So, are strings in PHP cstrings, or are they a length/address pair? | Hacker News

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		jrockway on June 10, 2011 \| parent \| context \| favorite \| on: PHP Hacking aka trying to push PHP internals forwa... So, are strings in PHP cstrings, or are they a length/address pair?

roel_v on June 10, 2011 | [–]

Pascal-style, so size/address. Technically, strings don't need to be null-terminated, but many libraries expect they are so many are 'both' in a way.

pbiggar on June 10, 2011 | [–]

length/address pair.

jrockway on June 10, 2011 | [–]

I see. Why is strlen such a hit then?

pbiggar on June 10, 2011 | | [–]

function call overheard. isset is a builtin.

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