diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2669,6 +2669,7 @@
     'PhabricatorProjectWatchController' => 'applications/project/controller/PhabricatorProjectWatchController.php',
     'PhabricatorProjectsPolicyRule' => 'applications/policy/rule/PhabricatorProjectsPolicyRule.php',
     'PhabricatorProtocolAdapter' => 'infrastructure/daemon/bot/adapter/PhabricatorProtocolAdapter.php',
+    'PhabricatorPurgeApcController' => 'applications/system/controller/PhabricatorPurgeApcController.php',
     'PhabricatorPygmentSetupCheck' => 'applications/config/check/PhabricatorPygmentSetupCheck.php',
     'PhabricatorQuery' => 'infrastructure/query/PhabricatorQuery.php',
     'PhabricatorQueryConstraint' => 'infrastructure/query/constraint/PhabricatorQueryConstraint.php',
@@ -6711,6 +6712,7 @@
     'PhabricatorProjectWatchController' => 'PhabricatorProjectController',
     'PhabricatorProjectsPolicyRule' => 'PhabricatorPolicyRule',
     'PhabricatorProtocolAdapter' => 'Phobject',
+    'PhabricatorPurgeApcController' => 'PhabricatorController',
     'PhabricatorPygmentSetupCheck' => 'PhabricatorSetupCheck',
     'PhabricatorQuery' => 'Phobject',
     'PhabricatorQueryConstraint' => 'Phobject',
diff --git a/src/applications/system/application/PhabricatorSystemApplication.php b/src/applications/system/application/PhabricatorSystemApplication.php
--- a/src/applications/system/application/PhabricatorSystemApplication.php
+++ b/src/applications/system/application/PhabricatorSystemApplication.php
@@ -18,6 +18,7 @@
     return array(
       '/status/' => 'PhabricatorStatusController',
       '/debug/' => 'PhabricatorDebugController',
+      '/purge_apc/' => 'PhabricatorPurgeApcController',
       '/robots.txt' => 'PhabricatorRobotsController',
       '/services/' => array(
         'encoding/' => 'PhabricatorSystemSelectEncodingController',
diff --git a/src/applications/system/controller/PhabricatorPurgeApcController.php b/src/applications/system/controller/PhabricatorPurgeApcController.php
new file mode 100644
--- /dev/null
+++ b/src/applications/system/controller/PhabricatorPurgeApcController.php
@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * Purges APC via apc_clear_cache(). This allows you to deploy new code without
+ * restarting Phabricator. In an ideal world, you would have made sure your new
+ * code actually works.
+ *
+ * Restricting this to admins to prevent abuse.
+ */
+final class PhabricatorPurgeApcController extends PhabricatorController {
+
+  public function shouldRequireAdmin() {
+    return true;
+  }
+
+  public function processRequest() {
+    $result = '';
+
+    // apc logic from PhabricatorOpcodeCacheSpec.php
+    $apc_installed = extension_loaded('apc') && !extension_loaded('apcu');
+    if (!$apc_installed) {
+      $result = 'APC is not installed!';
+    } else if (!ini_get('apc.enabled')) {
+      $result = 'APC is installed, but not enabled!';
+    } else {
+      apc_clear_cache();
+      $result = 'Ran apc_clear_cache()';
+    }
+
+    $response = new AphrontWebpageResponse();
+    $response->setContent($result);
+    return $response;
+  }
+}