Example
asdad=213131233&mkmaosikdmnoacmaskldmakl%asdasdad&asdad=81248&aklsdnadnasdnjasdnjkandjk
Result
213131233
81248
Thank you!
Example
asdad=213131233&mkmaosikdmnoacmaskldmakl%asdasdad&asdad=81248&aklsdnadnasdnjasdnjkandjk
Result
213131233
81248
Thank you!
You can use preg_match_all, Working solution.
$str = "asdad=213131233&mkmaosikdmnoacmaskldmakl%asdasdad&asdad=81248&aklsdnadnasdnjasdnjkandjk
";
preg_match_all("~=(.*?)&~", $str, $out);
print_r($out[1]);
Result:
Array
(
[0] => 213131233
[1] => 81248
)