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<?php error_reporting(-1); function myCheck($in) { return isset($in); } $var1='Something'; $var2='var1'; echo 'Set:' . isset($$var2), "\n"; $var2='nope'; echo 'Set:' . isset($$var2), "\n"; $var2='var1'; echo 'Set:' . myCheck($$var2), "\n"; $var2='nope'; echo 'Set:' . myCheck($$var2), "\n"; ?>
Output for git.master, git.master_jit, rfc.property-hooks
Set:1 Set: Set:1 Warning: Undefined variable $nope in /in/kaPhU on line 19 Set:

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