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<?php $test = array( array('a' => 'testA', 'b' => 'testB'), array('a' =>'testC', 'b' => 'testD') ); print_r(array_values($test)['a']);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "a" in /in/HVreI on line 9

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