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how to get actual number of unicode character?

Posted: Mon Mar 01, 2010 3:08 am
by markthien
Hi guys,

I got a textarea let user enter their remark and I need to get the length of user entered remark.
Hence, I use strlen but it's no right when user enter both chinese and alphabet together like:

$tmp = 'Hello dear'; // string from textarea
$len = strlen($tmp); // this is correct where it return 10

$tmp = 'Hello dear 双皮奶'; // string from textarea
$len = strlen($tmp); // this is not really correct where it return 19

I need it to return length of 13 for the 2nd one. Hwo to do that? thanks!

Cheers,
Mark Thien