How do I convert an incoming JSON value to a decimal

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Hey. Stumped over here.

I have a JSON string returning data from a payment API, it is implemented into my html code via PHP:

The issue is that the API pulls in number values only with no decimal conversion on the API end. My system is converting the number to a decimal which is one decimal place off from where it should be.

For example:
Returned from API: Total: 500 (Not converted json value)
Total: $500.00 (What I see)
Total: $5.00 (What I want)

Here is the snippet of code that I am using in my HTML file to show the data.

PHP

<?php echo ((isset($processData['original_total_charged']) && !empty($processData['original_total_charged'])) ? $this->Number->currency($processData['original_total_charged'], Configure::read('PAYMENT_SETTINGS.Currency')): ""); ?>

"original_total_charged" being the id of the number string being returned.

Where is my issue? I feel that I understand what the issue is; but I don't know WHERE I've made my mistake. My system is built with mvc and cake php

Posted 16-Dec-15 14:04pm

zakpucci2

Updated 16-Dec-15 14:09pm

v3

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Peter_in_2780 16-Dec-15 20:38pm

Looks like the API returns integer cents, which is a very sensible representation of monetary value. Look around your frameworks for a currency class that includes formatting, so it will produce strings like "$5.00" or "$0.50" or "50c".

zakpucci2 16-Dec-15 20:39pm

That's what I assumed, I'm just having the hardest time finding it.

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Sergey Alexandrovich Kryukov · Accepted Answer · 2015-12-16T14:40:00

Solution 1

PHP JSON serialization does it all. Please see: http://php.net/manual/en/function.json-decode.php[^].

Essentially, "decode" (parsing) reinterprets a JSON string into a PHP data structure in type-agnostic data-driven way, as it is always done with true serialization.

—SA

Posted 16-Dec-15 14:40pm

Sergey Alexandrovich Kryukov

Updated 16-Dec-15 14:41pm

v2