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以下哪個符號對應于邏輯OR運算符？注意 | 和 || 的區(qū)別
|
||
^
&&
在空格中輸入恰當?shù)闹?，使最終打印的$a為10，$b為18；
<?php $a =
; $b =
; $a += 2; --$b; echo $a; echo $b;
1
/2
繼續(xù)
正確
錯誤
