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![?? 演算子
(c) 2015 Masashi Shinbara @shin1x1
• 連想配列にキーが無ければ、右辺を返す
• キーが存在しなくても、Notice が出ない
$array = ['name' => 'Jun'];
echo $...](https://image.slidesharecdn.com/ltup-150727033449-lva1-app6892/75/PHP-7-WordPress-8-2048.jpg?cb=1666657956)
![修正した箇所
(c) 2015 Masashi Shinbara @shin1x1
PHP Parse error: syntax error, unexpected
'new' (T_NEW)
[修正] =& new Hoge -> = ne...](https://image.slidesharecdn.com/ltup-150727033449-lva1-app6892/75/PHP-7-WordPress-20-2048.jpg?cb=1666657956)
