Find the exact word position in string

Question

Let\'s say I have a string.

$string = red,green,blue,yellow,black;

Now I have a variable which is the position of the word I am searching f

Answer 1

If you know that your words will be separated by commas you can do something like:

$key = 2;
$string = "red,green,blue,yellow,black";
$arr = explode(",",$string);
echo $arr[$key];