回答編集履歴
2
a
test
CHANGED
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@@ -20,9 +20,11 @@
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20
20
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21
21
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```php
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22
22
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23
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+
$haystack = file_get_contents('haystack.txt');
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24
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+
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23
25
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$needle = 'http://example.com/example.html';
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24
26
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25
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-
if (strpos(
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27
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+
if (strpos($haystack, $needle) !== false) {
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26
28
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27
29
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echo '見つかりました';
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28
30
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1
a
test
CHANGED
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@@ -15,3 +15,21 @@
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15
15
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16
16
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17
17
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- [strpos](http://php.net/manual/ja/function.strpos.php)
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18
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+
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19
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+
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20
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+
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21
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```php
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22
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+
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23
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+
$needle = 'http://example.com/example.html';
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24
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+
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25
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+
if (strpos(file_get_contents('haystack.txt'), $needle) !== false) {
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26
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27
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echo '見つかりました';
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28
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+
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29
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} else {
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30
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+
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31
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echo '見つかりませんでした';
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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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+
```
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