格式
PHP 列印格式
| 類型 | 說明 | description |
|---|---|---|
| %% | 百分比 | Returns a percent sign |
| %b | 二進位 | Binary number |
| %c | ASCII | The character according to the ASCII value |
| %d | 有正負的十進制整數 | Signed decimal number (negative, zero or positive) |
| %e | 大寫指數 | Scientific notation using a lowercase (e.g. 1.2e+2) |
| %E | 小寫指數 | Scientific notation using a uppercase (e.g. 1.2E+2) |
| %u | 十進制正整數 | Unsigned decimal number (equal to or greather than zero) |
| %f | 浮點數 | Floating-point number (local settings aware) |
| %F | 浮點數 | Floating-point number (not local settings aware) |
| %g | %e and %f 簡寫 | shorter of %e and %f |
| %G | %E and %f 簡寫 | shorter of %E and %f |
| %o | 八進制 | Octal number |
| %s | 字串 | String |
| %x | 十六進制(小寫) | Hexadecimal number (lowercase letters) |
| %X | 十六進制(大寫) | Hexadecimal number (uppercase letters) |