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- <?php
- namespace Symfony\Component\Finder\Shell;
- @trigger_error('The '.__NAMESPACE__.'\Shell class is deprecated since Symfony 2.8 and will be removed in 3.0.', E_USER_DEPRECATED);
- class Shell
- {
- const TYPE_UNIX = 1;
- const TYPE_DARWIN = 2;
- const TYPE_CYGWIN = 3;
- const TYPE_WINDOWS = 4;
- const TYPE_BSD = 5;
-
- private $type;
-
- public function getType()
- {
- if (null === $this->type) {
- $this->type = $this->guessType();
- }
- return $this->type;
- }
-
- public function testCommand($command)
- {
- if (!\function_exists('exec')) {
- return false;
- }
-
- $testCommand = 'which ';
- if (self::TYPE_WINDOWS === $this->type) {
- $testCommand = 'where ';
- }
- $command = escapeshellcmd($command);
- exec($testCommand.$command, $output, $code);
- return 0 === $code && \count($output) > 0;
- }
-
- private function guessType()
- {
- $os = strtolower(PHP_OS);
- if (false !== strpos($os, 'cygwin')) {
- return self::TYPE_CYGWIN;
- }
- if (false !== strpos($os, 'darwin')) {
- return self::TYPE_DARWIN;
- }
- if (false !== strpos($os, 'bsd')) {
- return self::TYPE_BSD;
- }
- if (0 === strpos($os, 'win')) {
- return self::TYPE_WINDOWS;
- }
- return self::TYPE_UNIX;
- }
- }
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