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run code in 300+ PHP versions simultaneously
<?php $p='/dir/dir2/dir3/'; $p = rtrim($p, '/'); echo $p;
based on YWhOP
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.26, 7.4.0 - 7.4.13, 8.0.0 - 8.0.3
/dir/dir2/dir3