PHP ʖ²ἯTH º󍋼/A Ղ 7. Ѝ ջЍ ӯ·¨ decimal: [1-9][0-9]* | 0 hexadecimal: 0[xX][0-9a-fA-F]+ octal: 0[0-7]+ integer: [+-]?decimal | [+-]?hexadecimal | [+-]?octal ¾¯¸漯B var_dump(25/7); // float(3.5714285714286) var_dump((int) (25/7)); // int(3) var_dump(round(25/7)); // float(4) ת»»ΪջЎ ´ӼA HREF="language.types.float.html" ¸¡µ㊽ת»» ¾¯¸漯B echo (int) ((0.1+0.7) * 10); // ϔʾ 7£¡ ´ӆ䋼 Ѝת»» עҢ º󍋼/A ưµ㼯A ɏһ¼¶