sapi_windows_vt100_support - PHP code example

The php Function Sapi_WindowsVT100_Support

The php function sapi_windows_vt100_support is used to enable the VT100 feature of STDOUT and STDERR. It may not work if those streams are redirected, such as to a file.

PHP is a loosely typed language, meaning that it doesn't require strict types. This makes it possible to perform some nifty trickery with the language, for example, using the question mark prefix (?int) to signify that the value passed in is a string.

Another important concept in PHP is the notion of functions. Functions are reusable pieces of code that can be called and executed at any time. PHP provides many built-in functions that can be used to accomplish a wide range of programming tasks. These functions can be found within the standard distribution or through additional extensions compiled with PHP.

To call a function, you just need to name it, and then specify the input arguments. You can have as many arguments as you want, and they are separated by commas. You can also pass a variable as an argument if you want to access the same value/memory-space inside and outside of the function.

One of the most useful functions in PHP is the array function, which can be used to perform various actions on an array. These actions include sorting, finding an element, returning the keys, combining arrays, and more. In addition, you can use a special attribute called 'by reference' when calling a function. This allows you to pass a variable as an argument, but the variable itself remains in memory even after the function has returned.

sapi_windows_vt100_support example

        } else {
            self::initDimensionsUsingStty();
        }
    }

    /** * Returns whether STDOUT has vt100 support (some Windows 10+ configurations). */
    private static function hasVt100Support(): bool
    {
        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(): void
    {
        if ($sttyString = self::getSttyColumns()) {
            if (preg_match('/rows.(\d+);.columns.(\d+);/is', $sttyString, $matches)) {
                // extract [w, h] from "rows h; columns w;"                 self::$width = (int) $matches[2];

// Follow https://no-color.org/         if (isset($_SERVER['NO_COLOR']) || false !== getenv('NO_COLOR')) {
            return false;
        }

        if ('Hyper' === getenv('TERM_PROGRAM')) {
            return true;
        }

        if (\DIRECTORY_SEPARATOR === '\\') {
            return (\function_exists('sapi_windows_vt100_support')
                && @sapi_windows_vt100_support($stream))
                || false !== getenv('ANSICON')
                || 'ON' === getenv('ConEmuANSI')
                || 'xterm' === getenv('TERM');
        }

        return stream_isatty($stream);
    }

    /** * Returns true if the Windows terminal supports true color. * * Note that this does not check an output stream, but relies on environment * variables from known implementations, or a PHP and Windows version that * supports true color. */

// Follow https://no-color.org/         if (isset($_SERVER['NO_COLOR']) || false !== getenv('NO_COLOR')) {
            return false;
        }

        if ('Hyper' === getenv('TERM_PROGRAM')) {
            return true;
        }

        if (\DIRECTORY_SEPARATOR === '\\') {
            return (\function_exists('sapi_windows_vt100_support')
                && @sapi_windows_vt100_support($this->stream))
                || false !== getenv('ANSICON')
                || 'ON' === getenv('ConEmuANSI')
                || 'xterm' === getenv('TERM');
        }

        return stream_isatty($this->stream);
    }
}

$this->windows_output = true;
            } else {
                $stream = self::$windows_stream;

                if (!$stream && \defined('STDOUT')) {
                    $stream = STDOUT;
                }

                if (!$stream) {
                    $this->windows_output = true;
                } else {
                    $this->windows_output = !\sapi_windows_vt100_support($stream);
                }
            }
        }

        if (!self::$terminal_width) {
            if (!KINT_WIN && self::$detect_width) {
                try {
                    self::$terminal_width = (int) \exec('tput cols');
                } catch (Throwable $t) {
                    self::$terminal_width = self::$default_width;
                }
            }

// Follow https://no-color.org/         if (isset($_SERVER['NO_COLOR']) || false !== getenv('NO_COLOR')) {
            return false;
        }

        if ('Hyper' === getenv('TERM_PROGRAM')) {
            return true;
        }

        if (\DIRECTORY_SEPARATOR === '\\') {
            return (\function_exists('sapi_windows_vt100_support')
                && @sapi_windows_vt100_support($this->stream))
                || false !== getenv('ANSICON')
                || 'ON' === getenv('ConEmuANSI')
                || 'xterm' === getenv('TERM');
        }

        return stream_isatty($this->stream);
    }
}

if (!defined('PHP_FLOAT_MIN')) {
    define('PHP_FLOAT_MIN', 2.2250738585072E-308);
}
if (!defined('PHP_FLOAT_MAX')) {
    define('PHP_FLOAT_MAX', 1.7976931348623157E+308);
}
if (!defined('PHP_OS_FAMILY')) {
    define('PHP_OS_FAMILY', p\Php72::php_os_family());
}

if ('\\' === \DIRECTORY_SEPARATOR && !function_exists('sapi_windows_vt100_support')) {
    function sapi_windows_vt100_support($stream, $enable = null) { return p\Php72::sapi_windows_vt100_support($stream, $enable); }
}
if (!function_exists('stream_isatty')) {
    function stream_isatty($stream) { return p\Php72::stream_isatty($stream); }
}
if (!function_exists('utf8_encode')) {
    function utf8_encode($string) { return p\Php72::utf8_encode($string); }
}
if (!function_exists('utf8_decode')) {
    function utf8_decode($string) { return p\Php72::utf8_decode($string); }
}
if (!function_exists('spl_object_id')) {

// Follow https://no-color.org/         if (isset($_SERVER['NO_COLOR']) || false !== getenv('NO_COLOR')) {
            return false;
        }

        if ('Hyper' === getenv('TERM_PROGRAM')) {
            return true;
        }

        if (\DIRECTORY_SEPARATOR === '\\') {
            return (\function_exists('sapi_windows_vt100_support')
                && sapi_windows_vt100_support(\STDOUT))
                || false !== getenv('ANSICON')
                || 'ON' === getenv('ConEmuANSI')
                || 'xterm' === getenv('TERM');
        }

        if (\function_exists('stream_isatty')) {
            return @stream_isatty(\STDOUT);
        }

        if (\function_exists('posix_isatty')) {
            return @posix_isatty(\STDOUT);
        }