posix_isatty
Description
The posix_isatty of POSIX for PHP determines if a file descriptor is an interactive terminal.
Syntax
posix_isatty( resource|int $file_descriptor ): bool
Parameters
file_descriptor
The file descriptor, which is expected to be either a file resource or an int. An int will be assumed to be a file descriptor that can be passed directly to the underlying system call.
Return
Returns true if file_descriptor is an open descriptor connected to a terminal and false otherwise.
Links
Related
POSIX
- posix_access
- posix_ctermid
- posix_eaccess
- posix_errno
- posix_fpathconf
- posix_get_last_error
- posix_getcwd
- posix_getegid
- posix_geteuid
- posix_getgid
- posix_getgrgid
- posix_getgrnam
- posix_getgroups
- posix_getlogin
- posix_getpgid
- posix_getpgrp
- posix_getpid
- posix_getppid
- posix_getpwnam
- posix_getpwuid
- posix_getrlimit
- posix_getsid
- posix_getuid
- posix_initgroups
- posix_kill
- posix_mkfifo
- posix_mknod
- posix_pathconf
- posix_setegid
- posix_seteuid
- posix_setgid
- posix_setpgid
- posix_setrlimit
- posix_setsid
- posix_setuid
- posix_strerror
- posix_sysconf
- posix_times
- posix_ttyname
- posix_uname