protected function markReferences($funcName, $parameters, CompilationContext $compilationContext, &$references, $expression)
{
if ($this->isBuiltInFunction($funcName)) {
return false;
}
$reflector = $this->getReflector($funcName);
if ($reflector) {
$numberParameters = count($parameters);
if ($numberParameters > 0) {
$n = 1;
$funcParameters = $reflector->getParameters();
$isZendEngine3 = $compilationContext->backend->isZE3();
foreach ($funcParameters as $parameter) {
if ($numberParameters >= $n) {
if ($parameter->isPassedByReference()) {
/* TODO hack, fix this better */
if ($isZendEngine3 && $parameters[$n - 1][0] == '&') {
$parameters[$n - 1] = substr($parameters[$n - 1], 1);
}
if (!preg_match('/^[a-zA-Z0-9$\\_]+$/', $parameters[$n - 1])) {
$compilationContext->logger->warning("Cannot mark complex expression as reference", "invalid-reference", $expression);
continue;
}
$variable = $compilationContext->symbolTable->getVariable($parameters[$n - 1]);
if ($variable) {
$variable->setDynamicTypes('undefined');
$referenceSymbol = $compilationContext->backend->getVariableCode($variable);
$compilationContext->codePrinter->output('ZEPHIR_MAKE_REF(' . $referenceSymbol . ');');
$references[] = $parameters[$n - 1];
}
}
}
$n++;
}
}
}
}
