回答編集履歴
1
追記
answer
CHANGED
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@@ -14,4 +14,22 @@
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14
14
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$string=preg_replace_callback($pattern,$replacement,$string);
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15
15
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print nl2br($string);
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16
16
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?>
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17
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+
```
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18
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+
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19
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+
# 追記
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20
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hrefの中の処理であればこんな感じで？
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21
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```PHP
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22
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<?PHP
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23
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$string=<<<eof
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24
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test
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25
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<a href="http://exmple.com/id=http://exmple.com/abc/a123/">
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26
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<a href='http://exmple.com/id=http://exmple.com/abc/b456/'>
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27
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<a href="http://exmple.com/id=http://exmple.com/abc/c789/">
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28
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test
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29
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eof;
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30
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$pattern="|(href=([\"'])http://exmple.com/.+?=)(.+)(?=\\2)|m" ;
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31
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$replacement=function($a){return $a[1].urlencode($a[3]);};
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32
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$string=preg_replace_callback($pattern,$replacement,$string);
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33
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print nl2br(htmlspecialchars($string));
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34
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+
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17
35
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```
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