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for循环++i效率，for循环i效率

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Release： 2016-06-16 09:16:40
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for循环++i效率，for循环i效率

偶然用到for循环 注意查看了一下 ++i的速度更快 这是PHP语言独有的 其他语言不会有这种情况

Related labels：
for loop
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