minor optimalisations for explode

src/Symfony/Bundle/FrameworkBundle/Controller/ControllerResolver.php

@@ -58,7 +58,7 @@ class ControllerResolver extends BaseControllerResolver
                 $controller = $this->parser->parse($controller);
             } elseif (1 == $count) {
                 // controller in the service:method notation
-                list($service, $method) = explode(':', $controller);
+                list($service, $method) = explode(':', $controller, 2);
 
                 return array($this->container->get($service), $method);
             } else {
@@ -66,7 +66,7 @@ class ControllerResolver extends BaseControllerResolver
             }
         }
 
-        list($class, $method) = explode('::', $controller);
+        list($class, $method) = explode('::', $controller, 3);
 
         if (!class_exists($class)) {
             throw new \InvalidArgumentException(sprintf('Class "%s" does not exist.', $class));

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -195,7 +195,7 @@ class FrameworkExtension extends Extension
             'sqlite' => 'Symfony\Component\HttpKernel\Profiler\SqliteProfilerStorage',
             'mysql'  => 'Symfony\Component\HttpKernel\Profiler\MysqlProfilerStorage',
         );
-        list($class, ) = explode(':', $config['dsn']);
+        list($class, ) = explode(':', $config['dsn'], 2);
         if (!isset($supported[$class])) {
             throw new \LogicException(sprintf('Driver "%s" is not supported for the profiler.', $class));
         }
@@ -513,7 +513,7 @@ class FrameworkExtension extends Extension
                 })->in($dirs);
                 foreach ($finder as $file) {
                     // filename is domain.locale.format
-                    list($domain, $locale, $format) = explode('.', $file->getBasename());
+                    list($domain, $locale, $format) = explode('.', $file->getBasename(), 4);
 
                     $translator->addMethodCall('addResource', array($format, (string) $file, $locale, $domain));
                 }

src/Symfony/Bundle/FrameworkBundle/Templating/Helper/CodeHelper.php

@@ -86,7 +86,7 @@ class CodeHelper extends Helper
     public function abbrMethod($method)
     {
         if (false !== strpos($method, '::')) {
-            list($class, $method) = explode('::', $method);
+            list($class, $method) = explode('::', $method, 3);
             $result = sprintf("%s::%s()", $this->abbrClass($class), $method);
         } else if ('Closure' === $method) {
             $result = sprintf("<abbr title=\"%s\">%s</abbr>", $method, $method);

src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/Fixtures/StubTemplateNameParser.php

@@ -28,7 +28,7 @@ class StubTemplateNameParser implements TemplateNameParserInterface
 
     public function parse($name)
     {
-        list($bundle, $controller, $template) = explode(':', $name);
+        list($bundle, $controller, $template) = explode(':', $name, 4);
 
         if ($template[0] == '_') {
             $path = $this->rootTheme.'/Custom/'.$template;

src/Symfony/Component/CssSelector/Node/FunctionNode.php

@@ -266,7 +266,7 @@ class FunctionNode implements NodeInterface
             return array(0, intval((string) $s));
         }
 
-        list($a, $b) = explode('n', $s);
+        list($a, $b) = explode('n', $s, 3);
         if (!$a) {
             $a = 1;
         } elseif ('-' == $a || '+' == $a) {

src/Symfony/Component/HttpFoundation/RequestMatcher.php

@@ -135,7 +135,7 @@ class RequestMatcher implements RequestMatcherInterface
     protected function checkIp4($requestIp, $ip)
     {
         if (false !== strpos($ip, '/')) {
-            list($address, $netmask) = explode('/', $ip);
+            list($address, $netmask) = explode('/', $ip, 3);
 
             if ($netmask < 1 || $netmask > 32) {
                 return false;
@@ -158,7 +158,7 @@ class RequestMatcher implements RequestMatcherInterface
             throw new \RuntimeException('Unable to check Ipv6. Check that PHP was not compiled with option "disable-ipv6".');
         }
 
-        list($address, $netmask) = explode('/', $ip);
+        list($address, $netmask) = explode('/', $ip, 3);
 
         $bytes_addr = unpack("n*", inet_pton($address));
         $bytes_test = unpack("n*", inet_pton($requestIp));

src/Symfony/Component/HttpKernel/Controller/ControllerResolver.php

@@ -145,7 +145,7 @@ class ControllerResolver implements ControllerResolverInterface
             throw new \InvalidArgumentException(sprintf('Unable to find controller "%s".', $controller));
         }
 
-        list($class, $method) = explode('::', $controller);
+        list($class, $method) = explode('::', $controller, 3);
 
         if (!class_exists($class)) {
             throw new \InvalidArgumentException(sprintf('Class "%s" does not exist.', $class));

src/Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener.php

@@ -144,7 +144,7 @@ class DigestData
         $parts = preg_split('/, /', $header);
         $this->elements = array();
         foreach ($parts as $part) {
-            list($key, $value) = explode('=', $part);
+            list($key, $value) = explode('=', $part, 3);
             $this->elements[$key] = '"' === $value[0] ? substr($value, 1, -1) : $value;
         }
     }

src/Symfony/Component/Validator/Mapping/Loader/FileLoader.php

@@ -59,7 +59,7 @@ abstract class FileLoader implements LoaderInterface
         if (strpos($name, '\\') !== false && class_exists($name)) {
             $className = (string) $name;
         } else if (strpos($name, ':') !== false) {
-            list($prefix, $className) = explode(':', $name);
+            list($prefix, $className) = explode(':', $name, 3);
 
             if (!isset($this->namespaces[$prefix])) {
                 throw new MappingException(sprintf('Undefined namespace prefix "%s"', $prefix));