Fonctions iconv

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    User Contributed Notes 2 notes

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    2
    Martin Petrov
    14 years ago
    This is edited functions utf8_to_cp1251 and cp1251_to_utf8.
    Changes: Check current string encoding.

    <?php
    function cp1251_to_utf8($s)
    {
    if ((    mb_detect_encoding($s,'UTF-8,CP1251')) == "WINDOWS-1251")
    {
    $c209 = chr(209); $c208 = chr(208); $c129 = chr(129);
    for(    $i=0; $i<strlen($s); $i++)
    {
    $c=ord($s[$i]);
    if (    $c>=192 and $c<=239) $t.=$c208.chr($c-48);
    elseif (    $c>239) $t.=$c209.chr($c-112);
    elseif (    $c==184) $t.=$c209.$c209;
    elseif (    $c==168) $t.=$c208.$c129;
    else     $t.=$s[$i];
    }
    return     $t;
    }
    else
    {
    return     $s;
    }
    }

    function     utf8_to_cp1251($s)
    {
    if ((    mb_detect_encoding($s,'UTF-8,CP1251')) == "UTF-8")
    {
    for (    $c=0;$c<strlen($s);$c++)
    {
    $i=ord($s[$c]);
    if (    $i<=127) $out.=$s[$c];
    if (    $byte2)
    {
    $new_c2=($c1&3)*64+($i&63);
    $new_c1=($c1>>2)&5;
    $new_i=$new_c1*256+$new_c2;
    if (    $new_i==1025)
    {
    $out_i=168;
    } else {
    if (    $new_i==1105)
    {
    $out_i=184;
    } else {
    $out_i=$new_i-848;
    }
    }
    $out.=chr($out_i);
    $byte2=false;
    }
    if ((    $i>>5)==6)
    {
    $c1=$i;
    $byte2=true;
    }
    }
    return     $out;
    }
    else
    {
    return     $s;
    }
    }
    ?>
    up
    -3
    nod at mobi dot kz
    17 years ago
    If you need convert string from Windows-1251 to 866. Some characters of 1251 haven't representation on DOS 866. For example, long dash -- chr(150) will be converted to 0, after that iconv finish his work and other charactes will be skiped. Problem characters range in win1251 (128-159,163,165-167,169,171-174,177-182,187-190).

    Use this:

    //$text - input text in windows-1251
    //$cout - output text in 866 (cp866, dos ru ascii)

    for($i=0;$i<strlen($text);$i++) {
    $ord=ord($text[$i]);
    if($ord>=192&&$ord<=239) $cout.=chr($ord-64);
    elseif($ord>=240&&$ord<=255) $cout.=chr($ord-16);
    elseif($ord==168) $cout.=chr(240);
    elseif($ord==184) $cout.=chr(241);
    elseif($ord==185) $cout.=chr(252);
    elseif($ord==150||$ord==151) $cout.=chr(45);
    elseif($ord==147||$ord==148||$ord==171||$ord==187) $cout.=chr(34);
    elseif($ord>=128&&$ord<=190) $i=$i; //нет представления данному символу
    else $cout.=chr($ord);
    }
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