diff --git a/src/Symfony/Bridge/PhpUnit/CHANGELOG.md b/src/Symfony/Bridge/PhpUnit/CHANGELOG.md
index 6dfb94975496..68e81b7ab48e 100644
--- a/src/Symfony/Bridge/PhpUnit/CHANGELOG.md
+++ b/src/Symfony/Bridge/PhpUnit/CHANGELOG.md
@@ -6,6 +6,7 @@ CHANGELOG
 
  * added `ClassExistsMock`
  * bumped PHP version from 5.3.3 to 5.5.9 
+ * split simple-phpunit bin into php file with code and a shel script
 
 4.1.0
 -----
diff --git a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit
index e2010c8694a9..53305e5ee8d2 100755
--- a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit
+++ b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit
@@ -10,253 +10,4 @@
  * file that was distributed with this source code.
  */
 
-// Please update when phpunit needs to be reinstalled with fresh deps:
-// Cache-Id-Version: 2018-11-20 15:30 UTC
-
-error_reporting(-1);
-
-$getEnvVar = function ($name, $default = false) {
-    if (false !== $value = getenv($name)) {
-        return $value;
-    }
-
-    static $phpunitConfig = null;
-    if (null === $phpunitConfig) {
-        $phpunitConfigFilename = null;
-        if (file_exists('phpunit.xml')) {
-            $phpunitConfigFilename = 'phpunit.xml';
-        } elseif (file_exists('phpunit.xml.dist')) {
-            $phpunitConfigFilename = 'phpunit.xml.dist';
-        }
-        if ($phpunitConfigFilename) {
-            $phpunitConfig = new DomDocument();
-            $phpunitConfig->load($phpunitConfigFilename);
-        } else {
-            $phpunitConfig = false;
-        }
-    }
-    if (false !== $phpunitConfig) {
-        $var = new DOMXpath($phpunitConfig);
-        foreach ($var->query('//php/server[@name="'.$name.'"]') as $var) {
-            return $var->getAttribute('value');
-        }
-        foreach ($var->query('//php/env[@name="'.$name.'"]') as $var) {
-            return $var->getAttribute('value');
-        }
-    }
-
-    return $default;
-};
-
-if (PHP_VERSION_ID >= 70100) {
-    // PHPUnit 7 requires PHP 7.1+
-    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '7.4');
-} elseif (PHP_VERSION_ID >= 70000) {
-    // PHPUnit 6 requires PHP 7.0+
-    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '6.5');
-} elseif (PHP_VERSION_ID >= 50600) {
-    // PHPUnit 5 requires PHP 5.6+
-    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '5.7');
-} else {
-    $PHPUNIT_VERSION = '4.8';
-}
-
-$COMPOSER_JSON = getenv('COMPOSER') ?: 'composer.json';
-
-$root = __DIR__;
-while (!file_exists($root.'/'.$COMPOSER_JSON) || file_exists($root.'/DeprecationErrorHandler.php')) {
-    if ($root === dirname($root)) {
-        break;
-    }
-    $root = dirname($root);
-}
-
-$oldPwd = getcwd();
-$PHPUNIT_DIR = $getEnvVar('SYMFONY_PHPUNIT_DIR', $root.'/vendor/bin/.phpunit');
-$PHP = defined('PHP_BINARY') ? PHP_BINARY : 'php';
-$PHP = escapeshellarg($PHP);
-if ('phpdbg' === PHP_SAPI) {
-    $PHP .= ' -qrr';
-}
-
-$defaultEnvs = array(
-    'COMPOSER' => 'composer.json',
-    'COMPOSER_VENDOR_DIR' => 'vendor',
-    'COMPOSER_BIN_DIR' => 'bin',
-);
-
-foreach ($defaultEnvs as $envName => $envValue) {
-    if ($envValue !== getenv($envName)) {
-        putenv("$envName=$envValue");
-        $_SERVER[$envName] = $_ENV[$envName] = $envValue;
-    }
-}
-
-$COMPOSER = file_exists($COMPOSER = $oldPwd.'/composer.phar') || ($COMPOSER = rtrim('\\' === DIRECTORY_SEPARATOR ? preg_replace('/[\r\n].*/', '', `where.exe composer.phar`) : `which composer.phar 2> /dev/null`))
-    ? $PHP.' '.escapeshellarg($COMPOSER)
-    : 'composer';
-
-
