multibyte-functions

REGEXP to convert any 3 chars or less word to wordVVV

I am trying to convert any occurrence of a word with 3 chars or less to the same word with the string VVV attached to it. Example: for -> forVVV I am using none Latin chars (UTF8), hence the MB. What I have is: $pattern='\b[.{1,6}]\b'; $text=mb_ereg_replace($pattern,'\0VVV',$text,'me'); What am I missing? Here is a case study, see ...

PHP Multi Byte str_replace?

I'm trying to do accented character replacement in PHP but get funky results, my guess being because i'm using a UTF-8 string and str_replace can't properly handle multi-byte strings.. $accents_search = array('á','à','â','ã','ª','ä','å','Á','À','Â','Ã','Ä','é','è', 'ê','ë','É','È','Ê','Ë','í','ì','î','ï','Í','Ì','Î','Ï','œ','ò','ó',...

Using UTF-8 charset with PHP - are mb functions required?

These past few days I've been working toward converting my PHP code base from latin1 to UTF-8. I've read the two main solutions are to either replace the single byte functions with the built in multibyte functions, or set the mbstring.func_overload value in the php.ini file. But then I came across this thread on stack overflow, where th...

Can the PHP value mbstring.internal_encoding be set from a htaccess file?

The following PHP command used to enable function overloading for multibyte data doesn't seem to work when set from inside a .htaccess file: php_value mbstring.func_overload 7 I read there was a bug in PHP 5.2.x versions that prevented this from working properly, however I'm using PHP 5.3.0 and it still doesn't work? But if this sett...

strpos searching for unicode in PHP (and handling inline UTF-8)

I am having a problem dealing with a simple search for a two character unicode string (the needle) inside another string (the haystack) that may or may not be UTF-8 Part of the problem is I don't know how to specify the code for use in strpos, and I don't know if PHP has to be compiled with any special support for the code, or if I have...

shifting a byte array by 4 bits using multibytes access

Problem Statement : We want to left/right shift an array (of size 1~32 bytes) by 4 bits (a nibble). Example: Input array: |12|34|56|78|91|xxxxxx Resultant array: |01|23|45|67|89|1x|xxxx *Here | represents a byte separator. Hence in a byte two numbers are stored (one in each nibble). Pseudo requirement: We need to use multip...