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<?php define(DS, '/'); $server_path = "/test1/test2/"; $server_path = str_replace(array('/', '\\'), DS, $server_path); $next_server_path = substr($server_path, 0, strrpos($server_path, DS)); var_dump($next_server_path); $server_path = "/test1/test2"; $server_path = str_replace(array('/', '\\'), DS, $server_path); $next_server_path = substr($server_path, 0, strrpos($server_path, DS)); var_dump($next_server_path);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Undefined constant "DS" in /in/qqb2Q:2 Stack trace: #0 {main} thrown in /in/qqb2Q on line 2
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant DS - assumed 'DS' (this will throw an Error in a future version of PHP) in /in/qqb2Q on line 2 string(12) "/test1/test2" string(6) "/test1"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20
Notice: Use of undefined constant DS - assumed 'DS' in /in/qqb2Q on line 2 string(12) "/test1/test2" string(6) "/test1"

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