在php类的公共函数中访问数组元素 [英] Accessing array element within public function in a php class
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问题描述
试图弄清楚如何在PHP类中使用具有公共功能的数组元素。已经审查了已经相似的问题,但无法解决问题。
Trying to figure out how to work with array elements with a public function inside a PHP class. Have reviewed already similar questions, but without being able to resolve the issue. Below is what I have so far.
class myClass
{
public $inputNumber = 27;
public $inputArray = array(1, 2, 4);
public $outputArray = array($inputArray[0]*$inputNumber, $inputArray[1]*$inputNumber, $inputArray[2]*$inputNumber);
public function printOutput()
{
return "1st value is " . $this->outputArray[0] . "<br>";
return "2nd value is " . $this->outputArray[1] . "<br>";
return "3rd value is " . $this->outputArray[2] . "<br>";
}
}
$obj = new myClass;
echo $obj->printOutput();
推荐答案
您还可以使用定义的值。
You can also use defined values. other wise good to pass in constructor
<?php
class myClass
{
public $inputNumber = 27;
public $inputArray = array(1, 2, 4);
public $outputArray = array();
function __construct() {
$this->outputArray= array($this->inputArray[0]*$this->inputNumber,
$this->inputArray[1]*$this->inputNumber,
$this->inputArray[2]*$this->inputNumber
);
}
public function printOutput()
{
$output = "1st value is " . $this->outputArray[0] . "<br>";
$output .= "2nd value is " . $this->outputArray[1] . "<br>";
$output .= "3rd value is " . $this->outputArray[2] . "<br>";
return $output;
}
}
$obj = new myClass;
echo $obj->printOutput();
此处是正在运行的代码段: https://ideone.com/miOQJB
here is running snippet: https://ideone.com/miOQJB
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