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@NogDogAug 15.2020 — #
Yep. This was my initial reaction: why store it as a string when you can store it as an array?
But if you really want to store it that way, then you could have fun with regular expressions:
Array With Count in Session
I’ve been using a session to store items for a shopping cart, making a “string” of ID’s all separated by a “/’ thats saved in my session.
When I add a item, I explode it into an array by the /. Then do an in_array check and array_push. Worked well.
I’m now wanting to keep a count as well. Maybe ID{Count}. for example 33{43]/61{1}/
This doesn’t work because splitting into an array doesn’t leave me with a unique array value as the count will vary.
Ideas please.
The issue is
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@NogDogAug 15.2020 — #>@Sempervivum#1622153 AFAIK it's possible to store arrays in a session, no need for converting it to a string.
Yep. This was my initial reaction: why store it as a string when you can store it as an array?
But if you really want to store it that way, then you could have fun with regular expressions:
<i>
</i><?php
$test = '1{2}/12{1}/123{4}';
preg_match_all('#(?:^|/)(d+){(d+)}#', $test, $matches);
print_r($matches);
// Array
// (
// [0] => Array
// (
// [0] => 1{2}
// [1] => /12{1}
// [2] => /123{4}
// )
// [1] => Array
// (
// [0] => 1
// [1] => 12
// [2] => 123
// )
// [2] => Array
// (
// [0] => 2
// [1] => 1
// [2] => 4
// )
// )
$data = [];
foreach($matches[1] as $ix => $id) {
$data[] = ['id' => $id, 'count' => $matches[2][$ix]];
}
print_r($data);
// Array
// (
// [0] => Array
// (
// [id] => 1
// [count] => 2
// )
// [1] => Array
// (
// [id] => 12
// [count] => 1
// )
// [2] => Array
// (
// [id] => 123
// [count] => 4
// )
// )