objc_print_properties.m

- (void)logPropertiesFromObject:(id)object {

    NSLog(@"----------------------------------------------- Properties for object %@", object);
    NSMutableString *result = [@"{\n" mutableCopy];
    @autoreleasepool {
        unsigned int numberOfProperties = 0;
        objc_property_t *propertyArray = class_copyPropertyList([object class], &numberOfProperties);
        for (NSUInteger i = 0; i < numberOfProperties; i++) {
            objc_property_t property = propertyArray[i];
            NSString *name = [[NSString alloc] initWithUTF8String:property_getName(property)];
            [result appendFormat:@"%@: %@\n", name, [object valueForKey:name]];
        }
        free(propertyArray);
    }
    [result appendString:@"}\n"];
    NSLog(@"%@", result);
    NSLog(@"-----------------------------------------------");
}