Get JSON data from ajax call to PHP page through POST

Question

I want to get some data from a form making AJAX call. I am getting the data as a string in my PHP page. The string looks like

'fname':'abc','lname':'xyz','email':'','pass':'','phone':'','gender':'','dob':''

Now I want to convert this entire string into array which would look like ["fname"] => "abc", ["lname"] => "xyz"... and so on

The ajax call is like below:

fname = $("#form-fname").val();
lname = $("#form-lname").val();
email = $("#form-username").val();
pwd = $("#form-password").val();
phone = $("#form-phone").val();
gender = $("#form-gender").val();
dob = $("#form-dob").val();
var user = {"fname":fname,"lname":lname,"email":email,"pass":pwd,"phone":phone,"gender":gender,"dob":dob};
$.ajax({
      type: "POST",
      url: "doRegistration.php",
      data: user
 })
 .done(function( msg ) {                        
       window.location.href = "../profile.php";
 })
 .fail(function(msg) {
       sessionStorage.setItem("success","0");
       window.location.reload();
 }); 

And here is my PHP code:

$content = file_get_contents("php://input");
file_put_contents("log1.txt",$content); //This produces the string I get above

Now I try to convert the string into array as above

$dec = explode(",",$content);
$dec1 = array();
for($i=0;$i<count($dec);$i++)
{
    $dec1[i] = substr($dec[i],strpos($dec[i],":"));
}
//After this $dec1 is empty and count($dec1) gives 0.

But this does not give me the required array. I have checked several answers here, but they do not solve my issue. I tried to google but did not find any resolution. Is there something wrong in the code? Kindly help. Thanks in advance.

Answer 1

Change quotes and add braces. Then you can decode resulting json

$string = "'fname':'abc','lname':'xyz','email':'','pass':'','phone':'','gender':'','dob':''";

print_r(json_decode('{' . str_replace("'", '"', $string) . '}', true));

result

Array
(
    [fname] => abc
    [lname] => xyz
    [email] => 
    [pass] => 
    [phone] => 
    [gender] => 
    [dob] => 
)