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/**
* test some performance between this and parent
*/
function microtime_float()
{
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
/*
$time_start = microtime_float();
///
$time_end = microtime_float();
$time = $time_end - $time_start;
*/
class base1{
public $a;
}
class base2{
public static $a;
}
class sonfrombase1 extends base1{
public function __construct($b) {
$this->a=$b;
}
public function run(){
for($i=0;$i<10000000;$i++){
$this->a++;
}
}
}
class sonfrombase2 extends base2{
public function __construct($b) {
parent::$a=$b;
}
public function run(){
for($i=0;$i<10000000;$i++){
parent::$a++;
}
}
}
$son1=new sonfrombase1(0);
$time_start = microtime_float();
$son1->run();
$time_end = microtime_float();
echo 'son1: ';
echo $time_end-$time_start;
echo '<br>';
$thistime=$time_end-$time_start;
$son2=new sonfrombase2(0);
$time_start = microtime_float();
$son2->run();
$time_end = microtime_float();
echo 'son2: ';
echo $time_end-$time_start;
echo '<br>';
$parenttime=$time_end-$time_start;
if($thistime>$parenttime){
echo "static has high performance: up to ";
echo ($thistime-$parenttime)/$parenttime;
echo "% time comsuming";
}
else{
echo "local has high performance: up to ";
echo ($parenttime-$thistime)/$thistime*100;
echo "% time comsuming";
}
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