Resource Types
Direct IO Functions
Direct IO
PHP Manual

# Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

`F_DUPFD` (integer)
`F_GETFD` (integer)
`F_GETFL` (integer)
`F_GETLK` (integer)
`F_GETOWN` (integer)
`F_RDLCK` (integer)
`F_SETFL` (integer)
`F_SETLK` (integer)
`F_SETLKW` (integer)
`F_SETOWN` (integer)
`F_UNLCK` (integer)
`F_WRLCK` (integer)
`O_APPEND` (integer)
`O_ASYNC` (integer)
`O_CREAT` (integer)
`O_EXCL` (integer)
`O_NDELAY` (integer)
`O_NOCTTY` (integer)
`O_NONBLOCK` (integer)
`O_RDONLY` (integer)
`O_RDWR` (integer)
`O_SYNC` (integer)
`O_TRUNC` (integer)
`O_WRONLY` (integer)
`S_IRGRP` (integer)
`S_IROTH` (integer)
`S_IRUSR` (integer)
`S_IRWXG` (integer)
`S_IRWXO` (integer)
`S_IRWXU` (integer)
`S_IWGRP` (integer)
`S_IWOTH` (integer)
`S_IWUSR` (integer)
`S_IXGRP` (integer)
`S_IXOTH` (integer)
`S_IXUSR` (integer)

Resource Types
Direct IO Functions
Direct IO
PHP Manual