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  1. <html> 
  2. <head></head> 
  3. <body> 
  4. <?php 
  5. class Average{ 
  6.     var $samples; //配列
  7.  
  8.     function Average(){ 
  9.       $this->samples = array(); 
  10.     }
  11.  
  12.     //追加 
  13.     function add($value){ 
  14.       $this->samples[sizeof($this->samples)] = $value; 
  15.     }
  16.  
  17.     //配列件数表示 
  18.     function countValues(){ 
  19.       return sizeof($this->samples); 
  20.     }
  21.  
  22.     //最大値 
  23.     function getMax(){ 
  24.       $max = 0; 
  25.       foreach ($this->samples as $value) { 
  26.         if ($max < $value) { 
  27.           $max = $value; 
  28.         } 
  29.       } 
  30.       return $max; 
  31.     }
  32.  
  33.     //平均値 
  34.     function getAverage(){ 
  35.      if(0 == sizeof($this->samples)){ 
  36.         return 0; 
  37.       } 
  38.       $sum = 0; 
  39.       foreach ($this->samples as $value) { 
  40.         $sum += $value; 
  41.       } 
  42.       return $sum / sizeof($this->samples); 
  43.     } 
  44. } 
  45. $avg = new Average; 
  46. for ($i=1; $i <=10 ; $i++) { 
  47.   $avg->add($i); 
  48. } 
  49. echo $avg->getAverage(); 
  50. ?>
  51.  
  52. </body> 
  53. </html>
Success #stdin #stdout 0.03s 52480KB
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<html> 
<head></head> 
<body> 
5.5
</body> 
</html>
https://ideone.com/UyxT6B
language:
PHP (php 7.3.5)
created:
7 years ago
visibility:
public

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