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Asked: 2026-06-03T12:42:59+00:00

I have a bunch of parallel arrays in php $phoneNums = array(); $minutesUsed =

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I have a bunch of parallel arrays in php

$phoneNums = array();
$minutesUsed = array();
$plans = array();
$charges = array();

and I’m trying to put them in arrays in JS so I can access them and print values into the page

var phoneNums = <?php echo $phoneNums ?>;
var minutesUsed = <?php echo $minutesUsed ?>;
var plans = <?php echo $plans ?>;
var charge = <?php echo $charges ?>;

What ends up happening is my values end up as undefined. How would I pass an array from php to js this without using AJAX or JQuery?

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1 Answer

  1. Editorial Team

    Echoing a PHP array will not print its contents. Even if it would, it would not be in the same format that Javascript expects ([1,2,3]) – also, associative arrays in PHP work quite differently than JS, where they are objects ({'x':1,'y':2}).

    JSON is Javascript Object Notation. If you encode your data in JSON (in PHP, you can use json_encode() to do that), it will be absolutely acceptable for Javascript, so you can simply print it:

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

    Demo

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