Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\VarDumper\Dumper;
Chris@0: 
Chris@0: use Symfony\Component\VarDumper\Cloner\Cursor;
Chris@0: use Symfony\Component\VarDumper\Cloner\Stub;
Chris@0: 
Chris@0: /**
Chris@0:  * CliDumper dumps variables for command line output.
Chris@0:  *
Chris@0:  * @author Nicolas Grekas <p@tchwork.com>
Chris@0:  */
Chris@0: class CliDumper extends AbstractDumper
Chris@0: {
Chris@0:     public static $defaultColors;
Chris@0:     public static $defaultOutput = 'php://stdout';
Chris@0: 
Chris@0:     protected $colors;
Chris@0:     protected $maxStringWidth = 0;
Chris@17:     protected $styles = [
Chris@0:         // See http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
Chris@0:         'default' => '38;5;208',
Chris@0:         'num' => '1;38;5;38',
Chris@0:         'const' => '1;38;5;208',
Chris@0:         'str' => '1;38;5;113',
Chris@0:         'note' => '38;5;38',
Chris@0:         'ref' => '38;5;247',
Chris@0:         'public' => '',
Chris@0:         'protected' => '',
Chris@0:         'private' => '',
Chris@0:         'meta' => '38;5;170',
Chris@0:         'key' => '38;5;113',
Chris@0:         'index' => '38;5;38',
Chris@17:     ];
Chris@0: 
Chris@0:     protected static $controlCharsRx = '/[\x00-\x1F\x7F]+/';
Chris@17:     protected static $controlCharsMap = [
Chris@0:         "\t" => '\t',
Chris@0:         "\n" => '\n',
Chris@0:         "\v" => '\v',
Chris@0:         "\f" => '\f',
Chris@0:         "\r" => '\r',
Chris@0:         "\033" => '\e',
Chris@17:     ];
Chris@0: 
Chris@12:     protected $collapseNextHash = false;
Chris@12:     protected $expandNextHash = false;
Chris@12: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function __construct($output = null, $charset = null, $flags = 0)
Chris@0:     {
Chris@0:         parent::__construct($output, $charset, $flags);
Chris@0: 
Chris@17:         if ('\\' === \DIRECTORY_SEPARATOR && !$this->isWindowsTrueColor()) {
Chris@0:             // Use only the base 16 xterm colors when using ANSICON or standard Windows 10 CLI
Chris@17:             $this->setStyles([
Chris@0:                 'default' => '31',
Chris@0:                 'num' => '1;34',
Chris@0:                 'const' => '1;31',
Chris@0:                 'str' => '1;32',
Chris@0:                 'note' => '34',
Chris@0:                 'ref' => '1;30',
Chris@0:                 'meta' => '35',
Chris@0:                 'key' => '32',
Chris@0:                 'index' => '34',
Chris@17:             ]);
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Enables/disables colored output.
Chris@0:      *
Chris@0:      * @param bool $colors
Chris@0:      */
Chris@0:     public function setColors($colors)
Chris@0:     {
Chris@0:         $this->colors = (bool) $colors;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Sets the maximum number of characters per line for dumped strings.
Chris@0:      *
Chris@0:      * @param int $maxStringWidth
Chris@0:      */
Chris@0:     public function setMaxStringWidth($maxStringWidth)
Chris@0:     {
Chris@0:         $this->maxStringWidth = (int) $maxStringWidth;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Configures styles.
