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<?php error_reporting(-1); function myCheckA($in) { return isset($in); } function myCheck($in) { return isset($GLOBALS[$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'; var_dump($$var2); echo 'Set: ' . myCheck($var2), "\n"; var_dump($$var2); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Set: 1 Set: Set: 1 Warning: Undefined variable $nope in /in/gstSv on line 26 NULL Set: Warning: Undefined variable $nope in /in/gstSv on line 28 NULL

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