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

$str = '15 asdas 26 dasda 354 dasd 1';
preg_match_all('/\d+/', $str, $matches);
print_r($matches);

Answer 2

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"));

Answer 3

use preg_match: http://www.php.net/manual/en/function.preg-match.php

check examples at site bottom.

Answer 4

You can use preg_match_all():

$string = '15 asdas 26 dasda 354 dasd 1';
preg_match_all('/\b(\d+)\b/', $string, $numbers);

var_dump($numbers[1]);