Benchmark for arrayaccess vs object access for PHP classes

gistfile1.txt

//test.class.php
<?php
class Test implements ArrayAccess
{
    private $data = array();
    
    public function __set($key, $value){
        $this->data[$key] = $value;
    }
        
    public function __get($key){
        return $this->data[$key];
    }
    
    public function offsetExists($offset) {
        
    }

    public function offsetGet($offset) {
        return $this->__get($offset);
    }

    public function offsetSet($offset, $value) {
        $this->__set($offset, $value);
    }

    public function offsetUnset($offset) {
        
    }
}



//benchmark.php;
<?php
error_reporting(E_ALL);
 ini_set("display_errors", 1);
 
include "test.class.php";

echo "array access style: ".time()."<br>";
for($i=0 ; $i < 900000; $i++)
{
    $test = new Test();
    $test["a"] = "test a";
    $test["b"] = "test b";
    $test["c"] = "test c";
    $temp      =  $test["a"];
    $temp      =  $test["b"];
    $temp      =  $test["c"];
}
echo time()."<br>";

echo "function call style: ".time()."<br>";
for($i=0 ; $i < 900000; $i++)
{
    $test = new Test();
    $test->__set("a", "test a");
    $test->__set("b", "test b");
    $test->__set("c", "test c");
    $temp    =  $test->__get("a");
    $temp    =  $test->__get("b");
    $temp    =  $test->__get("c");
}
echo time()."<br>";

echo "Objec property style: ".time()."<br>";
for($i=0 ; $i < 900000; $i++)
{
    $test = new Test();
    $test->a = "test a";
    $test->b = "test b";
    $test->c = "test c";
    $temp    = $test->a;
    $temp    = $test->b;
    $temp    = $test->c;
}
echo time()."<br>";