-$SYMFONY_PHPUNIT_REMOVE = $getEnvVar('SYMFONY_PHPUNIT_REMOVE', 'phpspec/prophecy'.($PHPUNIT_VERSION < 6.0 ? ' symfony/yaml': ''));
-
-if (!file_exists("$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit") || md5_file(__FILE__)."\n".$SYMFONY_PHPUNIT_REMOVE !== @file_get_contents("$PHPUNIT_DIR/.$PHPUNIT_VERSION.md5")) {
-    // Build a standalone phpunit without symfony/yaml nor prophecy by default
-
-    @mkdir($PHPUNIT_DIR, 0777, true);
-    chdir($PHPUNIT_DIR);
-    if (file_exists("phpunit-$PHPUNIT_VERSION")) {
-        passthru(sprintf('\\' === DIRECTORY_SEPARATOR ? 'rmdir /S /Q %s > NUL': 'rm -rf %s', "phpunit-$PHPUNIT_VERSION.old"));
-        rename("phpunit-$PHPUNIT_VERSION", "phpunit-$PHPUNIT_VERSION.old");
-        passthru(sprintf('\\' === DIRECTORY_SEPARATOR ? 'rmdir /S /Q %s': 'rm -rf %s', "phpunit-$PHPUNIT_VERSION.old"));
-    }
-    passthru("$COMPOSER create-project --no-install --prefer-dist --no-scripts --no-plugins --no-progress --ansi phpunit/phpunit phpunit-$PHPUNIT_VERSION \"$PHPUNIT_VERSION.*\"");
-    chdir("phpunit-$PHPUNIT_VERSION");
-    if ($SYMFONY_PHPUNIT_REMOVE) {
-        passthru("$COMPOSER remove --no-update ".$SYMFONY_PHPUNIT_REMOVE);
-    }
-    if (5.1 <= $PHPUNIT_VERSION && $PHPUNIT_VERSION < 5.4) {
-        passthru("$COMPOSER require --no-update phpunit/phpunit-mock-objects \"~3.1.0\"");
-    }
-    if (file_exists($path = $root.'/vendor/symfony/phpunit-bridge')) {
-        passthru("$COMPOSER require --no-update symfony/phpunit-bridge \"*@dev\"");
-        passthru("$COMPOSER config repositories.phpunit-bridge path ".escapeshellarg(str_replace('/', DIRECTORY_SEPARATOR, $path)));
-        if ('\\' === DIRECTORY_SEPARATOR) {
-            file_put_contents('composer.json', preg_replace('/^( {8})"phpunit-bridge": \{$/m', "$0\n$1    ".'"options": {"symlink": false},', file_get_contents('composer.json')));
-        }
-    } else {
-        passthru("$COMPOSER require --no-update symfony/phpunit-bridge \"*\"");
-    }
-    $prevRoot = getenv('COMPOSER_ROOT_VERSION');
-    putenv("COMPOSER_ROOT_VERSION=$PHPUNIT_VERSION.99");
-    // --no-suggest is not in the list to keep compat with composer 1.0, which is shipped with Ubuntu 16.04LTS
-    $exit = proc_close(proc_open("$COMPOSER install --no-dev --prefer-dist --no-progress --ansi", array(), $p, getcwd(), null, array('bypass_shell' => true)));
-    putenv('COMPOSER_ROOT_VERSION'.(false !== $prevRoot ? '='.$prevRoot : ''));
-    if ($exit) {
-        exit($exit);
-    }
-    file_put_contents('phpunit', <<<'EOPHP'
-<?php
-
-define('PHPUNIT_COMPOSER_INSTALL', __DIR__.'/vendor/autoload.php');
-require PHPUNIT_COMPOSER_INSTALL;
-
-if (!class_exists('SymfonyBlacklistPhpunit', false)) {
-    class SymfonyBlacklistPhpunit {}
-}
-if (class_exists('PHPUnit_Util_Blacklist')) {
-    PHPUnit_Util_Blacklist::$blacklistedClassNames['SymfonyBlacklistPhpunit'] = 1;
-    PHPUnit_Util_Blacklist::$blacklistedClassNames['SymfonyBlacklistSimplePhpunit'] = 1;
-} else {
-    PHPUnit\Util\Blacklist::$blacklistedClassNames['SymfonyBlacklistPhpunit'] = 1;
-    PHPUnit\Util\Blacklist::$blacklistedClassNames['SymfonyBlacklistSimplePhpunit'] = 1;
-}
-
-Symfony\Bridge\PhpUnit\TextUI\Command::main();
-
-EOPHP
-    );
-    chdir('..');
-    file_put_contents(".$PHPUNIT_VERSION.md5", md5_file(__FILE__)."\n".$SYMFONY_PHPUNIT_REMOVE);
-    chdir($oldPwd);
-
-}
-
-global $argv, $argc;
-$argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();
-$argc = isset($_SERVER['argc']) ? $_SERVER['argc'] : 0;
-$components = array();
