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@yohgaki
Created November 20, 2011 00:23
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PHP 5.4: Accessor with trait example
<?php
// Example code how to eliminate getter and setter methods
// with traits introduced from PHP 5.4
trait Accessors {
public function __get($name) {
if ($this->r_property[$name])
return $this->$name;
else
trigger_error("Access to read protected property");
}
public function __set($name, $value) {
if ($this->w_property[$name])
$this->$name = $value;
else
trigger_error("Access to write protected property");
}
}
class OrderLine {
use Accessors;
private $r_property = array('price'=>1, 'amount'=>1);
private $w_property = array('price'=>0, 'amount'=>1);
protected $price;
private $amount;
private $tax = 1.15; // property without getter/setter
public function getTotal() {
return $this->price * $this->amount * $this->tax;
}
}
$line = new OrderLine;
$line->price = 20;
$line->amount = 3;
echo "Total cost: ".$line->getTotal();
?>
@jon49
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jon49 commented Oct 16, 2014

How would you do inheritance with this (assuming you are using Accessor in both the parent and the child)? Or is it even possible?

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