Main.php

<?php
// Here your code !

$originCode = array(3, 5, 7);

$testNumber = array( 3, 5 );
$testNumberIndex = array(0, 0);
$testNumberAnswer = array();


$test = new matrixCalc();
$answerArray = array();

for($i=0; $i <= 7; $i++ ) {
    
   $answerArrayTmp = $test->matrix($i);
   echo $i . ": ";
   simpleEcho($answerArrayTmp);
   $answerArray = array_merge($answerArray,$answerArrayTmp);
}

sort($answerArray);
simpleEcho( $answerArray );



class matrixCalc {
    protected $targetNumber = array(3, 5);
    
    function __construct($targetDefault=null) {
        if( $targetDefault != null ) {
            self::$targetDefault = $targetDefault;
        }
    }
    
        
    
    function matrix($max) {
        $matrixAnswerList = array();
        $testNumberIndex = array($max, 0);
        for($i=$max; $i >= 0; $i-- ) {
            //simpleEcho($testNumberIndex);
            $matrixAnswerList[] = $this->powCalc($testNumberIndex);
            $testNumberIndex[0]--;
            $testNumberIndex[1]++;
        }
        
        return $matrixAnswerList;
    }
    
    function powCalc($calcArray) {
        $answerArray = array();
        $answerArray[0] = $this->targetNumber[0] ** $calcArray[0];
        $answerArray[1] = $this->targetNumber[1] ** $calcArray[1];
        return $answerArray[0] * $answerArray[1];
    }
}

function simpleEcho( $array ) {
    foreach($array as $value ) {
        echo $value. ", ";
    }
    echo "\n";
}

?>