PHPoC provides predefined constants as following below.
| Name | Description |
|---|---|
| COUNT_NORMAL | Normal Counting for one-dimension array |
| COUNT_RECURSIVE | Recursive Counting for multi-dimension array |
| EPIPE | Broken Pipe, Returning as connection is broken while sending TCP data |
| EBUSY | Device or Resource Busy |
| ENOENT | No file entry |
| FALSE | False |
| M_PI | Pi (≒ 3.1415926535898) |
| M_E | Euler's Constant (≒ 2.718281828459) |
| MAX_STRING_LEN | Maximum length of a string |
| O_NODIE | avoid to terminate script execution: file open |
| PHP_VERSION_ID | PHPoC Version |
| SEEK_CUR | File pointer position: current position of file |
| SEEK_END | File pointer position: at the end of file |
| SEEK_SET | File pointer position: at the beginning of file |
| SSL_CLOSED | SSL status: not connected |
| SSL_CONNECTED | SSL status: connected |
| SSL_LISTEN | SSL status: wait for connection |
| TRUE | True |
| TCP_CLOSED | TCP status: not connected |
| TCP_CONNECTED | TCP status: connected |
| TCP_LISTEN | TCP status: wait for connection |