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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
7.4
 データの検証
125
return array($errors, $input);
}
validate_form()
が入力とエラーの両方を返している場合、
validate_form()
を呼び出すコード
はそれを考慮するように修正します。 7-8を修正して
validate_form()
から返される両方の配列
を処理できるようにしたコードの最初の部分を例7-14 に示します。
7-14
 エラーと変換した入力データの処理
//
リクエストメソッドに応じて適切な処理を行うロジック
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
// validate_form()
がエラーを返したら、そのエラーを
show_form()
に渡す
list($form_errors, $input) = validate_form();
if ($form_errors) {
show_form($form_errors);
} else {
process_form($input);
}
} else {
show_form();
}
例7-14 は、
list()
使
validate_form()
す。
validate_
form()
は必ず2 つの要素(最初の要素は空の場合もあるエラーメッセージの配列で、2 つ目の要素
は変換した入力データの配列)を持つ配列を返すことがわかっているので、
list($form_errors, ...
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Publisher Resources

ISBN: 9784873117935Other