在php中获取带有模式的子数组

<?php
// 原始数组
$array = array(
    'fruit' => array(
        'apple' => array(
            'color' => 'red',
            'taste' => 'sweet'
        ),
        'banana' => array(
            'color' => 'yellow',
            'taste' => 'sweet'
        )
    ),
    'vegetable' => array(
        'carrot' => array(
            'color' => 'orange',
            'taste' => 'crunchy'
        ),
        'broccoli' => array(
            'color' => 'green',
            'taste' => 'bitter'
        )
    )
);

// 获取带有模式的子数组
$pattern = '/^fruit/';
$filteredArray = array();

foreach ($array as $key => $value) {
    if (preg_match($pattern, $key)) {
        $filteredArray[$key] = $value;
    }
}

// 打印结果
print_r($filteredArray);
?>