PHP foreach with Nested Array?

Question

I have a nested array in which I want to display a subset of results. For example, on the array below I want to loop through all the values in nested array[1].

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Answer 1

foreach ($tmpArray as $innerArray) {
    //  Check type
    if (is_array($innerArray)){
        //  Scan through inner loop
        foreach ($innerArray as $value) {
            echo $value;
        }
    }else{
        // one, two, three
        echo $innerArray;
    }
}