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<?php $form = ['foo'=>'bar']; echo "baz:$foo[bar]";
Output for git.master, git.master_jit
Warning: Undefined variable $foo in /in/Zeq7V on line 6 Warning: Trying to access array offset on value of type null in /in/Zeq7V on line 6 baz:
Output for rfc.property-hooks
Warning: Undefined variable $foo in /in/Zeq7V on line 6 Warning: Trying to access array offset on null in /in/Zeq7V on line 6 baz:

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