Laravel PHP - Custom JSON object from DB to PHP to JS to HTML

Question

I have to create a custom json object (I need to decide what info goes where in what order) with data I get from PHP in my Controller.

As I see it, I think I need some roundtrips like this:

Get data from Laravel-form in my Controller (Input::get('name'))
Pass that data to JavaScript to build my JSON
Pass that JSON back to PHP
Convert this JSON to a string (to store it in Redis)

And when I try to read this data go the other way around:

Get data from DB
Pass data to JavaScript to get each element/node
Parse those values to html (to display the data from the json)

How would I pass variables from PHP to JS and back? Not sure how that works... A good explanation (with some code or example) would be much appreciated!!!

Or is there another 'better' way?

I am using Laravel 5.2 and NoSQL Redis. I need to create a somewhat complex JSON that looks like this and store that in Redis. This JSON will never be more than twice the size of this one shown here.

Thanks

sonam · Accepted Answer · 2016-01-13 16:07:19Z

1

to generate json data, you can do that with json_encode function in php. No need to pass to javascript to build json data. http://php.net/manual/en/function.json-encode.php

update:

you can store the response of json_encode function in a variable and you can do whatever you want with that variable

$json_data=json_encode($data);

edited Jan 13, 2016 at 16:07

answered Jan 13, 2016 at 15:01

sonam

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6 Comments

nclsvh Over a year ago

Thanks, this seems to work.. But now I have this huge (150+ lines) block of json inmy Controller. s there a way to set this is a seperate file and call it in the Controller (to clear up my Controller clutter)?

nclsvh Over a year ago

Yes I see you point. But since I build my own JSON structure (not imported from sql table) I have this json variable in my Controlller. Can you make a variable that is useable across the whole project?

sonam Over a year ago

could you paste your controller code ? You can declare global variable so that it is accessible across the whole project

nclsvh Over a year ago

Not sure if it will be managable, since I will need to pass about 20 variables to that global variable.. Now I have only done it on line 98. gist.github.com/NicolasVanhecke/e972147b43f8bd03c0b6

sonam Over a year ago

I see you have hard coded a json object to php string variable. It would be better to create an array which holds your key value pairs. Then use json_encode($arrayVariable) to convert array to json.

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