(PHP 8 >= 8.3.0)
posix_pathconf — Returns the value of a configurable limit
This function is currently not documented; only its argument list is available.
Returns the value of a configurable limit from name
for a path
path
The name of the file whose limit you want to get.
name
The name of the configurable limit, one of the following.
POSIX_PC_LINK_MAX
, POSIX_PC_MAX_CANON
,
POSIX_PC_MAX_INPUT
, POSIX_PC_NAME_MAX
,
POSIX_PC_PATH_MAX
, POSIX_PC_PIPE_BUF
,
POSIX_PC_CHOWN_RESTRICTED
, POSIX_PC_NO_TRUNC
,
POSIX_PC_ALLOC_SIZE_MIN
, POSIX_PC_SYMLINK_MAX
.
Returns the configurable limit or false
.
Throws a ValueError
when path
is empty.
Example #1 posix_pathconf() example
This example will get the max path name's length in bytes for the tmp dir.
<?php
echo posix_pathconf(sys_get_temp_dir(), POSIX_PC_PATH_MAX);
?>
The above example will output:
4096