You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
1.7 KiB
PHP
81 lines
1.7 KiB
PHP
<?php
|
|
function mod_b64_decode($data){
|
|
return base64_decode(str_replace(",","/",$data));
|
|
}
|
|
|
|
function mod_b64_encode($data){
|
|
return str_replace("/",",",str_replace("=","",base64_encode($data)));
|
|
}
|
|
|
|
|
|
function utf8_to_html($str){
|
|
$len = strlen($str);
|
|
$out = "";
|
|
for($i=0;$i<$len;$i+=2){
|
|
$val = ord($str[$i]);
|
|
$next_val = ord($str[$i+1]);
|
|
if ($val<255){
|
|
$out.="&#".($val*256+$next_val).";";
|
|
}else{
|
|
$out.=$str[$i].$str[$i+1];
|
|
}
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
function iil_utf7_decode($str, $raw=false){
|
|
if (strpos($str, '&')===false) return $str;
|
|
|
|
$len = strlen($str);
|
|
$in_b64 = false;
|
|
$b64_data = "";
|
|
$out = "";
|
|
for ($i=0;$i<$len;$i++){
|
|
$char = $str[$i];
|
|
if ($char=='&') $in_b64 = true;
|
|
else if ($in_b64 && $char=='-'){
|
|
$in_b64 = false;
|
|
if ($b64_data=="") $out.="&";
|
|
else{
|
|
$dec=mod_b64_decode($b64_data);
|
|
$out.=($raw?$dec:utf8_to_html($dec));
|
|
$b64_data = "";
|
|
}
|
|
}else if ($in_b64) $b64_data.=$char;
|
|
else $out.=$char;
|
|
}
|
|
return $out;
|
|
}
|
|
|
|
function iil_utf7_encode($str){
|
|
if (!ereg("[\200-\237]",$str) && !ereg("[\241-\377]",$str))
|
|
return $str;
|
|
|
|
$len = strlen($str);
|
|
|
|
for ($i=0;$i<$len;$i++){
|
|
$val = ord($str[$i]);
|
|
if ($val>=224 && $val<=239){
|
|
$unicode = ($val-224) * 4096 + (ord($str[$i+1])-128) * 64 + (ord($str[$i+2])-128);
|
|
$i+=2;
|
|
$utf_code.=chr((int)($unicode/256)).chr($unicode%256);
|
|
}else if ($val>=192 && $val<=223){
|
|
$unicode = ($val-192) * 64 + (ord($str[$i+1])-128);
|
|
$i++;
|
|
$utf_code.=chr((int)($unicode/256)).chr($unicode%256);
|
|
}else{
|
|
if ($utf_code){
|
|
$out.='&'.mod_b64_encode($utf_code).'-';
|
|
$utf_code="";
|
|
}
|
|
if ($str[$i]=="-") $out.="&";
|
|
$out.=$str[$i];
|
|
}
|
|
}
|
|
if ($utf_code)
|
|
$out.='&'.mod_b64_encode($utf_code).'-';
|
|
return $out;
|
|
}
|
|
|
|
|
|
?>
|