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php基础3-第九期线上班作业(补11.13)
张智平
Original
639 people have browsed it

实例

<?php
//创建数组
$arr1 = array();
$arr2 = [1,
    2,
    3,
];
echo $arr2[2];

echo '<hr>';
//关联数组、索引数组,访问数组数据
$wh=[
   'hs' => '洪山区',
   'wc' => '武昌区',
   'xz' => '新洲区',
   'ja' => '江岸区',
   'hp' => '黄陂区',
];
print_r($wh);
echo $wh['hs'];
echo $wh['wc'];
echo '<hr>';

$wh=[
    '洪山区',
    '武昌区',
    '新洲区',
    '江岸区',
    '黄陂区',
];
print_r($wh);
echo $wh[2];
echo '<hr>';


//二维数组、三维数组
$wh=[
    '洪山区' => ['关山街',
        '狮子山街',
        '和平街',],
    '武昌区',
    '新洲区',
    '江岸区',
    '黄陂区',
];
print_r($wh);
echo $wh['洪山区'][0];
echo '<hr>';


//二维数组循环,三维数组循环
$wh=[
    'hs' => '洪山区',
    'wc' => '武昌区',
    'xz' => '新洲区',
    'ja' => '江岸区',
    'hp' => '黄陂区',
];

foreach ($wh as $v){
    echo $v;
    echo '<hr>';

}


$wh3=[
    ['hs' => ['关山街',
        '狮子山街',
        '和平街']],
    ['wc' => ['武昌区']],
    ['xz' => ['新洲区']],
    ['ja' => ['江岸区']],
    ['hp' => ['黄陂区']],
];
foreach ( $wh3 as $qu ){
    foreach ( $qu['hs'] as $jiedao ){
//        print_r($jiedao);
    echo $jiedao;

    }

echo '<hr>';
}

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Correcting teacher:天蓬老师天蓬老师

Correction status:qualified

Teacher's comments:完成的很认真, 内容可以改一下,不一定也是合肥市
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