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Package php-mb-string
Short Description A high performance multibytes sting implementation for frequently reading/writing operations.
License MIT
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Informations about the package php-mb-string
php-mb-string
A high performance multibyte sting implementation for frequently reading/writing operations.
Why I Write This Package?
Consider that you have a LONG multibyte string and you want to do lots of following operations on it.
- Random reading/writing such as
$char = $str[5];or$str[5] = '許';. - Replacement such as
str_replace($search, $replace, $str);. - Insertion such as
substr_replace($insert, $str, $position, 0);. - Get substring such as
substr($str, $start, $length);.
Because strings in PHP are not UTF-8, to do operations above safely,
you have to either use mb_*() functions or calculate the index by yourself.
Using mb_*() functions frequently can be a performance loss because it has
to re-decode the source string basing on the given encoding every time when you call it.
The longer the string is, the severer the problem becomes.
Instead, this class internally stores the string in its UTF-32 form,
which is fixed-width (1 char always occupies 4 bytes) so we are able to
perform speedy random accesses. With the power of random access, we could
use str_*() functions to do the job internally.
Installation
Example
Benchmark
What Are You Doing With This Package?
I develop this for a PHP diff package, jfcherng/php-diff.
All versions of php-mb-string with dependencies
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