-$cmd = array_map('escapeshellarg', $argv);
-$exit = 0;
-
-if (isset($argv[1]) && 'symfony' === $argv[1] && !file_exists('symfony') && file_exists('src/Symfony')) {
-    $argv[1] = 'src/Symfony';
-}
-if (isset($argv[1]) && is_dir($argv[1]) && !file_exists($argv[1].'/phpunit.xml.dist')) {
-    // Find Symfony components in plain PHP for Windows portability
-
-    $finder = new RecursiveDirectoryIterator($argv[1], FilesystemIterator::KEY_AS_FILENAME | FilesystemIterator::UNIX_PATHS);
-    $finder = new RecursiveIteratorIterator($finder);
-    $finder->setMaxDepth(getenv('SYMFONY_PHPUNIT_MAX_DEPTH') ?: 3);
-
-    foreach ($finder as $file => $fileInfo) {
-        if ('phpunit.xml.dist' === $file) {
-            $components[] = dirname($fileInfo->getPathname());
-        }
-    }
-    if ($components) {
-        array_shift($cmd);
-    }
-}
-
-$cmd[0] = sprintf('%s %s --colors=always', $PHP, escapeshellarg("$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit"));
-$cmd = str_replace('%', '%%', implode(' ', $cmd)).' %1$s';
-
-if ('\\' === DIRECTORY_SEPARATOR) {
-    $cmd = 'cmd /v:on /d /c "('.$cmd.')%2$s"';
-} else {
-    $cmd .= '%2$s';
-}
-
-if ($components) {
-    $skippedTests = isset($_SERVER['SYMFONY_PHPUNIT_SKIPPED_TESTS']) ? $_SERVER['SYMFONY_PHPUNIT_SKIPPED_TESTS'] : false;
-    $runningProcs = array();
-
-    foreach ($components as $component) {
-        // Run phpunit tests in parallel
-
-        if ($skippedTests) {
-            putenv("SYMFONY_PHPUNIT_SKIPPED_TESTS=$component/$skippedTests");
-        }
-
-        $c = escapeshellarg($component);
-
-        if ($proc = proc_open(sprintf($cmd, $c, " > $c/phpunit.stdout 2> $c/phpunit.stderr"), array(), $pipes)) {
-            $runningProcs[$component] = $proc;
-        } else {
-            $exit = 1;
-            echo "\033[41mKO\033[0m $component\n\n";
-        }
-    }
-
-    while ($runningProcs) {
-        usleep(300000);
-        $terminatedProcs = array();
-        foreach ($runningProcs as $component => $proc) {
-            $procStatus = proc_get_status($proc);
-            if (!$procStatus['running']) {
-                $terminatedProcs[$component] = $procStatus['exitcode'];
-                unset($runningProcs[$component]);
-                proc_close($proc);
-            }
-        }
-
-        foreach ($terminatedProcs as $component => $procStatus) {
-            foreach (array('out', 'err') as $file) {
-                $file = "$component/phpunit.std$file";
-                readfile($file);
-                unlink($file);
-            }
-
-            // Fail on any individual component failures but ignore some error codes on Windows when APCu is enabled:
-            // STATUS_STACK_BUFFER_OVERRUN (-1073740791/0xC0000409)
-            // STATUS_ACCESS_VIOLATION (-1073741819/0xC0000005)
-            // STATUS_HEAP_CORRUPTION (-1073740940/0xC0000374)
-            if ($procStatus && ('\\' !== DIRECTORY_SEPARATOR || !extension_loaded('apcu') || !filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN) || !in_array($procStatus, array(-1073740791, -1073741819, -1073740940)))) {
-                $exit = $procStatus;
-                echo "\033[41mKO\033[0m $component\n\n";
-            } else {
-                echo "\033[32mOK\033[0m $component\n\n";
-            }
-        }
-    }
-} elseif (!isset($argv[1]) || 'install' !== $argv[1] || file_exists('install')) {
-    if (!class_exists('SymfonyBlacklistSimplePhpunit', false)) {
-        class SymfonyBlacklistSimplePhpunit {}
-    }
