$a = '111111,222222';
$b = 222;
// $b = strval($b);
var_dump(strpos($a, $b));// false
Note the use of the function, the incoming variable needs to be converted into a string
$a = '111111,222222';
$b = 222;
// $b = strval($b);
var_dump(strpos($a, $b));// false
Note the use of the function, the incoming variable needs to be converted into a string