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<?php var_dump(escapeshellarg('Rahm/Reha & Care')); var_dump(escapeshellcmd('Rahm/Reha & Care'));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(18) "'Rahm/Reha & Care'" string(17) "Rahm/Reha \& Care"