-    array_splice($argv, 1, 0, array('--colors=always'));
-    $_SERVER['argv'] = $argv;
-    $_SERVER['argc'] = ++$argc;
-    include "$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit";
-}
-
-exit($exit);
+require __DIR__.DIRECTORY_SEPARATOR.'simple-phpunit.php';
diff --git a/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
new file mode 100644
index 000000000000..da9e11c9853c
--- /dev/null
+++ b/src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
@@ -0,0 +1,261 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+// Please update when phpunit needs to be reinstalled with fresh deps:
+// Cache-Id-Version: 2018-11-20 15:30 UTC
+
+error_reporting(-1);
+
+$getEnvVar = function ($name, $default = false) {
+    if (false !== $value = getenv($name)) {
+        return $value;
+    }
+
+    static $phpunitConfig = null;
+    if (null === $phpunitConfig) {
+        $phpunitConfigFilename = null;
+        if (file_exists('phpunit.xml')) {
+            $phpunitConfigFilename = 'phpunit.xml';
+        } elseif (file_exists('phpunit.xml.dist')) {
+            $phpunitConfigFilename = 'phpunit.xml.dist';
+        }
+        if ($phpunitConfigFilename) {
+            $phpunitConfig = new DomDocument();
+            $phpunitConfig->load($phpunitConfigFilename);
+        } else {
+            $phpunitConfig = false;
+        }
+    }
+    if (false !== $phpunitConfig) {
+        $var = new DOMXpath($phpunitConfig);
+        foreach ($var->query('//php/server[@name="'.$name.'"]') as $var) {
+            return $var->getAttribute('value');
+        }
+        foreach ($var->query('//php/env[@name="'.$name.'"]') as $var) {
+            return $var->getAttribute('value');
+        }
+    }
+
+    return $default;
+};
+
+if (PHP_VERSION_ID >= 70100) {
+    // PHPUnit 7 requires PHP 7.1+
+    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '7.4');
+} elseif (PHP_VERSION_ID >= 70000) {
+    // PHPUnit 6 requires PHP 7.0+
+    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '6.5');
+} elseif (PHP_VERSION_ID >= 50600) {
+    // PHPUnit 5 requires PHP 5.6+
+    $PHPUNIT_VERSION = $getEnvVar('SYMFONY_PHPUNIT_VERSION', '5.7');
+} else {
+    $PHPUNIT_VERSION = '4.8';
+}
+
+$COMPOSER_JSON = getenv('COMPOSER') ?: 'composer.json';
+
+$root = __DIR__;
+while (!file_exists($root.'/'.$COMPOSER_JSON) || file_exists($root.'/DeprecationErrorHandler.php')) {
+    if ($root === dirname($root)) {
+        break;
+    }
+    $root = dirname($root);
+}
+
+$oldPwd = getcwd();
+$PHPUNIT_DIR = $getEnvVar('SYMFONY_PHPUNIT_DIR', $root.'/vendor/bin/.phpunit');
+$PHP = defined('PHP_BINARY') ? PHP_BINARY : 'php';
+$PHP = escapeshellarg($PHP);
+if ('phpdbg' === PHP_SAPI) {
+    $PHP .= ' -qrr';
+}
+
+$defaultEnvs = array(
+    'COMPOSER' => 'composer.json',
+    'COMPOSER_VENDOR_DIR' => 'vendor',
+    'COMPOSER_BIN_DIR' => 'bin',
+);
+
+foreach ($defaultEnvs as $envName => $envValue) {
+    if ($envValue !== getenv($envName)) {
+        putenv("$envName=$envValue");
+        $_SERVER[$envName] = $_ENV[$envName] = $envValue;
+    }
+}
+
+$COMPOSER = file_exists($COMPOSER = $oldPwd.'/composer.phar') || ($COMPOSER = rtrim('\\' === DIRECTORY_SEPARATOR ? preg_replace('/[\r\n].*/', '', `where.exe composer.phar`) : `which composer.phar 2> /dev/null`))
+    ? $PHP.' '.escapeshellarg($COMPOSER)
+    : 'composer';
+
+
+$SYMFONY_PHPUNIT_REMOVE = $getEnvVar('SYMFONY_PHPUNIT_REMOVE', 'phpspec/prophecy'.($PHPUNIT_VERSION < 6.0 ? ' symfony/yaml': ''));
+
