回答編集履歴
1
z が入ってなかった＾＾；
answer
CHANGED
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@@ -1,9 +1,8 @@
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1
1
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要件が全然わからんので適当に作ってみたｗ
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2
2
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```php
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3
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-
<?php
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4
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-
$classes = ['c1','b1','t1','t2','t3','t4','c2','c3','c5',];
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3
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+
$classes = ['c1','b1','t1','t2','t3','t4','c2','c3','c5','z5',];
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5
4
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$result = "";
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6
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-
for($i = "a"; $i
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5
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+
for($i = "a"; $i <= "z"; ++$i){
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7
6
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for($j = 0; $j < 10; ++$j){
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8
7
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if(in_array($i . $j, $classes)){
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9
8
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$result .= $i . $j . ", ";
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