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モダンPHPアンチパターン | プログラムの種 ブログ
Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

モダンPHPアンチパターン


Warning: Use of undefined constant user_level - assumed 'user_level' (this will throw an Error in a future version of PHP) in /home/php-seed/www/blog/wp-content/plugins/ultimate-google-analytics/ultimate_ga.php on line 524

QiitaでモダンPHPアンチパターンが纏められていたのでメモ。

http://qiita.com/tadsan/items/157969b338fd8b782b21

なんでこれに行き着いたかってc++とphpのリファレンスの違いで混乱しちゃって
久々にPHPで参照渡しで速度&メモリを測ってみたら
普通に値渡しとパフォーマンスに差がない……というか参照渡しのほうが遅い、という結果になったので
色々調べてしまいました。

もう参照渡しは使わないぞ。
後、大量配列、大量ループでarray_shiftは遅いぞ。

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