August 2000
Intermediate to advanced
800 pages
13h 15m
English
Content preview from Core PHP Programming: Using PHP to Build Dynamic Web Sites
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Appendix B. ASCII CODES
The following table lists the first 128 characters of the ASCII code. PHP allows for ASCII codes in the range of 0 to 255, but above code 127 the representation differs across operating systems.
| Decimal | Hex | Character | Description |
|---|---|---|---|
| 0 | 00 | Null | |
| 1 | 01 | Start of Heading | |
| 2 | 02 | Start of Text | |
| 3 | 03 | End of Text | |
| 4 | 04 | End of Transmission | |
| 5 | 05 | Enquiry | |
| 6 | 06 | Acknowledge | |
| 7 | 07 | Bell | |
| 8 | 08 | Backspace | |
| 9 | 09 | Character Tabulation | |
| 10 | 0A | Line Feed | |
| 11 | 0B | Line Tabulation | |
| 12 | 0C | Form Feed | |
| 13 | 0D | Carriage Return | |
| 14 | 0E | Shift Out | |
| 15 | 0F | Shift In | |
| 16 | 10 | Datalink Escape | |
| 17 | 11 | Device Control One | |
| 18 | 12 | Device Control Two | |
| 19 | 13 | Device Control Three | |
| 20 | 14 | Device Control Four | |
| 21 | 15 | Negative Acknowledge | |
| 22 | 16 | Synchronous Idle | |
| 23 | 17 | End of Transmission Block | |
| 24 | 18 | Cancel | |
| 25 | 19 | End of Medium | |
| 26 | 1A | Substitute | |
| 27 | 1B | Escape | |
| 28 | 1C | File ... |
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