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i have to encode an array of email addresses using javascript into json string and send to abc.php using ajax. in abc.php i have to decode it and send emails to all the address into that array.

currently i'm encoding the array into json using 

var json_string = JSON.stringify(myarray);

in abc.php i am decoding it using 

$emails = json_decode($_POST['json_string']);
// json_string was passed as POST variable using ajax

but it gives NULL when printed..

how can i decode it and access individual emails in the php file

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What does var_dump($_POST['json_string']) give you, or var_dump($_POST) for that matter? –  deceze Dec 23 '12 at 8:20
 
print_r gives [\"[email protected]\",\"[email protected]\"] and var_dump (json_decode($_POST['json_string'])) gives null –  vinique Dec 23 '12 at 8:22
6  
Looks like magic quotes? –  deceze Dec 23 '12 at 8:24
 
It may be helpful to see your actual ajax call. It may be a datatype thing. –  Joshua Enfield Dec 23 '12 at 8:41
 
Yeah, could be magic quotes. Try unescaping the string before decoding. –  Artem Goutsoul Dec 23 '12 at 9:27
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1 Answer

up vote 2 down vote

If you have access to the php.ini of your webserver, the best thing would be to disable magic_quotes at all, because they are deprecated:

; Magic quotes
;

; Magic quotes for incoming GET/POST/Cookie data.
magic_quotes_gpc = Off

; Magic quotes for runtime-generated data, e.g. data from SQL, from exec(), etc.
magic_quotes_runtime = Off

; Use Sybase-style magic quotes (escape ' with '' instead of \').
magic_quotes_sybase = Off

If you don't have server access, use a .htaccess file with the following option

php_flag magic_quotes_gpc Off

If you don't want to use that, the last thing that remains is using an unescape function such as

function ref_stripslashes(&$value,$key) {
    $value = stripslashes($value);
}

if((function_exists("get_magic_quotes_gpc") && get_magic_quotes_gpc()) || (ini_get('magic_quotes_sybase') && (strtolower(ini_get('magic_quotes_sybase'))!="off")) ) {
    array_walk_recursive($_GET,'ref_stripslashes');
    array_walk_recursive($_POST,'ref_stripslashes');
    array_walk_recursive($_COOKIE,'ref_stripslashes');
}

This was taken from the php manual, Lucifer's comment

json_decode($_POST['json_string']) should then work.

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