The role of the chgrp() function in PHP is to change the user group to which a file or directory belongs.

chgroup() function updates the file group. Remember, only superuser has permission to arbitrarily change the file's group,

Syntax

chgroup($file_path, group)

Parameters

• file_path - Set the path of the file or directory to be checked. Required.

• group -Set the new user group name or number.

Return

chgroup() function returns.

• Return True on success, False on failure
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Example

The following example checks the file "one.txt" and changes its filegroup.

<?php
   $file_path1 = "/themes/myfiles/one.php";
   $file_path2 = "/themes/myfiles/two.php";
   // changing groups of two files
   chgrp($file_path1, "admin");
   chgrp($file_path2, "guest");
?>

Output

TRUE
TRUE

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