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<?php function retVal() { return $GLOBALS['foo']; } function & retRef() { return & $GLOBALS['foo']; } $foo = 'init'; $bar = retRef(); $bar = 'bar'; var_dump($foo, $bar);
Output for 5.3.0 - 5.4.21
Parse error: syntax error, unexpected '&' in /in/gF5Th on line 10
Process exited with code 255.