Welcome toVigges Developer Community-Open, Learning,Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
2.2k views
in Technique[技术] by (71.8m points)

how to get the exact length of a string in php?

I have strange result with:

strlen("òàùè")

How can I count correctly string with no-ascii characters?

I also looked at mb_strlen() but does not solve the problem.

Thanks

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

mb_strlen will

Return the number of characters in string $str having character encoding $encoding. A multi-byte character is counted as 1.

Your internal encoding is likely not set to utf-8, so do

echo mb_strlen('òàùè', 'utf8');

or set utf8 globally:

mb_internal_encoding('utf8');

and then do

echo mb_strlen("òàùè");

will give 4 (demo)


与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to Vigges Developer Community for programmer and developer-Open, Learning and Share

2.1m questions

2.1m answers

63 comments

56.5k users

...