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PHP winning probability algorithm function class

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PHP winning probability algorithm function classIntroducing a php winning probability algorithm function class. 
Classic probability algorithm,

 * $proArr is a preset array, 

 * Assume the array is: array(100,200,300,400), 

 * Start by screening the first number within the probability range of 1,1000 to see if it is within its occurrence probability range, 

 * If not, then the probability space, that is, the probability space of the number minus the value of k, 

 * In this example, 100 is subtracted, which means that the second number is filtered within the range of 1,900. 

 * In this way, until the end of the screening, there will always be a number that meets the requirements. 

 * It’s like going to touch something in a box, 

 * The first one is not, the second one is not, and the third one is not yet, then the last one must be. 

 * This algorithm is simple and very efficient, 

 * The key is that this algorithm has been applied in our previous projects, especially in projects with large amounts of data. The efficiency is very good.

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