回答編集履歴
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test
CHANGED
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@@ -3,3 +3,71 @@
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「うまくいきません」だけじゃなくて、
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エラーの内容も含めて書くようにしましょう。
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--- 追記 ---
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せっかくなんでコードも。
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動かなかったら申し訳ないってことで。(^_^;
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```PHP
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<?php
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$like = array(
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array('動物' => 'りす', '果物' => 'りんご', '飲み物' => 'コーラ'),
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array('動物' => 'ねこ', '果物' => 'みかん', '飲み物' => 'サイダー'));
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function myprint($val, $judge) {
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if ($judge) echo $val.'<br>';
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}
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function print_animal($val, $key) {
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myprint($val, ($key == '動物'));
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}
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function print_fruits($val, $key) {
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myprint($val, ($key == '果物'));
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}
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function print_drink($val, $key) {
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myprint($val, ($key == '飲み物'));
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}
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array_walk_recursive($like, 'print_animal');
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array_walk_recursive($like, 'print_fruits');
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array_walk_recursive($like, 'print_drink');
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/*
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下記でもいけるかな?
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array_walk_recursive($like, function($v,$k){myprint($v,($k=='動物'));});
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array_walk_recursive($like, function($v,$k){myprint($v,($k=='果物'));});
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array_walk_recursive($like, function($v,$k){myprint($v,($k=='飲み物'));});
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*/
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```
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