filesize from a String

Question

how can i get the \"filesize\" from a string in php?

I put the string in a mysql database as a blob and i need to store the size of the blob. My solution was to create

Answer 1

strlen()

before putting it into mysql, or in SQL:

LENGTH()

Notice that lenght can be various depending on character set. If you want to have real length in bytes use strlen(), if you want to have character count use mb_strlen() (if you have utf-8 encoding for example)