+if (!file_exists("$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit") || md5_file(__FILE__)."\n".$SYMFONY_PHPUNIT_REMOVE !== @file_get_contents("$PHPUNIT_DIR/.$PHPUNIT_VERSION.md5")) {
+    // Build a standalone phpunit without symfony/yaml nor prophecy by default
+
+    @mkdir($PHPUNIT_DIR, 0777, true);
+    chdir($PHPUNIT_DIR);
+    if (file_exists("phpunit-$PHPUNIT_VERSION")) {
+        passthru(sprintf('\\' === DIRECTORY_SEPARATOR ? 'rmdir /S /Q %s > NUL': 'rm -rf %s', "phpunit-$PHPUNIT_VERSION.old"));
+        rename("phpunit-$PHPUNIT_VERSION", "phpunit-$PHPUNIT_VERSION.old");
+        passthru(sprintf('\\' === DIRECTORY_SEPARATOR ? 'rmdir /S /Q %s': 'rm -rf %s', "phpunit-$PHPUNIT_VERSION.old"));
+    }
+    passthru("$COMPOSER create-project --no-install --prefer-dist --no-scripts --no-plugins --no-progress --ansi phpunit/phpunit phpunit-$PHPUNIT_VERSION \"$PHPUNIT_VERSION.*\"");
+    chdir("phpunit-$PHPUNIT_VERSION");
+    if ($SYMFONY_PHPUNIT_REMOVE) {
+        passthru("$COMPOSER remove --no-update ".$SYMFONY_PHPUNIT_REMOVE);
+    }
+    if (5.1 <= $PHPUNIT_VERSION && $PHPUNIT_VERSION < 5.4) {
+        passthru("$COMPOSER require --no-update phpunit/phpunit-mock-objects \"~3.1.0\"");
+    }
+    if (file_exists($path = $root.'/vendor/symfony/phpunit-bridge')) {
+        passthru("$COMPOSER require --no-update symfony/phpunit-bridge \"*@dev\"");
+        passthru("$COMPOSER config repositories.phpunit-bridge path ".escapeshellarg(str_replace('/', DIRECTORY_SEPARATOR, $path)));
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            file_put_contents('composer.json', preg_replace('/^( {8})"phpunit-bridge": \{$/m', "$0\n$1    ".'"options": {"symlink": false},', file_get_contents('composer.json')));
+        }
+    } else {
+        passthru("$COMPOSER require --no-update symfony/phpunit-bridge \"*\"");
+    }
+    $prevRoot = getenv('COMPOSER_ROOT_VERSION');
+    putenv("COMPOSER_ROOT_VERSION=$PHPUNIT_VERSION.99");
+    // --no-suggest is not in the list to keep compat with composer 1.0, which is shipped with Ubuntu 16.04LTS
+    $exit = proc_close(proc_open("$COMPOSER install --no-dev --prefer-dist --no-progress --ansi", array(), $p, getcwd(), null, array('bypass_shell' => true)));
+    putenv('COMPOSER_ROOT_VERSION'.(false !== $prevRoot ? '='.$prevRoot : ''));
+    if ($exit) {
+        exit($exit);
+    }
+    file_put_contents('phpunit', <<<'EOPHP'
+<?php
+
+define('PHPUNIT_COMPOSER_INSTALL', __DIR__.'/vendor/autoload.php');
+require PHPUNIT_COMPOSER_INSTALL;
+
+if (!class_exists('SymfonyBlacklistPhpunit', false)) {
+    class SymfonyBlacklistPhpunit {}
+}
+if (class_exists('PHPUnit_Util_Blacklist')) {
+    PHPUnit_Util_Blacklist::$blacklistedClassNames['SymfonyBlacklistPhpunit'] = 1;
+    PHPUnit_Util_Blacklist::$blacklistedClassNames['SymfonyBlacklistSimplePhpunit'] = 1;
+} else {
+    PHPUnit\Util\Blacklist::$blacklistedClassNames['SymfonyBlacklistPhpunit'] = 1;
+    PHPUnit\Util\Blacklist::$blacklistedClassNames['SymfonyBlacklistSimplePhpunit'] = 1;
+}
+
+Symfony\Bridge\PhpUnit\TextUI\Command::main();
+
+EOPHP
+    );
+    chdir('..');
+    file_put_contents(".$PHPUNIT_VERSION.md5", md5_file(__FILE__)."\n".$SYMFONY_PHPUNIT_REMOVE);
+    chdir($oldPwd);
+
+}
+
+global $argv, $argc;
+$argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();
+$argc = isset($_SERVER['argc']) ? $_SERVER['argc'] : 0;
+$components = array();
+$cmd = array_map('escapeshellarg', $argv);
+$exit = 0;
+
+if (isset($argv[1]) && 'symfony' === $argv[1] && !file_exists('symfony') && file_exists('src/Symfony')) {
+    $argv[1] = 'src/Symfony';
