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<?php $arrayTest=array( array(true,true), array(true,false), array(true,false), array(false,true) ); print_r($arrayTest);
Output for 7.3.11 - 7.4.6
Array ( [0] => Array ( [0] => 1 [1] => 1 ) [1] => Array ( [0] => 1 [1] => ) [2] => Array ( [0] => 1 [1] => ) [3] => Array ( [0] => [1] => 1 ) )