回答編集履歴
2
修正
test
CHANGED
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@@ -36,9 +36,9 @@
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36
36
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37
37
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38
38
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39
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-
#
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39
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+
#修正
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40
40
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41
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-
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41
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+
preg_replace()で十分でした
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42
42
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43
43
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```php
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44
44
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@@ -60,13 +60,9 @@
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60
60
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61
61
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$pattern="/<(title)>(.*?)<\/\\1>/i";
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62
62
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63
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-
$replacement=
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63
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+
$replacement="\\0".PHP_EOL."<h1>\\2</h1>";
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64
64
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65
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-
return $m[0].PHP_EOL."<h1>".$m[2]."</h1>";
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66
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-
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67
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-
};
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68
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-
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69
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-
$html=preg_replace
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65
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+
$html=preg_replace($pattern,$replacement,$html);
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70
66
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71
67
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print nl2br(htmlspecialchars($html));
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72
68
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1
追記
test
CHANGED
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@@ -33,3 +33,41 @@
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33
33
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34
34
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35
35
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```
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36
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+
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37
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38
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+
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39
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#追記
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40
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+
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41
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+
もしくはpreg_replace_callback()で置換
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42
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+
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43
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+
```php
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44
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+
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45
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$html=<<<eof
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46
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47
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<html>
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48
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+
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49
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<test>
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50
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51
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<title>文字列Ａ</title>
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52
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53
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<test>
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54
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55
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</html>
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56
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+
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57
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+
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58
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59
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eof;
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60
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+
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61
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$pattern="/<(title)>(.*?)<\/\\1>/i";
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62
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63
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$replacement=function($m){
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64
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65
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return $m[0].PHP_EOL."<h1>".$m[2]."</h1>";
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66
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67
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};
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68
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+
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69
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+
$html=preg_replace_callback($pattern,$replacement,$html);
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70
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71
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print nl2br(htmlspecialchars($html));
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72
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+
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73
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```
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