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Re^2: port a function from php

by oiskuu (Friar)
on Dec 10, 2013 at 17:22 UTC ( #1066474=note: print w/ replies, xml ) Need Help??

in reply to Re: port a function from php
in thread port a function from php

Well... Consider this perl code for example:

sub ncp { ($_[0] ^ $_[1]) =~ m/\0*/; $+[0]; }
This returns the common prefix length for two given strings. Except when it fails, that is. Which happens when NUL's are present in the (longer) string. A case that has actually bitten me before. The PHP semantics would be a win sometimes.

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