Php/docs/function.posix-mknod
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posix_mknod
(PHP 5 >= 5.1.0, PHP 7)
posix_mknod — Create a special or ordinary file (POSIX.1)
Description
posix_mknod
( string $pathname
, int $mode
[, int $major = 0
[, int $minor = 0
]] ) : bool
Creates a special or ordinary file.
Parameters
pathname- The file to create
mode- This parameter is constructed by a bitwise OR between file type (one of the following constants:
POSIX_S_IFREG,POSIX_S_IFCHR,POSIX_S_IFBLK,POSIX_S_IFIFOorPOSIX_S_IFSOCK) and permissions. major- The major device kernel identifier (required to pass when using
S_IFCHRorS_IFBLK). minor- The minor device kernel identifier.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 A posix_mknod() example
<?php$file = '/tmp/tmpfile'; // file name$type = POSIX_S_IFBLK; // file type$permissions = 0777; // octal$major = 1;$minor = 8; // /dev/randomif (!posix_mknod($file, $type | $permissions, $major, $minor)) { die('Error ' . posix_get_last_error() . ': ' . posix_strerror(posix_get_last_error()));}?>
