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ngibbs

Using PHP Session in JQuery using Json Encode

in Using jQuery • 5 years ago

I am trying to append one value from json encode. Here is my code:

session.php

echo json_encode($_SESSION);
/* output */
"user_id":"1","firstname":"John","lastname":"Doe","email":"jdoe@email.com","role":"administrator","status":"active"}

How do I then append just the firstname to index.html?

<script type='text/javascript'>
$(document).ready(function () {
/* call the php that has the php array which is json_encoded */
$.getJSON('session.php', function (session) {
/* data will hold the php array as a javascript object */
.each(session, function (session_key, session_val) {
$("#user").append(
'<li class="dropdown"><a href="#" class="dropdown-toggle pr-0" data-toggle="dropdown"><i class="fa fa-user top-nav-icon text-success mr-10"></i>' + session.firstname + '</a></li>'
);
});
});
});
</script>

This is outputting the firstname multiple times. What am I doing wrong?

Replies(3)

jakecigar

Re: Using PHP Session in JQuery using Json Encode

5 years ago

Don’t loop (each). There is no array.

Line 6 is invalid, but probably just a copy & paste error.

$.getJSON('session.php', function (session) {
$("#user").append('<li class="dropdown"><a href="#" class="dropdown-toggle pr-0" data-toggle="dropdown"><I class="fa fa-user top-nav-icon text-success mr-10"></i>' + session.firstname + '</a></li>');
})

JΛ̊KE

ngibbs

Re: Using PHP Session in JQuery using Json Encode

5 years ago

Yes I deleted the $ In line 6. I struggle with the forum and using the formatting.

Thanks. It worked like a charm.

Now here is a bigger question: Is this how I should be doing this?

User logs in at login.html.

That calls a login.php script that authenticates and returns the user information in json.

From there I want to create a profile.html page that reads in the json and displays user info and manages rights.

jakecigar

Re: Using PHP Session in JQuery using Json Encode

5 years ago

Probably not.

I would stick to a classic <form>. It is a security problem to leave the user on the same page they logged in with. The debugger can uncover the password too easily. Imagine that Joe logs in, then goes to the bathroom. Somebody can open up the debugger and get Joe’s password.

Also sending the entire $_SESSION structure is probably sending too much info.

JΛ̊KE

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