/**
* @param int $variableType1
* @param int $variableType2
* @return int
*/
public static function stricterVariableType($variableType1, $variableType2)
{
$isVar1Array = FALSE;
$var1ElementVariableType = $variableType1;
switch ($variableType1) {
case Variable::ARRAY_BOOL:
case Variable::ARRAY_INT:
case Variable::ARRAY_FLOAT:
case Variable::ARRAY_STRING:
$isVar1Array = TRUE;
$var1ElementVariableType = Variable::arrayElementVariableType($variableType1);
break;
}
$isVar2Array = FALSE;
$var2ElementVariableType = $variableType2;
switch ($variableType2) {
case Variable::ARRAY_BOOL:
case Variable::ARRAY_INT:
case Variable::ARRAY_FLOAT:
case Variable::ARRAY_STRING:
$isVar2Array = TRUE;
$var2ElementVariableType = Variable::arrayElementVariableType($variableType2);
break;
}
if ($isVar1Array == $isVar2Array) {
return $variableType1 > $variableType2 ? $variableType2 : $variableType1;
} else {
if ($isVar1Array && !$isVar2Array) {
$stricterElementType = Variable::stricterVariableType($var1ElementVariableType, $variableType2);
return Variable::arrayVariableTypeFromElement($stricterElementType);
} else {
$stricterElementType = Variable::stricterVariableType($variableType1, $var2ElementVariableType);
return Variable::arrayVariableTypeFromElement($stricterElementType);
}
}
}
