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<?php $_GET['yk'] = 'aabb'; $get = '_GET'; $tmp = $$get; echo $tmp['yk']; //right class yk{ public function get(){ $get = '_GET'; $tmp = ${'_GET'}; echo $tmp['yk']; } public function get2(){ $get = 'Atmp'; $Atmp = 'bbaa'; $tmp = $$get; echo $tmp; } } $yk = new yk(); $yk->get(); //error Undefined variable: _GET
Output for git.master, git.master_jit, rfc.property-hooks
aabbaabb

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