RE: [PHP] echo vs printf
| From: | Kent Sandvik | Date: | Mon, 16 Jul 2001 17:50:24 +0000 |
| Subject: | RE: [PHP] echo vs printf | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-58093@lists.php.net to get a copy of this message | ||
> As I understand it, echo is not a function it's a
> language something or other, supposedly it runs
> slightly faster than print given the same output.
<?php
class xTimer{
var $time_start;
var $time_delta;
function Start(){
$this->time_start = $this->GetMicroTime();
}
function Stop(){
$time_end = $this->GetMicroTime();
$this->time_delta = $time_end - $this->time_start;
return $this->time_delta;
}
function GetMicroTime(){
list($usec, $sec) = explode(" ", microtime());
return ((float)$usec + (float)$sec);
}
}
print "echo vs print test<br>\n";
$string = "foo ";
$iter = 1000000;
$t = new xTimer;
$t->Start();
for($i = 0; $i < $iter; $i++){
print $string;
}
$print_time = $t->Stop();
$t->Start();
for($i=0; $i < $iter; $i++){
echo $string;
}
$echo_time = $t->Stop();
print "\n<br>print printing $iter times: $print_time<br>\n";
print "\n<br>echo printing $iter times: $echo_time<br>\n";
?>
Results:
Test1:
print printing 1000000 times: 2.829174041748
echo printing 1000000 times: 3.683454990387
Test2:
print printing 1000000 times: 3.131462931633
echo printing 1000000 times: 2.8942189216614
Test3:
print printing 1000000 times: 5.127711057663
echo printing 1000000 times: 5.5264019966125
HW, Dell rackmount Server, dual CPU running Linux 2.2.16.
--Kent