posix_pathconf
PHP function
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(PHP 8 >= 8.3.0)
Returns the value of a configurable limit
Description
posix_pathconf(string $path, int $name): int|false
Func
Returns the value of a configurable limit from name for a path
Parameters
pathThe name of the file whose limit you want to get.
nameThe 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 path is empty.
Examples
posix_pathconf() example
This example will get the max path name's length in bytes for the tmp dir.
php
<?php
echo posix_pathconf(sys_get_temp_dir(), POSIX_PC_PATH_MAX);
?>The above example will output:
output
4096