@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-@trigger_error('The '.__NAMESPACE__.'\ApcClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\ApcClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', \E_USER_DEPRECATED);
 
 /**
 * ApcClassLoader implements a wrapping autoloader cached in APC for PHP 5.3.

@@ -12,7 +12,7 @@
 namespace Symfony\Component\ClassLoader;
 
 if (\PHP_VERSION_ID >= 70000) {
-@trigger_error('The '.__NAMESPACE__.'\ClassCollectionLoader class is deprecated since Symfony 3.3 and will be removed in 4.0.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\ClassCollectionLoader class is deprecated since Symfony 3.3 and will be removed in 4.0.', \E_USER_DEPRECATED);
 }
 
 /**
@@ -216,7 +216,7 @@ public static function fixNamespaceDeclarations($source)
 $inNamespace = false;
 $tokens = token_get_all($source);
 
-$nsTokens = [T_WHITESPACE => true, T_NS_SEPARATOR => true, T_STRING => true];
+$nsTokens = [\T_WHITESPACE => true, \T_NS_SEPARATOR => true, \T_STRING => true];
 if (\defined('T_NAME_QUALIFIED')) {
 $nsTokens[T_NAME_QUALIFIED] = true;
 }
@@ -225,10 +225,10 @@ public static function fixNamespaceDeclarations($source)
 $token = $tokens[$i];
 if (!isset($token[1]) || 'b"' === $token) {
 $rawChunk .= $token;
-} elseif (\in_array($token[0], [T_COMMENT, T_DOC_COMMENT])) {
+} elseif (\in_array($token[0], [\T_COMMENT, \T_DOC_COMMENT])) {
 // strip comments
 continue;
-} elseif (T_NAMESPACE === $token[0]) {
+} elseif (\T_NAMESPACE === $token[0]) {
 if ($inNamespace) {
 $rawChunk .= "}\n";
 }
@@ -245,15 +245,15 @@ public static function fixNamespaceDeclarations($source)
 $rawChunk = rtrim($rawChunk)."\n{";
 $inNamespace = true;
 }
-} elseif (T_START_HEREDOC === $token[0]) {
+} elseif (\T_START_HEREDOC === $token[0]) {
 $output .= self::compressCode($rawChunk).$token[1];
 do {
 $token = $tokens[++$i];
 $output .= isset($token[1]) && 'b"' !== $token ? $token[1] : $token;
-} while (T_END_HEREDOC !== $token[0]);
+} while (\T_END_HEREDOC !== $token[0]);
 $output .= "\n";
 $rawChunk = '';
-} elseif (T_CONSTANT_ENCAPSED_STRING === $token[0]) {
+} elseif (\T_CONSTANT_ENCAPSED_STRING === $token[0]) {
 $output .= self::compressCode($rawChunk).$token[1];
 $rawChunk = '';
 } else {

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-@trigger_error('The '.__NAMESPACE__.'\ClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\ClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', \E_USER_DEPRECATED);
 
 /**
 * ClassLoader implements an PSR-0 class loader.

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-@trigger_error('The '.__NAMESPACE__.'\ClassMapGenerator class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\ClassMapGenerator class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', \E_USER_DEPRECATED);
 
 /**
 * ClassMapGenerator.
@@ -62,7 +62,7 @@ public static function createMap($dir)
 
 $path = $file->getRealPath() ?: $file->getPathname();
 
-if ('php' !== pathinfo($path, PATHINFO_EXTENSION)) {
+if ('php' !== pathinfo($path, \PATHINFO_EXTENSION)) {
 continue;
 }
 
@@ -93,7 +93,7 @@ private static function findClasses($path)
 $contents = file_get_contents($path);
 $tokens = token_get_all($contents);
 
