Portable UTF-8 v 1.2 released

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I have just uploaded the next version of the Portable UTF-8 library. This version adds 9 UTF-8 string functions to the library. There are a few bug fixes, and also some performance optimizations, but the release was mainly to increase the functionality of the library.

You can download the new version here and the detailed explanations of all functions is available here.

New Functions:

  • utf8_string - Makes a string from UTF-8 code points.
  • utf8_substr_count - Count the number of sub string occurrences. Replacement for
    substr_count
    .
  • is_ascii - Checks if a string is 7 bit ASCII.
  • utf8_range - Returns an array of characters between two codepoints (int or hex) or UTF8 characters. Replacement for
    range
    .
  • utf8_hash - Generates a hash/string of random UTF-8 characters.
  • utf8_chr_map - Applies callback to all UTF-8 characters.
  • utf8_access - Provides a way to access individual UTF-8 characters. Replacement for
    $string[$i]
    .
  • utf8_str_sort - Sort ascending/descending with respect to codepoints of all characters.
  • utf8_strip_tags - Replacement for PHP's
    strip_tags
    .

Optimizations & Improvements:

  • utf8_bom now in-lines the BOM string instead of creating the string using
    pack
    and caching it as a
    static
    variable.
  • utf8_chr now accepts hexadecimal codepoints.
  • utf8_split has been improved. New version uses PCRE [1] and is better and faster.
  • utf8_substr - improved consistency with substr.

Bug Fixes:

  • extension_loaded
    was misspelled as extension_loded in v 1.1 Line 50 - reported by Goran Jurić.



  1. High Performance Hosting is now $3.96 a month
  2. Portable UTF-8 - A Lightweight Library for Unicode Handling in PHP
  3. Portable UTF-8 v 1.3 released
  4. Portable UTF-8: Demo


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