posix_getgrgid - PHP code example

PHP Function POSIX GetGrgid()

The php function posix_getgrgid() returns an array containing information about a group. The members element contains an array of the usernames of all members of the group whose gid is passed in the uid parameter. The name element contains the group's name if available (a short, usually less than 16 character "handle" of the group, not its real full name) and the passwd element contains the group's password in an encrypted format. On a system employing "shadow" passwords, an asterisk is returned instead.

POSIX functions are powerful APIs that allow PHP to interact with the underlying operating system at a much lower level. They can be used to manage processes, handle signals, and more.

This module provides an interface to those functions defined in the IEEE 1003.1 (POSIX.1) standards document that have been part of PHP 3 for a long time but were not previously available through an easy-to-use API. The module also defines some additional functions that are more system specific, such as filegroup().

The POSIX library is an essential tool for any PHP developer who wants to work with the underlying OS at a more low-level. In this article, we'll explore some of the most important POSIX functions to help you get started with your next project!

posix_getgrgid example

$this->markAsSkippedIfPosixIsMissing();

        $infos = stat($filepath);

        return $infos['gid'];
    }

    protected function getFileGroup($filepath)
    {
        $this->markAsSkippedIfPosixIsMissing();

        if ($datas = posix_getgrgid($this->getFileGroupId($filepath))) {
            return $datas['name'];
        }

        $this->markTestSkipped('Unable to retrieve file group name');
    }

    protected function markAsSkippedIfLinkIsMissing()
    {
        if (!\function_exists('link')) {
            $this->markTestSkipped('link is not supported');
        }

public function group( $file ) {
        $gid = @filegroup( $this->sftp_path( $file ) );

        if ( ! $gid ) {
            return false;
        }

        if ( ! function_exists( 'posix_getgrgid' ) ) {
            return $gid;
        }

        $grouparray = posix_getgrgid( $gid );

        if ( ! $grouparray ) {
            return false;
        }

        return $grouparray['name'];
    }

    /** * Copies a file. * * @since 2.7.0 * * @param string $source Path to the source file. * @param string $destination Path to the destination file. * @param bool $overwrite Optional. Whether to overwrite the destination file if it exists. * Default false. * @param int|false $mode Optional. The permissions as octal number, usually 0644 for files, * 0755 for dirs. Default false. * @return bool True on success, false on failure. */

public function group( $file ) {
        $gid = @filegroup( $file );

        if ( ! $gid ) {
            return false;
        }

        if ( ! function_exists( 'posix_getgrgid' ) ) {
            return $gid;
        }

        $grouparray = posix_getgrgid( $gid );

        if ( ! $grouparray ) {
            return false;
        }

        return $grouparray['name'];
    }

    /** * Copies a file. * * @since 2.5.0 * * @param string $source Path to the source file. * @param string $destination Path to the destination file. * @param bool $overwrite Optional. Whether to overwrite the destination file if it exists. * Default false. * @param int|false $mode Optional. The permissions as octal number, usually 0644 for files, * 0755 for dirs. Default false. * @return bool True on success, false on failure. */

clearstatcache();
            $v_size = sprintf("%011s", DecOct($v_info['size']));
        }

        $v_magic = 'ustar ';
        $v_version = ' ';
        $v_uname = '';
        $v_gname = '';

        if (function_exists('posix_getpwuid')) {
            $userinfo = posix_getpwuid($v_info[4]);
            $groupinfo = posix_getgrgid($v_info[5]);

            if (isset($userinfo['name'])) {
                $v_uname = $userinfo['name'];
            }

            if (isset($groupinfo['name'])) {
                $v_gname = $groupinfo['name'];
            }
        }

        $v_devmajor = '';