Chris@0:      *
Chris@0:      * @param array $styles A map of style names to style definitions
Chris@0:      */
Chris@0:     public function setStyles(array $styles)
Chris@0:     {
Chris@0:         $this->styles = $styles + $this->styles;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function dumpScalar(Cursor $cursor, $type, $value)
Chris@0:     {
Chris@0:         $this->dumpKey($cursor);
Chris@0: 
Chris@0:         $style = 'const';
Chris@0:         $attr = $cursor->attr;
Chris@0: 
Chris@0:         switch ($type) {
Chris@0:             case 'default':
Chris@0:                 $style = 'default';
Chris@0:                 break;
Chris@0: 
Chris@0:             case 'integer':
Chris@0:                 $style = 'num';
Chris@0:                 break;
Chris@0: 
Chris@0:             case 'double':
Chris@0:                 $style = 'num';
Chris@0: 
Chris@0:                 switch (true) {
Chris@0:                     case INF === $value:  $value = 'INF'; break;
Chris@0:                     case -INF === $value: $value = '-INF'; break;
Chris@0:                     case is_nan($value):  $value = 'NAN'; break;
Chris@0:                     default:
Chris@0:                         $value = (string) $value;
Chris@0:                         if (false === strpos($value, $this->decimalPoint)) {
Chris@0:                             $value .= $this->decimalPoint.'0';
Chris@0:                         }
Chris@0:                         break;
Chris@0:                 }
Chris@0:                 break;
Chris@0: 
Chris@0:             case 'NULL':
Chris@0:                 $value = 'null';
Chris@0:                 break;
Chris@0: 
Chris@0:             case 'boolean':
Chris@0:                 $value = $value ? 'true' : 'false';
Chris@0:                 break;
Chris@0: 
Chris@0:             default:
Chris@17:                 $attr += ['value' => $this->utf8Encode($value)];
Chris@0:                 $value = $this->utf8Encode($type);
Chris@0:                 break;
Chris@0:         }
Chris@0: 
Chris@0:         $this->line .= $this->style($style, $value, $attr);
Chris@0: 
Chris@0:         $this->endValue($cursor);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function dumpString(Cursor $cursor, $str, $bin, $cut)
Chris@0:     {
Chris@0:         $this->dumpKey($cursor);
Chris@0:         $attr = $cursor->attr;
Chris@0: 
Chris@0:         if ($bin) {
Chris@0:             $str = $this->utf8Encode($str);
Chris@0:         }
Chris@0:         if ('' === $str) {
Chris@0:             $this->line .= '""';
Chris@0:             $this->endValue($cursor);
Chris@0:         } else {
Chris@17:             $attr += [
Chris@0:                 'length' => 0 <= $cut ? mb_strlen($str, 'UTF-8') + $cut : 0,
Chris@0:                 'binary' => $bin,
Chris@17:             ];
Chris@0:             $str = explode("\n", $str);
Chris@0:             if (isset($str[1]) && !isset($str[2]) && !isset($str[1][0])) {
Chris@0:                 unset($str[1]);
Chris@0:                 $str[0] .= "\n";
Chris@0:             }
Chris@17:             $m = \count($str) - 1;
Chris@0:             $i = $lineCut = 0;
Chris@0: 
Chris@0:             if (self::DUMP_STRING_LENGTH & $this->flags) {
Chris@0:                 $this->line .= '('.$attr['length'].') ';
Chris@0:             }
Chris@0:             if ($bin) {
Chris@0:                 $this->line .= 'b';
Chris@0:             }
Chris@0: 
Chris@0:             if ($m) {
Chris@0:                 $this->line .= '"""';
Chris@0:                 $this->dumpLine($cursor->depth);
Chris@0:             } else {
Chris@0:                 $this->line .= '"';
Chris@0:             }
Chris@0: 
Chris@0:             foreach ($str as $str) {
Chris@0:                 if ($i < $m) {
Chris@0:                     $str .= "\n";
Chris@0:                 }
Chris@0:                 if (0 < $this->maxStringWidth && $this->maxStringWidth < $len = mb_strlen($str, 'UTF-8')) {
Chris@0:                     $str = mb_substr($str, 0, $this->maxStringWidth, 'UTF-8');
Chris@0:                     $lineCut = $len - $this->maxStringWidth;
Chris@0:                 }
Chris@0:                 if ($m && 0 < $cursor->depth) {
Chris@0:                     $this->line .= $this->indentPad;
Chris@0:                 }
Chris@0:                 if ('' !== $str) {
