回答編集履歴
2
修正
answer
CHANGED
|
@@ -17,8 +17,8 @@
|
|
|
17
17
|
|
|
18
18
|
```
|
|
19
19
|
|
|
20
|
-
#
|
|
20
|
+
#修正
|
|
21
|
-
|
|
21
|
+
preg_replace()で十分でした
|
|
22
22
|
```php
|
|
23
23
|
$html=<<<eof
|
|
24
24
|
<html>
|
|
@@ -29,9 +29,7 @@
|
|
|
29
29
|
|
|
30
30
|
eof;
|
|
31
31
|
$pattern="/<(title)>(.*?)<\/\\1>/i";
|
|
32
|
-
$replacement=function($m){
|
|
33
|
-
|
|
32
|
+
$replacement="\\0".PHP_EOL."<h1>\\2</h1>";
|
|
34
|
-
};
|
|
35
|
-
$html=
|
|
33
|
+
$html=preg_replace($pattern,$replacement,$html);
|
|
36
34
|
print nl2br(htmlspecialchars($html));
|
|
37
35
|
```
|
1
追記
answer
CHANGED
|
@@ -15,4 +15,23 @@
|
|
|
15
15
|
}
|
|
16
16
|
print nl2br(htmlspecialchars($html));
|
|
17
17
|
|
|
18
|
+
```
|
|
19
|
+
|
|
20
|
+
#追記
|
|
21
|
+
もしくはpreg_replace_callback()で置換
|
|
22
|
+
```php
|
|
23
|
+
$html=<<<eof
|
|
24
|
+
<html>
|
|
25
|
+
<test>
|
|
26
|
+
<title>文字列Ａ</title>
|
|
27
|
+
<test>
|
|
28
|
+
</html>
|
|
29
|
+
|
|
30
|
+
eof;
|
|
31
|
+
$pattern="/<(title)>(.*?)<\/\\1>/i";
|
|
32
|
+
$replacement=function($m){
|
|
33
|
+
return $m[0].PHP_EOL."<h1>".$m[2]."</h1>";
|
|
34
|
+
};
|
|
35
|
+
$html=preg_replace_callback($pattern,$replacement,$html);
|
|
36
|
+
print nl2br(htmlspecialchars($html));
|
|
18
37
|
```
|