public function compileFunction(CompilationContext $compilationContext, FunctionDefinition $functionDefinition)
{
/** Make sure we do not produce calls like ZEPHIR_CALL_SELF */
$bakClassDefinition = $compilationContext->classDefinition;
$compilationContext->classDefinition = null;
$compilationContext->currentMethod = $functionDefinition;
$codePrinter = $compilationContext->codePrinter;
$codePrinter->output('PHP_FUNCTION(' . $functionDefinition->getInternalName() . ') {');
$functionDefinition->compile($compilationContext);
$codePrinter->output('}');
$codePrinter->outputBlankLine();
/** Restore */
$compilationContext->classDefinition = $bakClassDefinition;
$compilationContext->currentMethod = null;
}