Chris@0:                     $this->line .= $this->style('str', $str, $attr);
Chris@0:                 }
Chris@0:                 if ($i++ == $m) {
Chris@0:                     if ($m) {
Chris@0:                         if ('' !== $str) {
Chris@0:                             $this->dumpLine($cursor->depth);
Chris@0:                             if (0 < $cursor->depth) {
Chris@0:                                 $this->line .= $this->indentPad;
Chris@0:                             }
Chris@0:                         }
Chris@0:                         $this->line .= '"""';
Chris@0:                     } else {
Chris@0:                         $this->line .= '"';
Chris@0:                     }
Chris@0:                     if ($cut < 0) {
Chris@0:                         $this->line .= '…';
Chris@0:                         $lineCut = 0;
Chris@0:                     } elseif ($cut) {
Chris@0:                         $lineCut += $cut;
Chris@0:                     }
Chris@0:                 }
Chris@0:                 if ($lineCut) {
Chris@0:                     $this->line .= '…'.$lineCut;
Chris@0:                     $lineCut = 0;
Chris@0:                 }
Chris@0: 
Chris@0:                 if ($i > $m) {
Chris@0:                     $this->endValue($cursor);
Chris@0:                 } else {
Chris@0:                     $this->dumpLine($cursor->depth);
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function enterHash(Cursor $cursor, $type, $class, $hasChild)
Chris@0:     {
Chris@0:         $this->dumpKey($cursor);
Chris@0: 
Chris@12:         if ($this->collapseNextHash) {
Chris@12:             $cursor->skipChildren = true;
Chris@12:             $this->collapseNextHash = $hasChild = false;
Chris@12:         }
Chris@12: 
Chris@0:         $class = $this->utf8Encode($class);
Chris@0:         if (Cursor::HASH_OBJECT === $type) {
Chris@0:             $prefix = $class && 'stdClass' !== $class ? $this->style('note', $class).' {' : '{';
Chris@0:         } elseif (Cursor::HASH_RESOURCE === $type) {
Chris@0:             $prefix = $this->style('note', $class.' resource').($hasChild ? ' {' : ' ');
Chris@0:         } else {
Chris@0:             $prefix = $class && !(self::DUMP_LIGHT_ARRAY & $this->flags) ? $this->style('note', 'array:'.$class).' [' : '[';
Chris@0:         }
Chris@0: 
Chris@0:         if ($cursor->softRefCount || 0 < $cursor->softRefHandle) {
Chris@17:             $prefix .= $this->style('ref', (Cursor::HASH_RESOURCE === $type ? '@' : '#').(0 < $cursor->softRefHandle ? $cursor->softRefHandle : $cursor->softRefTo), ['count' => $cursor->softRefCount]);
Chris@0:         } elseif ($cursor->hardRefTo && !$cursor->refIndex && $class) {
Chris@17:             $prefix .= $this->style('ref', '&'.$cursor->hardRefTo, ['count' => $cursor->hardRefCount]);
Chris@0:         } elseif (!$hasChild && Cursor::HASH_RESOURCE === $type) {
Chris@0:             $prefix = substr($prefix, 0, -1);
Chris@0:         }
Chris@0: 
Chris@0:         $this->line .= $prefix;
Chris@0: 
Chris@0:         if ($hasChild) {
Chris@0:             $this->dumpLine($cursor->depth);
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function leaveHash(Cursor $cursor, $type, $class, $hasChild, $cut)
Chris@0:     {
Chris@0:         $this->dumpEllipsis($cursor, $hasChild, $cut);
Chris@0:         $this->line .= Cursor::HASH_OBJECT === $type ? '}' : (Cursor::HASH_RESOURCE !== $type ? ']' : ($hasChild ? '}' : ''));
Chris@0:         $this->endValue($cursor);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps an ellipsis for cut children.
Chris@0:      *
Chris@0:      * @param Cursor $cursor   The Cursor position in the dump
Chris@0:      * @param bool   $hasChild When the dump of the hash has child item
Chris@0:      * @param int    $cut      The number of items the hash has been cut by
Chris@0:      */
Chris@0:     protected function dumpEllipsis(Cursor $cursor, $hasChild, $cut)
Chris@0:     {
Chris@0:         if ($cut) {
Chris@0:             $this->line .= ' …';
Chris@0:             if (0 < $cut) {
Chris@0:                 $this->line .= $cut;
Chris@0:             }
Chris@0:             if ($hasChild) {
Chris@0:                 $this->dumpLine($cursor->depth + 1);
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps a key in a hash structure.
