Online PHP editor | output for fXAdW

@ 2016-06-08T01:21:04Z

<?php
class Average{ 
    var $samples; //配列

    function Average(){ 
      $this->samples = array(); 
    }

    //追加 
    function add($value){ 
      $this->samples[sizeof($this->samples)] = $value; 
    }

    //配列件数表示 
    function countValues(){ 
      return sizeof($this->samples); 
    }

    //最大値 
    function getMax(){ 
      $max = 0; 
      foreach ($this->samples as $value) { 
        if ($max < $value) { 
          $max = $value; 
        } 
      } 
      return $max; 
    }

    //平均値 
    function getAverage(){ 
     if(0 == sizeof($this->samples)){ 
        return 0; 
      } 
      $sum = 0; 
      foreach ($this->samples as $value) { 
        $sum += $value; 
      } 
      return $sum / sizeof($this->samples); 
    } 
} 
$avg = new Average; 
for ($i=1; $i <=10 ; $i++) { 
  $avg->add($i); 
} 
echo $avg->getAverage();

Output for 8.0.10 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($value) must be of type Countable|array, null given in /in/fXAdW:11 Stack trace: #0 /in/fXAdW(44): Average->add(1) #1 {main} thrown in /in/fXAdW on line 11
Process exited with code 255.
Output for 8.0.0 - 8.0.9: Fatal error: Uncaught TypeError: sizeof(): Argument #1 ($var) must be of type Countable|array, null given in /in/fXAdW:11 Stack trace: #0 /in/fXAdW(44): Average->add(1) #1 {main} thrown in /in/fXAdW on line 11
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Average has a deprecated constructor in /in/fXAdW on line 2 5.5
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.32 - 7.3.33: 5.5

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