Return array of all properties from a specified object of a particular class type

VZClassHelper.h

#import "VZClassHelper.h"
#import <objc/runtime.h>

@implementation VZClassHelper

+(NSMutableArray *)allPropertiesFromObject:(NSObject *)object ofType:(Class)class
{
    NSMutableArray *array = [NSMutableArray new];
    unsigned int count=0;
    objc_property_t *props = class_copyPropertyList([object class],&count);
    for ( int i=0;i<count;i++ )
    {
        objc_property_t property = props[i];
        const char * type = property_getAttributes(property);

        const char * name = property_getName(property);
        NSString *propertyName = [NSString stringWithCString:name encoding:NSUTF8StringEncoding];

        NSString * typeString = [NSString stringWithUTF8String:type];
        NSArray * attributes = [typeString componentsSeparatedByString:@","];
        NSString * typeAttribute = [attributes objectAtIndex:0];

        if ([typeAttribute hasPrefix:@"T@"]) {
            NSString * typeClassName = [typeAttribute substringWithRange:NSMakeRange(3, [typeAttribute length]-4)];  //turns @"NSDate" into NSDate
            Class typeClass = NSClassFromString(typeClassName);
            if (typeClass != nil) {
                // Here is the corresponding class even for nil values
                if (typeClass == class)
                {
                    NSObject *actualObject = [object valueForKey:propertyName];

                    if (actualObject == nil)
                    {
                        actualObject = [class new];
                    }

                    [array addObject:actualObject];
                }
            }
        }
    }
    NSLog(@"%@", array);
    return array;
}

@end