回答編集履歴
3
追記
test
CHANGED
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@@ -73,3 +73,11 @@
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73
73
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var_dump($keeplist);
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74
74
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75
75
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```
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76
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+
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77
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+
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78
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+
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79
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+
---
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80
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+
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81
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+
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82
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+
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83
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+
コメントにもある通り、クッキーのような外部からくる値を `unserialize` するのは危険なので `json_encode/json_decode` を使うほうが良いです。
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2
修正
test
CHANGED
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@@ -52,7 +52,17 @@
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52
52
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53
53
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$value = $_GET['keep_in'];
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54
54
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55
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+
if (isset($keeplist[$value])) {
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56
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+
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57
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unset($keeplist[$value]);
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58
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+
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59
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} else {
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60
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+
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55
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-
$keeplist[$value] = $value;
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61
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+
$keeplist[$value] = $value;
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62
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+
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63
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}
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64
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+
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65
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+
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56
66
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57
67
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setcookie("keeplist", serialize($keeplist), time()+60*60*24*30, "/");
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58
68
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1
追記
test
CHANGED
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@@ -21,3 +21,45 @@
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21
21
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$keeplist = unserialize($_COOKIE["keeplist"]);
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22
22
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23
23
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```
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24
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+
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25
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26
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27
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---
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28
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+
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29
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+
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30
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31
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+
例外処理とか無視した最小限で書くと下記のような感じです。
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32
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+
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33
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+
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34
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+
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35
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+
```lang-php
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36
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+
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37
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+
<?php
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38
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+
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39
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+
$keeplist = array();
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40
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+
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41
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+
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42
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+
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43
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+
if (isset($_COOKIE['keeplist'])) {
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44
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+
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45
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+
$keeplist = unserialize($_COOKIE["keeplist"]);
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46
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+
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47
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}
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48
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+
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49
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+
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50
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+
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51
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+
if (isset($_GET['keep_in'])) {
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52
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+
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53
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+
$value = $_GET['keep_in'];
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54
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+
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55
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+
$keeplist[$value] = $value;
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56
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+
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57
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+
setcookie("keeplist", serialize($keeplist), time()+60*60*24*30, "/");
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58
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+
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59
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}
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60
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+
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61
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+
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62
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+
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63
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+
var_dump($keeplist);
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64
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+
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65
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+
```
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