preg_matchall

$regex = "/[a-zA-Z]+ (\d+)/";
$input\_str = "June 24, August 13, and December 30";
if (preg\_match\_all($regex, $input\_str, $matches\_out)) {
    // Output: 2
    echo count($matches\_out);
    // Output: 3
    echo count($matches\_out[0]);
    // Output: Array("June 24", "August 13", "December 30")
    print\_r($matches\_out[0]);
    // Output: Array("24", "13", "30")
    print\_r($matches\_out[1]);
}