This example of chgrp()  function in PHP. The chgrp() function is used to change the group permission for the file. To use the example you have to provide the name of the file and the group name to the chgrp() function. This function can be used to change the group from PHP file.

syntax 

bool chgrp ($file ,$group)

Change the filename's  current user group  to  other usergroup .It works on Unix based o/s.

Return true or false 

code

<?php

$a=chgrp("c:/rose1/ss.java","admin");

echo $a;

?>

output 

1

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