(PHP 4, PHP 5, PHP 7) Return login name string posix_getlogin ( void ) Returns the login name of the user owning the current process. Returns: Returns the login name of the user, as a string. Examples: Example use of posix_getlogin() <?php echo posix_getlogin(); //apache ?> See also:

(PHP 4, PHP 5, PHP 7) Return the group set of the current process array posix_getgroups ( void ) Gets the group set of the current process. Returns: Returns an array of integers containing the numeric group ids of the group set of the current process. Examples: Example use of posix_getgroups() <?php $groups = posix_ge

(PHP 4, PHP 5, PHP 7) Return info about a group by name array posix_getgrnam ( string $name ) Gets information about a group provided its name. Parameters: name The name of the group Returns: The array elements returned are: The group information array Element Description name The name element contains the name of the group. This is a short, usua

(PHP 4, PHP 5, PHP 7) Return info about a group by group id array posix_getgrgid ( int $gid ) Gets information about a group provided its id. Parameters: gid The group id. Returns: The array elements returned are: The group information array Element Description name The name element contains the name of the group. This is a short, usually less

(PHP 4, PHP 5, PHP 7) Return the real group ID of the current process int posix_getgid ( void ) Return the numeric real group ID of the current process. Returns: Returns the real group id, as an integer. Examples: posix_getgid() example This example will print out the real group id, even once the effective group id has bee

(PHP 4, PHP 5, PHP 7) Return the effective user ID of the current process int posix_geteuid ( void ) Return the numeric effective user ID of the current process. See also posix_getpwuid() for information on how to convert this into a useable username. Returns: Returns the user id, as an integer Examples: posix_geteuid() example

(PHP 4, PHP 5, PHP 7) Return the effective group ID of the current process int posix_getegid ( void ) Return the numeric effective group ID of the current process. Returns: Returns an integer of the effective group ID. Examples: posix_getegid() example This example will print out the effective group id, once it is changed

(PHP 4, PHP 5, PHP 7) Pathname of current directory string posix_getcwd ( void ) Gets the absolute pathname of the script's current working directory. On error, it sets errno which can be checked using posix_get_last_error() Returns: Returns a string of the absolute pathname on success. On error, returns FALSE and sets errno which can be checked with posix_get_last_error().

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Retrieve the error number set by the last posix function that failed int posix_get_last_error ( void ) Retrieve the error number set by the last posix function that failed. The system error message associated with the errno may be checked with posix_strerror(). Returns: Returns the errno (error number) set by the last posix function that failed. If no errors exist

(PHP 4 >= 4.2.0, PHP 5, PHP 7) Alias of posix_get_last_error() This function is an alias of: posix_get_last_error().