PHP は 2 次元配列と 3 次元配列をフィルターします。php 2 次元配列 array_PHP チュートリアル
- WBOYオリジナル
- 2016-07-12 08:57:161130ブラウズ
PHP フィルターの 2 次元配列と 3 次元配列、PHP の 2 次元配列 array
<span> 1</span> <?<span>php
</span><span> 2</span>
<span> 3</span> <span>$arr</span> =<span> [
</span><span> 4</span> [1,3,5,7,9],
<span> 5</span> [2,4,6,8,0<span>]
</span><span> 6</span> <span> ];
</span><span> 7</span> <span>$arr2</span> =<span> [
</span><span> 8</span> 'list' =><span> [
</span><span> 9</span> [1,3,5,7],
<span>10</span> [2,4,6,8],
<span>11</span> [3,2,9,0],
<span>12</span> <span> ]
</span><span>13</span> <span> ];
</span><span>14</span> <span>$arr3</span> =<span> [
</span><span>15</span> 'list' =><span> [
</span><span>16</span> [1,3,5,7],
<span>17</span> [2,4,6,8],
<span>18</span> [3,2,9,0<span>]
</span><span>19</span> <span> ]
</span><span>20</span> <span> ];
</span><span>21</span>
<span>22</span> <span>$res</span> = <span>array_map</span>(<span>function</span>(<span>$arr</span><span>){
</span><span>23</span> <span>return</span> <span>array_filter</span>(<span>$arr</span>, <span>function</span>(<span>$v</span><span>) {
</span><span>24</span> <span>return</span> <span>$v</span> !== 5<span>;
</span><span>25</span> <span> });
</span><span>26</span> }, <span>$arr</span><span>);
</span><span>27</span>
<span>28</span> <span>$res2</span> = <span>array_map</span>(<span>function</span>(<span>$val</span><span>) {
</span><span>29</span> <span>return</span> <span>array_filter</span>(<span>$val</span>, <span>function</span>(<span>$v</span><span>) {
</span><span>30</span> <span>return</span> !<span>in_array</span>(6, <span>$v</span><span>);
</span><span>31</span> <span> });
</span><span>32</span> }, <span>$arr2</span><span>);
</span><span>33</span>
<span>34</span> <span>$res3</span> =<span> [];
</span><span>35</span> <span>array_walk</span>(<span>$arr3</span>, <span>function</span>(<span>$val</span>, <span>$key</span>) <span>use</span>(&<span>$res3</span><span>) {
</span><span>36</span> <span>$res3</span>[<span>$key</span>] = <span>array_filter</span>(<span>$val</span>, <span>function</span>(<span>$v</span><span>) {
</span><span>37</span> <span>return</span> !<span>in_array</span>(6, <span>$v</span><span>);
</span><span>38</span> <span> });
</span><span>39</span> <span> });
</span><span>40</span>
<span>41</span> <span>var_dump</span>(<span>$res2</span><span>);
</span><span>42</span> <span>var_dump</span>(<span>$res3</span>);
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