Social Security Number Disguise

Question

I have a social security number that looks like this:

1234567890

I want to show it as follows:

###-##-7890

So, basically, masking the first five digits and entering hyphens.

How can i do this? Thank.

Answer 1

$number = '###-##-'.substr($ssn, -4);

just make the start part a string and concat that with the last 4 digits. Either this, or do it in the request itself, asSELECT CONCAT('###-##-', RIGHT(ssn, 4)) FROM customer...

Answer 2

This will take the last 4 numbers and mask the rest:

$number = "1234567890";
$number = "###-##-" . substr($number, -4);

Answer 3

$ssno = substr_replace($ssno, '#####-', 0, 6);

Answer 4

$number = "1234567890";
$number = "###-##-".$number[7].$number[8].$number[9].$number[10];