encode json from javascript and decode using php

Question

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

Answer 1

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.