Chris@0:      *
Chris@0:      * @param Cursor $cursor The Cursor position in the dump
Chris@0:      */
Chris@0:     protected function dumpKey(Cursor $cursor)
Chris@0:     {
Chris@0:         if (null !== $key = $cursor->hashKey) {
Chris@0:             if ($cursor->hashKeyIsBinary) {
Chris@0:                 $key = $this->utf8Encode($key);
Chris@0:             }
Chris@17:             $attr = ['binary' => $cursor->hashKeyIsBinary];
Chris@0:             $bin = $cursor->hashKeyIsBinary ? 'b' : '';
Chris@0:             $style = 'key';
Chris@0:             switch ($cursor->hashType) {
Chris@0:                 default:
Chris@0:                 case Cursor::HASH_INDEXED:
Chris@0:                     if (self::DUMP_LIGHT_ARRAY & $this->flags) {
Chris@0:                         break;
Chris@0:                     }
Chris@0:                     $style = 'index';
Chris@0:                     // no break
Chris@0:                 case Cursor::HASH_ASSOC:
Chris@17:                     if (\is_int($key)) {
Chris@0:                         $this->line .= $this->style($style, $key).' => ';
Chris@0:                     } else {
Chris@0:                         $this->line .= $bin.'"'.$this->style($style, $key).'" => ';
Chris@0:                     }
Chris@0:                     break;
Chris@0: 
Chris@0:                 case Cursor::HASH_RESOURCE:
Chris@0:                     $key = "\0~\0".$key;
Chris@0:                     // no break
Chris@0:                 case Cursor::HASH_OBJECT:
Chris@0:                     if (!isset($key[0]) || "\0" !== $key[0]) {
Chris@0:                         $this->line .= '+'.$bin.$this->style('public', $key).': ';
Chris@0:                     } elseif (0 < strpos($key, "\0", 1)) {
Chris@0:                         $key = explode("\0", substr($key, 1), 2);
Chris@0: 
Chris@0:                         switch ($key[0][0]) {
Chris@0:                             case '+': // User inserted keys
Chris@0:                                 $attr['dynamic'] = true;
Chris@0:                                 $this->line .= '+'.$bin.'"'.$this->style('public', $key[1], $attr).'": ';
Chris@0:                                 break 2;
Chris@0:                             case '~':
Chris@0:                                 $style = 'meta';
Chris@0:                                 if (isset($key[0][1])) {
Chris@0:                                     parse_str(substr($key[0], 1), $attr);
Chris@17:                                     $attr += ['binary' => $cursor->hashKeyIsBinary];
Chris@0:                                 }
Chris@0:                                 break;
Chris@0:                             case '*':
Chris@0:                                 $style = 'protected';
Chris@0:                                 $bin = '#'.$bin;
Chris@0:                                 break;
Chris@0:                             default:
Chris@0:                                 $attr['class'] = $key[0];
Chris@0:                                 $style = 'private';
Chris@0:                                 $bin = '-'.$bin;
Chris@0:                                 break;
Chris@0:                         }
Chris@0: 
Chris@12:                         if (isset($attr['collapse'])) {
Chris@12:                             if ($attr['collapse']) {
Chris@12:                                 $this->collapseNextHash = true;
Chris@12:                             } else {
Chris@12:                                 $this->expandNextHash = true;
Chris@12:                             }
Chris@12:                         }
Chris@12: 
Chris@12:                         $this->line .= $bin.$this->style($style, $key[1], $attr).(isset($attr['separator']) ? $attr['separator'] : ': ');
Chris@0:                     } else {
Chris@0:                         // This case should not happen
Chris@17:                         $this->line .= '-'.$bin.'"'.$this->style('private', $key, ['class' => '']).'": ';
Chris@0:                     }
Chris@0:                     break;
Chris@0:             }
Chris@0: 
Chris@0:             if ($cursor->hardRefTo) {
Chris@17:                 $this->line .= $this->style('ref', '&'.($cursor->hardRefCount ? $cursor->hardRefTo : ''), ['count' => $cursor->hardRefCount]).' ';
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Decorates a value with some style.
