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php -- 数组

2024-07-05 23:30:32   228人阅读

----- 021-array.php -----

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4     <meta http-equiv="content-type" content="text/html; charset=utf-8">
 5     <title>Array</title>
 6 </head>
 7 <body>
 8 <h2>Array</h2>
 9 <pre style="font-size:10pt">
10 <?php
11     $sheeps["灰太狼爱吃"] = "喜羊羊";
12     $sheeps["邋遢大王爱吃"] = "美羊羊";
13     $sheeps["熊大爱吃"] = "懒羊羊";
14     $sheeps["葫芦娃爱吃"] = "喜羊羊";
15     $sheeps["熊二爱吃"] = "美羊羊";
16     $sheeps["红太狼爱吃"] = "懒羊羊";
17     echo "\$是否为数组？", is_array($sheeps), "\n";
18     echo "是否包含喜羊羊？", in_array("喜羊羊", $sheeps), "\n";
19     echo "谁爱吃喜羊羊：", var_export(array_keys($sheeps, "喜羊羊")), "\n";
20     echo "有多少羊？", var_export(array_values($sheeps)), "\n";
21     echo "有没有邋遢大王爱吃的羊？", array_key_exists("邋遢大王爱吃", $sheeps), "\n";
22     echo "懒羊羊谁爱吃？", array_search("懒羊羊", $sheeps), "\n";
23 
24     array_push($sheeps, "沸羊羊");
25     array_unshift($sheeps, "慢羊羊");
26     echo "加上俩：", var_export($sheeps), "\n";
27     echo "填充到10个：", var_export(array_pad($sheeps, -10, "无名之羊")), "\n";
28     echo "去重后：", var_export(array_unique($sheeps)), "\n";
29     $temp = $sheeps;
30     sort($temp);
31     echo "排序后：", var_export($temp), "\n";
32     echo "哪只最好吃？", var_export(array_count_values($sheeps)), "\n";
33     //error_reporting(0);//不报告错误
34     echo "当前时间", date("Y年m月d日H时i分s秒", time()+28800),"\n";
35 ?>
36 </pre>
37 </body>
38 </html>


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