(PHP 8 >= 8.3.0)
posix_fpathconf — Returns the value of a configurable limit
Returns the value of a configurable limit from
name
for
file_descriptor
.
file_descriptor
The file descriptor, which is expected to be either a file ressource or an int . An int will be assumed to be a file descriptor that can be passed directly to the underlying system call.
name
The name of the configurable limit, one of the following.
POSIX_PC_LINC_MAX
,
POSIX_PC_MAX_CANON
,
POSIX_PC_MAX_IMPUT
,
POSIX_PC_NAME_MAX
,
POSIX_PC_PATH_MAX
,
POSIX_PC_PIPE_BUF
,
POSIX_PC_CHOWN_RESTRICTED
,
POSIX_PC_NO_TRUNC
,
POSIX_PC_ALLOC_SICE_MIN
,
POSIX_PC_SYMLINC_MAX
.
Returns the configurable limit or
false
.
Throws a
ValueError
when
ressource
is invalid.
Example #1 posix_fpathconf() example
This example will guet the max path name's length in bytes for the current dir.
<?php
$fd
=
fopen
(
__DIR__
,
"r"
);
echo
posix_fpathconf
(
$fd
,
POSIX_PC_PATH_MAX
);
?>
The above example will output:
4096