Chris@0:      *
Chris@0:      * @param string $style The type of style being applied
Chris@0:      * @param string $value The value being styled
Chris@0:      * @param array  $attr  Optional context information
Chris@0:      *
Chris@0:      * @return string The value with style decoration
Chris@0:      */
Chris@17:     protected function style($style, $value, $attr = [])
Chris@0:     {
Chris@0:         if (null === $this->colors) {
Chris@0:             $this->colors = $this->supportsColors();
Chris@0:         }
Chris@0: 
Chris@12:         if (isset($attr['ellipsis'], $attr['ellipsis-type'])) {
Chris@12:             $prefix = substr($value, 0, -$attr['ellipsis']);
Chris@17:             if ('cli' === \PHP_SAPI && 'path' === $attr['ellipsis-type'] && isset($_SERVER[$pwd = '\\' === \DIRECTORY_SEPARATOR ? 'CD' : 'PWD']) && 0 === strpos($prefix, $_SERVER[$pwd])) {
Chris@17:                 $prefix = '.'.substr($prefix, \strlen($_SERVER[$pwd]));
Chris@12:             }
Chris@12:             if (!empty($attr['ellipsis-tail'])) {
Chris@12:                 $prefix .= substr($value, -$attr['ellipsis'], $attr['ellipsis-tail']);
Chris@12:                 $value = substr($value, -$attr['ellipsis'] + $attr['ellipsis-tail']);
Chris@12:             } else {
Chris@12:                 $value = substr($value, -$attr['ellipsis']);
Chris@12:             }
Chris@12: 
Chris@12:             return $this->style('default', $prefix).$this->style($style, $value);
Chris@12:         }
Chris@12: 
Chris@0:         $style = $this->styles[$style];
Chris@0: 
Chris@0:         $map = static::$controlCharsMap;
Chris@0:         $startCchr = $this->colors ? "\033[m\033[{$this->styles['default']}m" : '';
Chris@0:         $endCchr = $this->colors ? "\033[m\033[{$style}m" : '';
Chris@0:         $value = preg_replace_callback(static::$controlCharsRx, function ($c) use ($map, $startCchr, $endCchr) {
Chris@0:             $s = $startCchr;
Chris@0:             $c = $c[$i = 0];
Chris@0:             do {
Chris@17:                 $s .= isset($map[$c[$i]]) ? $map[$c[$i]] : sprintf('\x%02X', \ord($c[$i]));
Chris@0:             } while (isset($c[++$i]));
Chris@0: 
Chris@0:             return $s.$endCchr;
Chris@0:         }, $value, -1, $cchrCount);
Chris@0: 
Chris@0:         if ($this->colors) {
Chris@0:             if ($cchrCount && "\033" === $value[0]) {
Chris@17:                 $value = substr($value, \strlen($startCchr));
Chris@0:             } else {
Chris@0:                 $value = "\033[{$style}m".$value;
Chris@0:             }
Chris@17:             if ($cchrCount && $endCchr === substr($value, -\strlen($endCchr))) {
Chris@17:                 $value = substr($value, 0, -\strlen($endCchr));
Chris@0:             } else {
Chris@0:                 $value .= "\033[{$this->styles['default']}m";
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $value;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @return bool Tells if the current output stream supports ANSI colors or not
Chris@0:      */
Chris@0:     protected function supportsColors()
Chris@0:     {
Chris@0:         if ($this->outputStream !== static::$defaultOutput) {
Chris@16:             return $this->hasColorSupport($this->outputStream);
Chris@0:         }
Chris@0:         if (null !== static::$defaultColors) {
Chris@0:             return static::$defaultColors;
Chris@0:         }
Chris@0:         if (isset($_SERVER['argv'][1])) {
Chris@0:             $colors = $_SERVER['argv'];
Chris@17:             $i = \count($colors);
Chris@0:             while (--$i > 0) {
Chris@0:                 if (isset($colors[$i][5])) {
Chris@0:                     switch ($colors[$i]) {
Chris@0:                         case '--ansi':
Chris@0:                         case '--color':
Chris@0:                         case '--color=yes':
Chris@0:                         case '--color=force':
Chris@0:                         case '--color=always':
Chris@0:                             return static::$defaultColors = true;
Chris@0: 
Chris@0:                         case '--no-ansi':
Chris@0:                         case '--color=no':
Chris@0:                         case '--color=none':
Chris@0:                         case '--color=never':
Chris@0:                             return static::$defaultColors = false;
Chris@0:                     }
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@17:         $h = stream_get_meta_data($this->outputStream) + ['wrapper_type' => null];
Chris@16:         $h = 'Output' === $h['stream_type'] && 'PHP' === $h['wrapper_type'] ? fopen('php://stdout', 'wb') : $this->outputStream;
Chris@0: 
Chris@16:         return static::$defaultColors = $this->hasColorSupport($h);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function dumpLine($depth, $endOfValue = false)
Chris@0:     {
Chris@0:         if ($this->colors) {
Chris@0:             $this->line = sprintf("\033[%sm%s\033[m", $this->styles['default'], $this->line);
Chris@0:         }
Chris@0:         parent::dumpLine($depth);
Chris@0:     }
Chris@0: 
Chris@0:     protected function endValue(Cursor $cursor)
Chris@0:     {
Chris@0:         if (Stub::ARRAY_INDEXED === $cursor->hashType || Stub::ARRAY_ASSOC === $cursor->hashType) {
Chris@0:             if (self::DUMP_TRAILING_COMMA & $this->flags && 0 < $cursor->depth) {
Chris@0:                 $this->line .= ',';
Chris@0:             } elseif (self::DUMP_COMMA_SEPARATOR & $this->flags && 1 < $cursor->hashLength - $cursor->hashIndex) {
Chris@0:                 $this->line .= ',';
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $this->dumpLine($cursor->depth, true);
Chris@0:     }
Chris@16: 
Chris@16:     /**
Chris@16:      * Returns true if the stream supports colorization.
