parsing JSON in php using angularJS object

Question

I am trying to pass JSON object from angular to php like this :

<?php
    $placeBean = "{{masterCtrl.getLastplace();}}";
    //VAR DUMP IS -> string(30) "{"id":1841,"name":"Milano","areaCode":"MI","latitude":0,"longitude":0}"

    $json = '{"id":1841,"name":"Milano","areaCode":"MI","latitude":0,"longitude":0}';
    //VAR DUMP IS -> string(70) "{"id":1841,"name":"Milano","areaCode":"MI","latitude":0,"longitude":0}"
?>

Then I need to parse the json in $placeBean, because it is not yet a json in php, so I use

<?php 
   $manage = json_decode($placeBean);  
?>

And this is the problem... because it doesn't work, in fact the result is an empty value: instead, if I do the same thing with $json( instead of $placeBean), the code works perfectly. I Think the issue is some missing chars, which are placed in$json, and not in $placeBean.

Those are the echo of the variables

ECHO OF JSON ->{"id":1841,"name":"Milano","areaCode":"MI","latitude":0,"longitude":0}

ECHO OF placeBean -> placeBean{"id":1841,"name":"Milano","areaCode":"MI","latitude":0,"longitude":0}

I Also tried to use json_last_error, which gave me this : - Syntax error, malformed

try to use correct string - the string you are trying to parse isn't a valid json php.net/manual/en/function.json-last-error.php — RidgeA
– RidgeA, Commented Feb 18, 2018 at 15:05
The problem is that the string inside $json, is a simple copy/paste of echo($placeBean ); — Alessandro Pierro
– Alessandro Pierro, Commented Feb 18, 2018 at 15:07
this is the dump string(32) ""{"id":1841,"name":"Milano","areaCode":"MI","latitude":0,"longitude":0}"" bool(false) — Alessandro Pierro
– Alessandro Pierro, Commented Feb 18, 2018 at 15:13
Somewhere its adding an extra doublequotes on the string value. What is the exact 'raw' output of php in your browser when you do: echo $placeBean; and echo $json; after those two lines you show at the start of your question? — IncredibleHat
– IncredibleHat, Commented Feb 18, 2018 at 15:15

Wanderson Silva · Accepted Answer · 2018-02-18 18:06:51Z

0

Well, the first one is not a valid JSON object, for this PHP refuses to parse it.

When you run it though AngularJS it will actually use its own mechanism and replaces the string with the data returned by the masterCtrl.getLastplace() call.

answered Feb 18, 2018 at 18:06

Wanderson Silva

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2 Comments

Alessandro Pierro Over a year ago

I am still stucked on this... I understand why the var-dump has different lenght... that is why if I use addcslashes on the two strings, I got for the $json, the correct value, while for the $placeBean , I got this : {{\m\a\s\t\e\r\C\t\r\l.\g\e\t\L\a\s\t\p\l\a\c\e();}}

Wanderson Silva Over a year ago

What I mean is, when you call $json, this function relies on local data and internal logic for transpiling the string with a function call into a valid JavaScript object. The PHP code does not expect this kind of behaviour and does not implement the logic for so. This way, you will not be able to have the PHP code do behave the same as an Angular specific code.

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