如题 我以前学JS的 数组 下标 不需要加'' 而是PHP数组下标 必须加引号么 我试了 没加'' 也能输出苹果...
数据分析师2017-09-30 22:59:34
What is the difference between $arr[0] and $arr['0']? -PHP Chinese website Q&A-What is the difference between $arr[0] and $arr['0']? -PHP Chinese website Q&A
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