Move the console script within a namespace & add a CLI guard

symfony/console/3.3/bin/console

@@ -1,11 +1,17 @@
 #!/usr/bin/env php
 <?php
 
+namespace Bin;
+
 use App\Kernel;
 use Symfony\Bundle\FrameworkBundle\Console\Application;
 use Symfony\Component\Console\Input\ArgvInput;
 use Symfony\Component\Debug\Debug;
 
+if (false === in_array(\PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
+    echo 'Warning: The console should be invoked via the CLI version of PHP, not the '.\PHP_SAPI.' SAPI'.\PHP_EOL;
+}
+
 set_time_limit(0);
 
 require dirname(__DIR__).'/vendor/autoload.php';