php use regex with mb_split to achieve str_split functionality with UTF8

Question

I'm trying to split a string into an array. I've tried str_split() but the problem is that characters like "äüöÄÜÖß" don't work (they become questionmarks)

So I'm trying to do the same with mb_split(), but I don't know how to get the right Regex for it.

Can you please help me?

Here is the code:

$arr = mb_split("\.", $str);

Ross Smith II · Accepted Answer · 2012-08-26 17:23:33Z

4

You might try:

$arr = preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY);

For the /u modifier, see http://php.net/manual/en/reference.pcre.pattern.modifiers.php :

"u (PCRE8) This modifier turns on additional functionality of PCRE that is incompatible with Perl. Pattern strings are treated as UTF-8. This modifier is available from PHP 4.1.0 or greater on Unix and from PHP 4.2.3 on win32. UTF-8 validity of the pattern is checked since PHP 4.3.5."

edited Aug 26, 2012 at 17:23

answered Aug 26, 2012 at 16:32

Ross Smith II

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2 Comments

John Doe Smith Over a year ago

I want to get an array like ["w", "o", "r", "d"] out of "word"

Ross Smith II Over a year ago

You're right, but I did get you started in the right direction! I've updated my answer, per your suggestion.

John Doe Smith · Accepted Answer · 2012-08-26 16:47:39Z

3

ok. that's it:

$arr = preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY);

answered Aug 26, 2012 at 16:47

John Doe Smith

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