php 打印多维数组

<?php
// 定义一个二维数组
$matrix = [
    [1, 2, 3],
    [4, 5, 6],
    [7, 8, 9]
];

// 打印二维数组
foreach ($matrix as $row) {
    foreach ($row as $value) {
        echo $value . " ";
    }
    echo "\n";
}
?>

<?php
header('Content-Type: text/html; charset=utf-8');
// 定义一个二维数组
$matrix = [
    ['中文', '测试', '数据'],
    ['数组', '打印', '示例']
];

// 打印二维数组
foreach ($matrix as $row) {
    foreach ($row as $value) {
        echo $value . " ";
    }
    echo "\n";
}
?>

<?php
// 增加递归深度限制
ini_set('xdebug.max_nesting_level', 200);

// 定义一个多维数组
$deepMatrix = [
    [1, [2, [3, [4, [5]]]]]
];

// 打印多维数组
function printDeepArray($array, $indent = 0) {
    foreach ($array as $value) {
        if (is_array($value)) {
            printDeepArray($value, $indent + 2);
        } else {
            echo str_repeat(" ", $indent) . $value . "\n";
        }
    }
}

printDeepArray($deepMatrix);
?>