imap_qprint

(PHP 4, PHP 5, PHP 7, PHP 8)

imap_qprint — Convert a quoted-printable string to an 8 bit string

说明

imap_qprint(string $string): string|false

Convert a quoted-printable string to an 8 bit string according to » RFC2045, section 6.7.

参数

string: A quoted-printable string

返回值

Returns an 8 bits string, 或者在失败时返回 false.

参见

imap_8bit() - Convert an 8bit string to a quoted-printable string

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User Contributed Notes 4 notes

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bernard at bmpsystems dot com ¶

22 years ago


This function seems to have a bug, when the quoted-printable string contains a "=" without the HEX code of a Character.

I use the regular quoted_printable_decode instead.

down

tonitester at gmx dot net ¶

15 years ago


If you don't have access to the imap_qprint function and you have to encode URL Decoded and Quoted Printable Strings you receive by Mail try this simple function. But if you don't receive URL Decoded data and the string doesn't contain an = you better use http://www.php.net/manual/en/function.quoted-printable-decode.php

function decode_qprint($str){
$arr= array("A","B","C","D","E","F");
while (list(, $var) = each($arr)) {    
    $i=0;
    while ($i <=9){
        $str=str_replace("=".$var.$i,"%".$var.$i,$str);
        $i++;}
    $arr2 = array("A","B","C","D","E","F");
    while (list(, $val) = each($arr2)) {
        $str=str_replace("=".$var.$val,"%".$var.$val,$str);}}
$str = urldecode($str);
$str = utf8_encode($str);
return $str;}

$s2d='=F6=D6=DF=C4=E4=DC=FC=A9=AE';
$2s2d='%F6';

$output = decode_qprint($s2d);
$output2 = decode_qprint($2s2d);

echo $output;
echo $output2;

down

wese at gmx dot at ¶

13 years ago


I just got rid of the loops using a regex.

<?php
function decode_qprint($str) {
    $str = preg_replace("/\=([A-F][A-F0-9])/","%$1",$str);
    $str = urldecode($str);
    $str = utf8_encode($str);
    return $str;
}
?>

Thanks for sharing!

down

bletous at yahoo dot fr ¶

16 years ago


Some mails are encoded in bad quoted printable format:
I use this function to decode the qprint:

for($i=0;$i<256;$i++)
    { 
    $c1=dechex($i);
    if(strlen($c1)==1){$c1="0".$c1;} 
    $c1="=".$c1;
    $myqprinta[]=$c1;
    $myqprintb[]=chr($i);
    }

function decode($data,$code)
{  
if(!$code){return imap_utf7_decode($data);}
if($code==0){return imap_utf7_decode($data);}
if($code==1){return imap_utf8($data);}
if($code==2){return ($data);}
if($code==3){return imap_base64($data);}
if($code==4){return imap_qprint(str_replace($myqprinta,$myqprintb,($data)));}
if($code==5){return ($data);}

}

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官方地址：https://www.php.net/manual/en/function.imap-qprint.php

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imap_qprint

说明

参数

返回值

参见

User Contributed Notes 4 notes