Extract a single integer from a string

Question

I want to extract the digits from a string that contains numbers and letters like:

"In My Cart : 11 items"

I want to extract the nu

Answer 1

If you don't know which format the number is? int or floating, then use this :

$string = '$125.22';

$string2 = '$125';

preg_match_all('/(\d+.?\d+)/',$string,$matches); // $matches[1] = 125.22

preg_match_all('/(\d+.?\d+)/',$string2,$matches); // $matches[1] = 125