
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}
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