如何在字符串中發現號碼存儲到在PHP

Question

數組給定一個字符串：

$string = "Hello, 1992 world! Today's 2016! That's 24 years!"; 

我如何解析字符串返回一個包含裏面所有的數字數組？

預期結果：

{1992,2016,24} 

Answer 1

使用preg_match_all()就可以實現你want-

$str = "Hello, 1992 world! Today's 2016! That's 24 years!"; 
preg_match_all('!\d+!', $str, $matches); 
print_r($matches); 

Online Example

Answer 2

$str = 'Hello, 1992 world! Today's 2016! That's 24 years!'; 
preg_match_all('!\d+!', $str, $matches); 
print_r($matches);