How can I use PHP to generate 0.5 million non-repeated 8-bit Arabic numbers? Ask how to use PHP to generate 0.5 million non-repeated 8-bit Arabic numbers. How to write code? Help? Urgent .. Complete Code. Automatically press enter to empty rows .. Thank you for your reference .. Php random number ------ how does one use PHP to generate 0.5 million non-repeated 8-bit Arabic numbers?
Ask how to use PHP to generate 0.5 million non-repeated 8-bit Arabic numbers. How to write code? Help? Urgent .. Complete Code. Automatically press enter to empty rows .. Thank you for your reference ..
Php random number
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Function rand_num (& $ num)
{
$ N = rand (0000000,99999999 );
If (in_array ($ n, $ num ))
{
Rand_num (& $ num );
}
Return $ n;
}
For ($ I = 0; I I <500000; $ I ++)
{
$ Num [] = rand_num (& $ num );
}
Print_r ($ num );
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This post was last edited by xuzuning at 07:31:50
Rand_num (& $ num)
Change
Rand_num ($ num );
Php starts from 5.3, and reference cannot be passed explicitly.
Besides, your code is not properly written.
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Reference:
The maximum value on the second floor is 1049999, which obviously does not meet the requirements.
On the 4th floor, yes.
You should have written one fewer
