March 2017
Intermediate to advanced
364 pages
9h 45m
Japanese
Content preview from 初めてのPHP
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299
19
章
コマンドライン
PHP
通常、Web クライアントからのリクエストに応えて Web サーバが PHP エンジンを起動します。
しかし、PHP エンジンは手元のマシンでコマンドラインユーティリティとして実行することもで
きます。これまで本書のすべてのコード例を実行しているなら、PHPUnit と Composer を使用す
る際は PHP をコマンドラインプログラムとして実行していることになります。
コマンドラインでの使用を目的としたPHP プログラムを書くのは、Web サイトでの使用を目的
とした PHP プログラムを書くのとは少し異なります。文字列操作、JSON や XML の処理、ファイ
ルの操作などのすべての関数を同様に使えますが、フォームやURL データを受信することはあり
ません。その代わりに、コマンドライン引数から情報を取得します。標準的な
print
命令文は、コ
ンソールにデータを出力します。次の「19.1 コマンドラインP
HPプログラムを書く」では、コマ
ンドライン PHP プログラムの書き方の基本を示します。
PHP エンジンは、コマンドラインでPHP を実行することで起動できるミニWeb サーバも備えて
います。「19.2 PHP の組み込みWeb サーバの使用」では、組み込み Web サーバの機能を説明しま
す。組み込み Web サーバは手軽にテストするのに便利です。
コマンドラインでの PHP の別の便利な用途は、別名 REPL（Read-Eval-Print Loop ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.