Test3 for ssh

$sandbox = new LuaSandbox; $sandbox->setMemoryLimit( 50 * 1024 * 1024 ); $sandbox->setCPULimit( 10 );

// Register some functions in the Lua environment

function frobnosticate( $v ) {

   return [ $v + 42 ];

}

$sandbox->registerLibrary( 'php', [

   'frobnosticate' => 'frobnosticate',
   'output' => function ( $string ) {
       echo "$string\n";
   },
   'error' => function () {
       throw new LuaSandboxRuntimeError( "Something is wrong" );
   }

] );

// Execute some Lua code, including callbacks into PHP and into Lua

$luaCode = <<<EOF php.output( "Hello, world" );

return "Hi", function ( v )

   return php.frobnosticate( v + 200 )

end EOF;

list( $hi, $frob ) = $sandbox->loadString( $luaCode )->call(); assert( $frob->call( 4000 ) === [ 4242 ] );

// PHP-thrown LuaSandboxRuntimeError exceptions can be caught inside Lua

list( $ok, $message ) = $sandbox->loadString( 'return pcall( php.error )' )->call(); assert( !$ok ); assert( $message === 'Something is wrong' );