NSObject-YXDebug.h

#import <Foundation/Foundation.h>

@interface NSObject (YXDebug)

- (NSString *)yx_description;

@end

NSObject-YXDebug.m

#import "NSObject-Verbose.h"
#import <objc/runtime.h>

@implementation NSObject (YXDebug)

- (NSString *)yx_description {
    unsigned int count = 0;
    objc_property_t * properties = class_copyPropertyList([self class], &count);
    NSMutableString * result = [[NSMutableString alloc] init];

    [result appendFormat:@"<%@: %p> {\n", NSStringFromClass([self class]), self];

    for (unsigned int i = 0; i < count; i++) {
        NSString * name = [NSString stringWithUTF8String:property_getName(properties[i])];
        id value = [self valueForKey:name];

        [result appendFormat:@"%@ - %@,\n", name, [value description]];
    }
	
    [result appendString:@"}\n"];
	
    if (properties != NULL) {
        free(properties);
    }
	
    return [result autorelease];
}

@end

u need to free properties!