回答編集履歴
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もう１パターン
test
CHANGED
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@@ -31,3 +31,31 @@
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31
31
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}, $definitions);
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32
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```
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34
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35
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36
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それかこういうことでしょうか？
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38
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39
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40
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41
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```php
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42
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function triangle_area($width, $height) {
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return $width * $height / 2;
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}
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$widths = [100, 200, 200];
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$heights = [200, 200, 400];
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$areas = array_map('triangle_area', $widths, $heights);
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```
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60
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