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<?php $dir = '/administrator' === '/' ? '' : '/administrator' ; var_dump($dir); $parts = explode(DIRECTORY_SEPARATOR, $dir); array_pop($parts); // Defines define('JPATH_ROOT', implode(DIRECTORY_SEPARATOR, $parts)); var_dump(JPATH_ROOT);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
string(14) "/administrator" string(0) ""

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