+}
+if (isset($argv[1]) && is_dir($argv[1]) && !file_exists($argv[1].'/phpunit.xml.dist')) {
+    // Find Symfony components in plain PHP for Windows portability
+
+    $finder = new RecursiveDirectoryIterator($argv[1], FilesystemIterator::KEY_AS_FILENAME | FilesystemIterator::UNIX_PATHS);
+    $finder = new RecursiveIteratorIterator($finder);
+    $finder->setMaxDepth(getenv('SYMFONY_PHPUNIT_MAX_DEPTH') ?: 3);
+
+    foreach ($finder as $file => $fileInfo) {
+        if ('phpunit.xml.dist' === $file) {
+            $components[] = dirname($fileInfo->getPathname());
+        }
+    }
+    if ($components) {
+        array_shift($cmd);
+    }
+}
+
+$cmd[0] = sprintf('%s %s --colors=always', $PHP, escapeshellarg("$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit"));
+$cmd = str_replace('%', '%%', implode(' ', $cmd)).' %1$s';
+
+if ('\\' === DIRECTORY_SEPARATOR) {
+    $cmd = 'cmd /v:on /d /c "('.$cmd.')%2$s"';
+} else {
+    $cmd .= '%2$s';
+}
+
+if ($components) {
+    $skippedTests = isset($_SERVER['SYMFONY_PHPUNIT_SKIPPED_TESTS']) ? $_SERVER['SYMFONY_PHPUNIT_SKIPPED_TESTS'] : false;
+    $runningProcs = array();
+
+    foreach ($components as $component) {
+        // Run phpunit tests in parallel
+
+        if ($skippedTests) {
+            putenv("SYMFONY_PHPUNIT_SKIPPED_TESTS=$component/$skippedTests");
+        }
+
+        $c = escapeshellarg($component);
+
+        if ($proc = proc_open(sprintf($cmd, $c, " > $c/phpunit.stdout 2> $c/phpunit.stderr"), array(), $pipes)) {
+            $runningProcs[$component] = $proc;
+        } else {
+            $exit = 1;
+            echo "\033[41mKO\033[0m $component\n\n";
+        }
+    }
+
+    while ($runningProcs) {
+        usleep(300000);
+        $terminatedProcs = array();
+        foreach ($runningProcs as $component => $proc) {
+            $procStatus = proc_get_status($proc);
+            if (!$procStatus['running']) {
+                $terminatedProcs[$component] = $procStatus['exitcode'];
+                unset($runningProcs[$component]);
+                proc_close($proc);
+            }
+        }
+
+        foreach ($terminatedProcs as $component => $procStatus) {
+            foreach (array('out', 'err') as $file) {
+                $file = "$component/phpunit.std$file";
+                readfile($file);
+                unlink($file);
+            }
+
+            // Fail on any individual component failures but ignore some error codes on Windows when APCu is enabled:
+            // STATUS_STACK_BUFFER_OVERRUN (-1073740791/0xC0000409)
+            // STATUS_ACCESS_VIOLATION (-1073741819/0xC0000005)
+            // STATUS_HEAP_CORRUPTION (-1073740940/0xC0000374)
+            if ($procStatus && ('\\' !== DIRECTORY_SEPARATOR || !extension_loaded('apcu') || !filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN) || !in_array($procStatus, array(-1073740791, -1073741819, -1073740940)))) {
+                $exit = $procStatus;
+                echo "\033[41mKO\033[0m $component\n\n";
+            } else {
+                echo "\033[32mOK\033[0m $component\n\n";
+            }
+        }
+    }
+} elseif (!isset($argv[1]) || 'install' !== $argv[1] || file_exists('install')) {
+    if (!class_exists('SymfonyBlacklistSimplePhpunit', false)) {
+        class SymfonyBlacklistSimplePhpunit {}
+    }
+    array_splice($argv, 1, 0, array('--colors=always'));
+    $_SERVER['argv'] = $argv;
+    $_SERVER['argc'] = ++$argc;
+    include "$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit";
+}
+
+exit($exit);