PHP extract all whole numbers into an array

Question

I have following string:

15 asdas 26 dasda 354 dasd 1

and all that i want is to extract all numbers from it into an array, so it will looks li

Answer 1

See this Demo

Solution 1 :

This solution use is_numeric function :

print_r(array_filter(split(" ", "15 asdas 26 dasda 354 dasd 1"),"is_numeric"));

Solution 2 :

This solution use your own function :

function is_number($var) { return !(0 == intval($var)); }
print_r(array_filter(split(" ", "15 asdas 26 dasda 354 dasd 1"),"is_number"));

Solution 3 :

To 5.3.0 and more, this solution use preg_split function :

print_r(array_filter(preg_split(" ", "15 asdas 26 dasda 354 dasd 1"),"is_numeric"));