PHP pseudo-random number and real random number details. PHP pseudo-random number and real random number details this article mainly introduces PHP pseudo-random number and real random number details, this article first explains the concept of real
PHP pseudo random number and true random number detailed, pseudo random number detailed
The first thing to declare is that the computer does not produce an absolute random number, and the computer can only produce "pseudo-random numbers". In fact,
This article mainly introduces PHP's pseudo-random number and real random number details. This article first explains the concepts related to the real random number and pseudo-random number, and gives the comparison using mt_rand () an example code
This article mainly introduces PHP's pseudo-random number and real random number details. This article first explains the concepts related to the real random number and pseudo-random number, and gives the comparison using mt_rand () an example code
This paper mainly introduces the pseudo-random number and the real random number of PHP, this paper first explains the relevant concepts of true random number and pseudo-random number, and gives a example code that produces better pseudo-random
This article mainly introduces the pseudo random number and the true random number of PHP, this paper first explained the concept of true random number and pseudo random number, and gave a better pseudo-random number than using Mt_rand () function
The first thing to declare is that the computer does not produce an absolutely random random number, and the computer can only produce "pseudorandom numbers". In fact, the absolute random random number is only an ideal random number, even if the
Php image function example (not original ). The following is a method: if (! Function_exists (imagecreate) {die (this server does not support the GD module);} if not, how can I configure it? Download the dll file of the gd module and modify the
Home users may have used Chinaren's transcript. Not long ago, the system added a method to its guestbook to prevent bumping, that is, every time the system generates an image consisting of random numbers and letters, you must enter these random
Php array random value, php array value. Php array random values. The php array value array_rand () is useful when you want to extract one or more random units from the array. It accepts input as an input array and an optional php array random value.
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