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初めてのPHP
book

初めてのPHP

by David Sklar, 桑村 潤, 廣川 類, 木下 哲也
March 2017
Intermediate to advanced
364 pages
9h 45m
Japanese
O'Reilly Japan, Inc.
Content preview from 初めてのPHP
4.6
 まとめ
75
うな中括弧構文を使います。 4-33 では、補間のための中括弧を使って 4-32と同じ出力を作成
します。実際に例4-33 で異なる行は
print
命令文だけです。
4-33
 多次元配列要素値の補間
$specials = array( array('Chestnut Bun', 'Walnut Bun', 'Peanut Bun'),
array('Chestnut Salad','Walnut Salad', 'Peanut Salad') );
// $num_specials
2
$specials
の第
1
次元の要素数
for ($i = 0, $num_specials = count($specials); $i < $num_specials; $i++) {
// $num_sub
3
:各サブ配列の要素数
for ($m = 0, $num_sub = count($specials[$i]); $m < $num_sub; $m++) {
print "Element [$i][$m] is {$specials[$i][$m]}\n";
}
}
4.6
 まとめ
本章では次の内容を取り上げました。
配列構成要素(要素、キー、値)を理解する。
プログラムで 2 つの方法で配列を定義する:
array()
を使う方法と短縮配列構文を使う方法。
角括弧を使って配列に要素を追加する。
PHP で数値キーを持つ配列を扱う簡単な方法を理解する。
配列の要素数を数える。 ...
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Publisher Resources

ISBN: 9784873117935Other