How to encode POST parameter in javascript and decode it in php?

Question

I have to pass parameters using ajax.Updater to a php page. The post values to be passed contain characters like +,-,&,%,#.

I am encoding the parameters using encodeURIComponent before posting and decoding it using urldecode() in the php page.

I am unable to fetch the posted data in the php page. Please suggest how this can be handled.

Thank you

Please show your code. encodeURIComponent is the right function. You probably don't have to do any decoding in PHP. This should be done automatically. — Felix Kling
– Felix Kling, Commented Mar 18, 2011 at 12:37

Sangam254 · Accepted Answer · 2011-04-05 10:34:33Z

3

I used encodeURIComponent(value1). i.e I encoded each value and then posted. Prior, I was encoding the entire postBody.

answered Apr 5, 2011 at 10:34

Sangam254

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2ndkauboy · Accepted Answer · 2011-03-18 12:35:10Z

0

I highly recommend to use the "postBody" Option from Prototype: http://prototypejs.org/api/ajax/options

Using this option you don't have to encode the data. Just send the request as a POST request and fetch the data directly from the $_POST array in PHP.

answered Mar 18, 2011 at 12:35

2ndkauboy

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Sangam254 Over a year ago

I am using "postBody" Option from Prototype. The syntax is like postBody:"field1"=value1+"field2="+value2 But if I have a "+" or "&" in the value to be passed, the "+" and "&" is not fetched in the php page Eg. if field1="grade A+" then only "grade A" appears in php page

Adam Pointer · Accepted Answer · 2011-03-18 12:42:53Z

-1

An alternative to url encode is base64 encode then you can just retrieve the post data using $_POST and base64_decode() the results. base64 encode/decode is very common for example if you are already using JQuery: http://plugins.jquery.com/project/base64-encode-and-decode

answered Mar 18, 2011 at 12:42

Adam Pointer

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Adam Pointer Over a year ago

I take it I was downvoted because base64 encoding can sometimes add spurious characters to the post data.

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