compare 2 strings, subtract the same characters and return the new values

Viewed 296

i have two strings, it can be more then two may be 5 or 6

 $a =  2012-05-18 usr abc removed device id=858 sn=abc cmmac=000 drumac=123
 $b =  2012-05-18 usr abc removed device id=858 sn=abc cmmac=000 drumac=12352015-03-26 usr mabdel001c removed device id=814 sn=abcd cmmac=1234 drumac=000

i need help i need a function or any way that when i compare $a with $b it should only returns me string like below

$remaining = '2015-03-26 usr mabdel001c removed device id=814 sn=abcd cmmac=1234 drumac=000';

i tried this function with no luck if (strcmp($var1, $var2) === 0) {

3 Answers
Related