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PHP implements simple probability test

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Release： 2023-03-18 21:14:02

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This article mainly introduces a simple probability-related code implemented in PHP. It analyzes the principles and usage skills of probability statistics through digital operations. Friends in need can refer to it. I hope to be helpful.

The details are as follows:

<?php
for($i=1;$i<100000;$i++){
$x=mt_rand(0,100);
if($x<20){
$a=$a+1;
}
else{
if($x<50){
$b=$b+1;
}
else{
$c=$c+1;
}
}
}
echo $a . &#39;<br />&#39;;
echo $b . &#39;<br />&#39;;
echo $c . &#39;<br />&#39;;
?>

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Output result:

##19589

29795
50615

The key is mt_rand( 0,100)

Reflect the probability through the number of occurrences of $a $b $c

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Related labels：

php Probability test

source：php.cn

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