March 2017
Intermediate to advanced
364 pages
9h 45m
Japanese
Content preview from 初めてのPHP
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226
11
章 他の
Web
サイトやサービスとのやり取り
POST
リクエストで別の種類のデータを送る必要がある場合には、
Content-Type
ヘッダの値と
リクエストコンテンツのフォーマットを変更するだけです。例えば、JSON を送信するには、
header
オ プ シ ョ ン を
Content-Type: application/json
に 変 更 し、
content
オ プ シ ョ ン を
json_
encode($form_data)
に変更します。
PHP エンジンのさまざまなストリームタイプとサポートしているコンテキストオプションに関
する詳細情報は、http://www.php.net/context で入手できます。
組み込みのファイルアクセス関数を使ったURL の取得は簡潔で素晴らしいですが、リクエスト
時にエラーが発生すると対応が面倒です。エラーが発生すると、
file_get_contents()
は
false
を
返し、PHP エンジンは「
failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found
」
のようなエラーメッセージを表示します。次に説明する cURL 関数を使う理由の 1 つは、リクエス
トが成功しなかったときの処理を細かく制御できるからです。
11.2
cURL
を使った包括的な
URL
アクセス
file_get_contents()
関数は、特にコンテキストオプションと組み合わせると幅広い HTTP リク
エス ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.