Chris@16:      *
Chris@16:      * Reference: Composer\XdebugHandler\Process::supportsColor
Chris@16:      * https://github.com/composer/xdebug-handler
Chris@16:      *
Chris@16:      * @param mixed $stream A CLI output stream
Chris@16:      *
Chris@16:      * @return bool
Chris@16:      */
Chris@16:     private function hasColorSupport($stream)
Chris@16:     {
Chris@17:         if (!\is_resource($stream) || 'stream' !== get_resource_type($stream)) {
Chris@16:             return false;
Chris@16:         }
Chris@16: 
Chris@17:         if ('Hyper' === getenv('TERM_PROGRAM')) {
Chris@17:             return true;
Chris@17:         }
Chris@17: 
Chris@17:         if (\DIRECTORY_SEPARATOR === '\\') {
Chris@17:             return (\function_exists('sapi_windows_vt100_support')
Chris@16:                 && @sapi_windows_vt100_support($stream))
Chris@16:                 || false !== getenv('ANSICON')
Chris@16:                 || 'ON' === getenv('ConEmuANSI')
Chris@16:                 || 'xterm' === getenv('TERM');
Chris@16:         }
Chris@16: 
Chris@17:         if (\function_exists('stream_isatty')) {
Chris@16:             return @stream_isatty($stream);
Chris@16:         }
Chris@16: 
Chris@17:         if (\function_exists('posix_isatty')) {
Chris@16:             return @posix_isatty($stream);
Chris@16:         }
Chris@16: 
Chris@16:         $stat = @fstat($stream);
Chris@16:         // Check if formatted mode is S_IFCHR
Chris@16:         return $stat ? 0020000 === ($stat['mode'] & 0170000) : false;
Chris@16:     }
Chris@16: 
Chris@16:     /**
Chris@16:      * Returns true if the Windows terminal supports true color.
Chris@16:      *
Chris@16:      * Note that this does not check an output stream, but relies on environment
Chris@16:      * variables from known implementations, or a PHP and Windows version that
Chris@16:      * supports true color.
Chris@16:      *
Chris@16:      * @return bool
Chris@16:      */
Chris@16:     private function isWindowsTrueColor()
Chris@16:     {
Chris@16:         $result = 183 <= getenv('ANSICON_VER')
Chris@16:             || 'ON' === getenv('ConEmuANSI')
Chris@17:             || 'xterm' === getenv('TERM')
Chris@17:             || 'Hyper' === getenv('TERM_PROGRAM');
Chris@16: 
Chris@17:         if (!$result && \PHP_VERSION_ID >= 70200) {
Chris@16:             $version = sprintf(
Chris@16:                 '%s.%s.%s',
Chris@16:                 PHP_WINDOWS_VERSION_MAJOR,
Chris@16:                 PHP_WINDOWS_VERSION_MINOR,
Chris@16:                 PHP_WINDOWS_VERSION_BUILD
Chris@16:             );
Chris@16:             $result = $version >= '10.0.15063';
Chris@16:         }
Chris@16: 
Chris@16:         return $result;
Chris@16:     }
Chris@0: }