How to convert Php array into a Javascript array and draw in Highcharts

Question

I am currently having problem converting from Php array to Javascript array, My array in php looks like this:

    Array
(
    [0] => 2019-01-10-12:15,1
    [1] => 2019-01-10-12:15,1.5
    [2] => 2019-01-10-12:15,2.1
    [3] => 2019-01-10-12:15,1.3

)

And I have tried so many way I have found online but with no luck (such as json_encode and then JSON.parse). I need to convert above into a JS array. Struggle for a long time but could not figure out. Thank you!

var a = <?php echo json_encode($array); ?>; generally works (no quotes, no parsing the json), how did you try using it. IE> can you show us the Javascirpt code your trying to put it into. — ArtisticPhoenix
– ArtisticPhoenix, Commented Jan 16, 2019 at 22:35
I don't know why if I used json_encode() it automatically generate quotes on my Php array. It looked like jsArr = new Array("["2019-01-10-12:15,1\r","2019-01-10-12:15,1.5\r","2019-01-10-12:15,2.1\r","2019-01-10-12:15,1.3\r"]"); and giving me Uncaught SyntaxError: missing ) after argument list — Yifdaddy
– Yifdaddy, Commented Jan 16, 2019 at 22:54
What's this new Array( Not needed as it's already an array. — ArtisticPhoenix
– ArtisticPhoenix, Commented Jan 16, 2019 at 22:55
I have removed new Array(), and now I have "Uncaught SyntaxError: Unexpected number". — Yifdaddy
– Yifdaddy, Commented Jan 16, 2019 at 22:59
I found why, it is the problem of quotes, I should use " instead of '. Thanks — Yifdaddy
– Yifdaddy, Commented Jan 16, 2019 at 23:18

NoSkill · Accepted Answer · 2019-01-16 23:33:12Z

1

You should use in PHP:

$js = json_encode($obj);

In JavaScript:

var obj = JSON.parse(' ... YOUR JSON STRING FROM PHP ... ');

==================

Your code:

var obj = new Array('["2019-01-10-12:15,1\r", .... "2019-01-10-12:15,1.3\r"]');

will result nested arrays.

answered Jan 16, 2019 at 23:33

NoSkill

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Comments

Jack Bashford · Accepted Answer · 2019-01-16 22:41:56Z

0

If you're using PHP, json_encode should work perfectly - just assign it to a variable like so:

var myArray = <?php echo json_encode($myArray); ?>;

answered Jan 16, 2019 at 22:41

Jack Bashford

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6 Comments

Yifdaddy Over a year ago

I have tried this method but it gave me Uncaught SyntaxError: missing ) after argument list var jsArr = new Array("["2019-01-10-12:15,1\r","2019-01-10-12:15,1.5\r","2019-01-10-12:15,2.1\r","2019-01-10-12:15,1.3\r"]");

Jack Bashford Over a year ago

In Javascript or in PHP?

Yifdaddy Over a year ago

It is giving me Uncaught SyntaxError: missing ) after argument list from JS, and after using js array. it looked like jsArr = new Array("["2019-01-10-12:15,1\r","2019-01-10-12:15,1.5\r","2019-01-10-12:15,2.1\r","2019-01-10-12:15,1.3\r"]");

Jack Bashford Over a year ago

Well, that is an error in your JavaScript code - and the array is working as well. Please post the rest of your JavaScript code so we may identify any additional errors.

Yifdaddy Over a year ago

This js file contains only this line so far, I was trying to convert from Php array into Js array then draw the graphthrough Highcharts.

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