March 2017
Intermediate to advanced
364 pages
9h 45m
Japanese
Content preview from 初めてのPHP
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.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.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.
240
12
章 デバッグ
致命的なエラー（FatalError）
定義されていない関数を呼び出すなどのプログラムの内容に関わる重大な問題。エンジ
ンは、致命的なエラーが発生するとプログラムの動作を停止する。
警告（Warning）
プログラム内に疑わしいところがあるとの勧告であるが、エンジンは動作を続けること
ができる。関数を呼び出すときに正しくない数の引数を使うと警告の原因となる。
注意（Notice）
マナーの専門家の役割を担う PHP エンジンからの助言。例えば、最初に変数をある値に
初期化せずに出力すると注意を生成する。
厳格注意（StrictNotice）または非推奨警告（DeprecationWarning）
コードの相互運用性や互換性を維持するためのコーディングスタイルについての PHP エ
ンジンからの変更や提案。または、将来の PHP バージョンでは機能しなくなるとの忠告。
上記の全種類のエラーを受け取る必要はないでしょう。
error_reporting
構成ディレクティブは、
PHP エンジンが報告するエラーの種類を制御します。
error_reporting
のデフォルト値は
E_ALL &
~E_NOTICE & ~E_STRICT
であり、注意と非推奨警告を除くすべてのエラーを報告するようにエンジ
ンに通知します。付録 A では、構成ディレクティブの値の
&
と
~
の意味を説明します。
PHP では
error_reporting
の値の設定に使用できる定数を定義し、特定の種類のエラーだけを報 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.