posix_pathconf constants

POSIX_PC_LINK_MAX (int)

The maximum number of links a given file or directory can have. Available as of PHP 8.3.0.

POSIX_PC_MAX_CANON (int)

The maximum number of bytes in a terminal canonical input buffer (pathname being then a character special file). Available as of PHP 8.3.0.

POSIX_PC_MAX_INPUT (int)

The maximum number of bytes of a terminal input queue (pathname being then a character special file). Available as of PHP 8.3.0.

POSIX_PC_NAME_MAX (int)

The maximum number of characters for a file name alone, not its path. Available as of PHP 8.3.0.

POSIX_PC_PATH_MAX (int)

The maximum number of characters for a full path name. Available as of PHP 8.3.0.

POSIX_PC_PIPE_BUF (int)

The maximum number of bytes that can be written to a pipe in one operation. Available as of PHP 8.3.0.

POSIX_PC_CHOWN_RESTRICTED (int)

If privileges are required to be allow chown to work. Available as of PHP 8.3.0.

POSIX_PC_NO_TRUNC (int)

If a file name (or files under a directory) is longer than POSIX_PC_NAME_MAX. Available as of PHP 8.3.0.

POSIX_PC_ALLOC_SIZE_MIN (int)

The minimum number of bytes of storage allocated for any portion of a file. Available as of PHP 8.3.0.

POSIX_PC_ALLOC_SYMLINK_MAX (int)

The maximum number of symbolic links a given file or directory can have. Available as of PHP 8.3.0.