[請益] PHP中Mysql的指令看不太懂
不好意思,我有google了,
但是我實在想不到搜尋關鍵字要怎麼下
可以請問這行sql指令再說什麼嗎?
SELECT name FROM table123 WHERE id='{$arr_num}'
我不了解的地方是
$arr_num 用{}包起來有特別含意嗎?
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