Get json data from a php file

Question

Good morning folks,

I'm just that beginner in json, I have a formated data (array) encoded and sent from a php file, the only thing I want is how to get this data and alert it to be simple??

My object sent from the php file is like: {"stat":"opened","do":"close"} I found the best way to do so, var obj = jQuery.parseJSON(???)but really can't get it work and Google does not want to help me this time !!

Edit: The json object received from a post response:$.post("page.php",{},function(data){/*Here I should pars data and act with*/});

Very glad if you support me in this issue! Regards.

Could you provide more of the Javascript you are using so we can see how it's retrieving the PHP file in question and where it's failing? — Conspicuous Compiler
– Conspicuous Compiler, Commented May 22, 2011 at 10:43

alex · Accepted Answer · 2011-05-22 10:43:05Z

2

If you have jQuery, you just pass the JSON string to that $.parseJSON(). The return value is the native object.

var obj = jQuery.parseJSON('{"stat":"opened","do":"close"}');
console.log(obj.stat, obj.do);

answered May 22, 2011 at 10:43

alex

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4 Comments

Nadjib Mami Over a year ago

Thanks Alex, you been always on my topics, in fact, I obtained data from a post response: $.post("file.php",{},function(data){/*Here I should pars the json object to act with*/});

Nadjib Mami Over a year ago

but the problem is not solved yet, I just provided pore details about the way I received data.

alex Over a year ago

@dany90 Try it on the data variable.

Nadjib Mami Over a year ago

Wow, God how close was I, thank you Alex, you inspired me again, the solution was var obj = jQuery.parseJSON(data); alert(obj.stat); really as said, the solution is always closer than be imagine, see ya!

salathe · Accepted Answer · 2011-05-22 11:40:23Z

2

With JSON responses, you should not need to manually parse them into JavaScript objects with jQuery.parseJSON().

You can tell jQuery which data type to expect by specifying the dataType parameter to jQuery.post() (docs).

For example,

jQuery.post(
    "file.php",
    function (data) { /* data is a JS object already-parsed */ },
    "json"  // <-- tell jQuery that we expect a JSON response
);

You should really be sending along a Content-Type header from your PHP script, telling jQuery (and everything else accessing the script) that the response is JSON with the application/json content type.

edited May 22, 2011 at 11:40

answered May 22, 2011 at 11:34

salathe

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Comments

Rizwan Sharif · Accepted Answer · 2011-05-22 11:36:02Z

0

In your php file , you should also set header('Content-type: application/json');

answered May 22, 2011 at 11:36

Rizwan Sharif

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1 Comment

Rizwan Sharif Over a year ago

Then may be you would like to mark the answer with some rewards :)

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