PHP best way to MD5 multi-dimensional array?

Question

What is the best way to generate an MD5 (or any other hash) of a multi-dimensional array?

I could easily write a loop which would traverse through each level of the

Answer 1

there are several answers telling to use json_code,

but json_encode don't work fine with iso-8859-1 string, as soon as there is a special char, the string is cropped.

i would advice to use var_export :

md5(var_export($array, true))

not as slow as serialize, not as bugged as json_encode