posix_pathconf

(PHP 8 >= 8.3.0)

posix_pathconf — Returns the value of a configurable limit

posix_pathconf(string $path, int $name): int |false

Warning

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:

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