-$nsTokens = [T_STRING => true, T_NS_SEPARATOR => true];
+$nsTokens = [\T_STRING => true, \T_NS_SEPARATOR => true];
 if (\defined('T_NAME_QUALIFIED')) {
 $nsTokens[T_NAME_QUALIFIED] = true;
 }
@@ -111,7 +111,7 @@ private static function findClasses($path)
 $class = '';
 
 switch ($token[0]) {
-case T_NAMESPACE:
+case \T_NAMESPACE:
 $namespace = '';
 // If there is a namespace, extract it
 while (isset($tokens[++$i][1])) {
@@ -121,20 +121,20 @@ private static function findClasses($path)
 }
 $namespace .= '\\';
 break;
-case T_CLASS:
-case T_INTERFACE:
-case T_TRAIT:
+case \T_CLASS:
+case \T_INTERFACE:
+case \T_TRAIT:
 // Skip usage of ::class constant
 $isClassConstant = false;
 for ($j = $i - 1; $j > 0; --$j) {
 if (!isset($tokens[$j][1])) {
 break;
 }
 
-if (T_DOUBLE_COLON === $tokens[$j][0]) {
+if (\T_DOUBLE_COLON === $tokens[$j][0]) {
 $isClassConstant = true;
 break;
-} elseif (!\in_array($tokens[$j][0], [T_WHITESPACE, T_DOC_COMMENT, T_COMMENT])) {
+} elseif (!\in_array($tokens[$j][0], [\T_WHITESPACE, \T_DOC_COMMENT, \T_COMMENT])) {
 break;
 }
 }
@@ -146,9 +146,9 @@ private static function findClasses($path)
 // Find the classname
 while (isset($tokens[++$i][1])) {
 $t = $tokens[$i];
-if (T_STRING === $t[0]) {
+if (\T_STRING === $t[0]) {
 $class .= $t[1];
-} elseif ('' !== $class && T_WHITESPACE === $t[0]) {
+} elseif ('' !== $class && \T_WHITESPACE === $t[0]) {
 break;
 }
 }

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-@trigger_error('The '.__NAMESPACE__.'\MapClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\MapClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', \E_USER_DEPRECATED);
 
 /**
 * A class loader that uses a mapping file to look up paths.

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-@trigger_error('The '.__NAMESPACE__.'\Psr4ClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\Psr4ClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use Composer instead.', \E_USER_DEPRECATED);
 
 /**
 * A PSR-4 compatible class loader.

@@ -22,7 +22,7 @@ class ApcClassLoaderTest extends TestCase
 {
 protected function setUp()
 {
-if (!(filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) && filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN))) {
+if (!(filter_var(ini_get('apc.enabled'), \FILTER_VALIDATE_BOOLEAN) && filter_var(ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOLEAN))) {
 $this->markTestSkipped('The apc extension is not enabled.');
 } else {
 apcu_clear_cache();
@@ -31,7 +31,7 @@ protected function setUp()
 
 protected function tearDown()
 {
-if (filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN) && filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN)) {
+if (filter_var(ini_get('apc.enabled'), \FILTER_VALIDATE_BOOLEAN) && filter_var(ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOLEAN)) {
 apcu_clear_cache();
 }
 }

@@ -124,7 +124,7 @@ public function testUseIncludePath()
 $loader->setUseIncludePath(true);
 $this->assertTrue($loader->getUseIncludePath());
 
-set_include_path(__DIR__.'/Fixtures/includepath'.PATH_SEPARATOR.$includePath);
+set_include_path(__DIR__.'/Fixtures/includepath'.\PATH_SEPARATOR.$includePath);
 
 $this->assertEquals(__DIR__.\DIRECTORY_SEPARATOR.'Fixtures'.\DIRECTORY_SEPARATOR.'includepath'.\DIRECTORY_SEPARATOR.'Foo.php', $loader->findFile('Foo'));
 

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-@trigger_error('The '.__NAMESPACE__.'\WinCacheClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\WinCacheClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', \E_USER_DEPRECATED);
 
 /**
 * WinCacheClassLoader implements a wrapping autoloader cached in WinCache.

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ClassLoader;
 
-@trigger_error('The '.__NAMESPACE__.'\XcacheClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\XcacheClassLoader class is deprecated since Symfony 3.3 and will be removed in 4.0. Use `composer install --apcu-autoloader` instead.', \E_USER_DEPRECATED);
 
 /**
 * XcacheClassLoader implements a wrapping autoloader cached in XCache for PHP 5.3.