I have an array structure like below.
//var_dump($data):
array(5) {
[0]=> string(1) "1"
[1]=> string(1) "2"
[2]=> string(4) "4=13"
[3]=> string(1) "4"
[4]=> string(3) "1=4"
}
Here value 1 and 4 has extension. So I need to get those values.
i.e Final output should be
$data = array(1,4);