posix_fpathconf
Returns the value of a configurable limit
Description
intfalse posix_fpathconf(resourceint $file_descriptor, int $name)
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.
-
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.
Return Values
Returns the configurable limit or false.
Errors/Exceptions
Throws a ValueError
when resource is invalid.
Examples
Example #1 posix_fpathconf example
This example will get 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: