回答編集履歴
1
追記
answer
CHANGED
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@@ -4,4 +4,13 @@
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4
4
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$tmp = strtotime('+15 minute' , strtotime($time1));
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5
5
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$time2 = date('Y-m-d H:i:s',$tmp);
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6
6
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print $time2;
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7
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+
```
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8
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+
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9
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# 追記
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10
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ちなみに、これでもいいです
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11
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```PHP
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12
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$time1 = '20161118134323';
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13
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$tmp = strtotime($time1.'+15 minute');
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14
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$time2 = date('Y-m-d H:i:s',$tmp);
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15
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print $time2;
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7
16
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```
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