ios - STHTTPRequest "& char" how i can send this char to a php page? -

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my ios app have send/retrive date throught php pages. example call usingi sthttprequest : 

 __block sthttprequest *up = [sthttprequest requestwithurlstring:[nsstring stringwithformat:@"%@%@",pathserver,@"retrivedata.php"]];  up.encodepostdictionary=no; up.postdataencoding=nsutf8stringencoding;  up.postdictionary = @{@"name":@"name", @"surname":@"surname"};

it's ok until decide insert lik :

up.postdictionary = @{@"name":@"na&me", @"surname":@"surname"};

in way a

 print_r($_post);

in retrivedata.php results in:

array (  [name] => na  [surname] => surname  )

the name cutted @ "&" char index. have tried no success like:

utf8_encode/utf8_decode($name)

it seems name arrives retrivedata.php cutted, can't use chars conversion/encoding... in sthttprequest have tried set:

up.encodepostdictionary=yes;

with setting can send "&" $amp; if select retrive value can't convert normal string by

 html_entity_decode();

it still remain 

&

how can do? sthttprequest send 'na&me' comes blank $_post[] in retrivepage.php

i not familiar shttprequest, should url encode it. "na%26me" when url encoded. later in post have "na&me"

hope helps :)


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