I have the following values:
$attached_products = "1,4,3";
I want to make an array that looks like:
$selected = array(1, 4, 3);
using a loop with my $attached_products.
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3 Answers
This could be done with a loop, but there's a simpler way.
You can break your string up around the commas using the explode function[php docs]. This will give you an array of strings of digits. You can convert each string to an integer by applying intval[php docs] using array_map[php docs].
$attached_products = "1,4,3";
$selected_strings = explode(',', $attached_products); # == array('1', '4', '3')
$selected = array_map('intval', $selected_strings); # == array(1, 4, 3)
You use explode() for that:
$selected = explode(", ", $attached_products);
Comments
If there may or may not be whitespace after the comma, you could use preg_split().
$selected = preg_split(/,\s*/, $attached_products);
Alternatively you could use explode(), trim() and array_map().
$selected = array_map('trim', explode(',', $attached_products));
If they must be integers, map them through intval().
