Как вывести двумерный массив php?

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$array = [
    ['a', 'b', 'c'],
    ['d', 'e', 'f'],
    ['g', 'h', 'i']
];

for ($i = 0; $i < count($array); $i++) {
    for ($j = 0; $j < count($array[$i]); $j++) {
        echo $array[$i][$j] . ' ';
    }
    echo "
";
}

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a b c
d e f
g h i

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$array = [
    ['a', 'b', 'c'],
    ['d', 'e', 'f'],
    ['g', 'h', 'i']
];

foreach ($array as $row) {
    foreach ($row as $cell) {
        echo $cell . ' ';
    }
    echo "
";
}

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$array = array(
    array(1, 2, 3),
    array(4, 5, 6),
    array(7, 8, 9)
);

foreach ($array as $row) {
    foreach ($row as $value) {
        echo $value . ' ';
    }
    echo "";
}

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