I cannot figure how to to dynamically add values to an array

Question

How can I rewrite this please as I tried a few things and I just dont know the correct way to do it. Instead of:

$files_to_zip = array(
    1,
    4,
    8
);

How can that be rewritten so that:

$explode_mods  = "1,4,8";
$mod_nums = explode(",", $explode_mods);

$files_to_zip = $mod_nums;

Basically $files_to_zip still needs to be in array format but I don't know how to only display each value into an array for the $files_to_zip variable. This is part of a larger script and I am almost done so please do not show me a totally different code I just need $files_to_zip to be read as an array still. The $explode_mods will actually be a $_POST value in the real script where I enter numbers separated by commas and they will be inserted into the $files_to_zip array. Thank you.

I don't understand your problem. $files_to_zip (and $mod_nums) will be an array, containing the the elements 1, 4, and 8. — Felix Kling
– Felix Kling, Commented Sep 16, 2011 at 7:30
I took the hint from the title, with "add values".. Let's see if I'm correct :) — chelmertz
– chelmertz, Commented Sep 16, 2011 at 7:33

chelmertz · Accepted Answer · 2011-09-16 07:32:33Z

1

I think I read your question correctly: you already have other entries in $files_to_zip which you want to merge with $explode_mods?

Try this:

$files_to_zip = array('some', 'entries', 'here', 'already');
$explode_mods = "1,4,8";
$files_to_zip = array_merge($files_to_zip, explode(',', $explode_mods));
var_dump($files_to_zip);

answered Sep 16, 2011 at 7:32

chelmertz

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2 Comments

John Jenkins Over a year ago

Hello, I edited my original topic. I think you may have me going in the right direction, still a little more tweaking. I basically want $files_to_zip to be an array that I can insert values into from a form. I just tried: $explode_mods = trim($_POST['mods']); $files_to_zip = array_merge(explode(",", $explode_mods)); and it almost worked

chelmertz Over a year ago

You will have to explain "an array that I can insert values into from a form" a bit more, I think.

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