| 
<?php
 /**
 * This file is part of the CodeIgniter 4 framework.
 *
 * (c) CodeIgniter Foundation <admin@codeigniter.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
 
 if (! function_exists('is_cli'))
 {
 /**
 * Is CLI?
 *
 * Test to see if a request was made from the command line.
 * You can set the return value for testing.
 *
 * @param  boolean $newReturn return value to set
 * @return boolean
 */
 function is_cli(bool $newReturn = null): bool
 {
 // PHPUnit always runs via CLI.
 static $returnValue = true;
 
 if ($newReturn !== null)
 {
 $returnValue = $newReturn;
 }
 
 return $returnValue;
 }
 }
 
 |