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![より速く、快適に
Athlon II X4 640 3.0GHz, Ubuntu 14.04 11
0
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PHP 5.4 PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.9
実行時間[s]
Z...](https://image.slidesharecdn.com/php2015-151002150115-lva1-app6891/75/PHP-2015-11-2048.jpg?cb=1666888864)
![PHP7: パーサ関連の変更
Abstract Syntax Tree (AST) ：パーサとコンパイラを分離
コード管理が容易→ 最適化、メモリ削減
変数構文の統一
16
$obj->$bar [‘foo’]
RFC: https:/...](https://image.slidesharecdn.com/php2015-151002150115-lva1-app6891/75/PHP-2015-16-2048.jpg?cb=1666888864)
