The SplFileInfo::getGroup() function is an inbuilt function of Standard PHP Library (SPL) in PHP which is used to get the file group.
Syntax: 
 
int SplFileInfo::getGroup( void)
Parameters: This function does not accept any parameter.
Return Value: This function returns an integer which contains group id.
Below programs illustrate the SplFileInfo::getGroup() function in PHP:
Program 1: 
 
PHP
<?php// PHP Program to illustrate // Splfileinfo getGroup function  // Create new SPlFileInfo Object$file = new SplFileInfo("gfg.txt");  // Print resultprint_r($file->getGroup());  ?> | 
Output: 
 
0
Program 2: 
 
php
<?php// PHP program to use array to check multiple files   $GFG = array (    "/home/rajvir/Desktop/neveropen/dummy.php",    "/home/rajvir/Desktop/gfg.txt",    "/var/www/html/gfg.php",    "demo.c");   foreach ($GFG as $file_name) {           // Create new SPlFileInfo Object    $file = new SplFileInfo($file_name);           // Print result    print_r($file->getGroup());      }?> | 
Output: 
 
1000
Reference: http://php.net/manual/en/splfileinfo.getgroup.php
 
