ページの作成

ページの作成

親となるページを選択してください。

ページは必ず何かしらの親ページに紐づきます。
親ページに紐づくページを子ページといいます。
例: 親=スポーツ, 子1=サッカー, 子2=野球

子ページを親ページとして更に子ページを作成することも可能です。
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親ページはいつでも変更することが可能なのでとりあえず作ってみましょう!
テンプレートを更新

25. 【PHP】Webスクレイピング

Webスクレイピングとは?

WebサイトのHTMLを取得する技術。

用途としてはデータ収集、分析が主。

コピーサイトを比較的簡単に作れてしまう等するので、取り扱いに注意。

各プログラミング言語に合わせてスクレイピング用のライブラリが大抵はあるのでそれを使うと楽にできる。

サイト側の利用規約で禁止されているケースが多いので要注意。

子ページ
  1. phpQueryの導入と使い方
同階層のページ
  1. インストール方法
  2. 文法
  3. Composerのインストール
  4. 内部関数
  5. フレームワーク
  6. エラー一覧
  7. 改行出力
  8. printとechoの違い
  9. シングルクォートとダブルクォートの違い
  10. returnとyieldの違い
  11. var_dumpをログ出力
  12. CSV読み込み
  13. 待機・処理の遅延
  14. ログファイルにエラーを出力する方法
  15. エラーログ出力関数
  16. URLパラメータの配列化
  17. empty, is_null. issetの判定比較表
  18. httpステータスコードの付与
  19. バージョンの確認
  20. php.ini
  21. APIを呼び出す方法
  22. 外部ファイルを呼び出す方法
  23. カンマ区切りの文字列を配列に変換
  24. 配列からランダムに値を取り出す方法
  25. Webスクレイピング

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