Question

I have a string like this:

$string = "1,4|2,64|3,0|4,18|";

Which is the easiest way to access a number after a comma?

For example, if I have:

$whichOne = 2;

If whichOne is equal to 2, then I want to put 64 in a string, and add a number to it, and then put it back again where it belongs (next to 2,)

Hope you understand!

Answer 1

genesis’es answer with modification

$search_for = 2;
$pairs = explode("|", $string);
foreach ($pairs as $index=>$pair)
{
    $numbers = explode(',',$pair);
    if ($numbers[0] == $search_for){
        //do whatever you want here
        //for example:
        $numbers[1] += 100; // 100 + 64 = 164
        $pairs[index] = implode(',',$numbers); //push them back
        break;
    }
}
$new_string = implode('|',$pairs);