On January 29, 2003 04:35 pm, Shane Caraveo wrote:
> What's the benchmark code? How is the benchmark difference on large
> text (ie. 100K of text) vs. small text (1K or smaller)?
Attached is the benchmark script that I've used. I've intentionally used
'small' strings, since that is what I imagine is most common usage of the
function.
Ilia
<?php
$input[] = array('hfdhffndfafjdfjasfjas;fjdas;fjdsafjas;fjas', 'das', '1234');
$input[] = array('Used the form above or our advanced search page to make sure
nobody has reported the bug already.', 'or', 'OR');
$input[] = array('Once you\'ve double-checked that the bug you\'ve found
hasn\'t already been reported, and that you have collected all the information you
need to file an excellent bug report, you can do so on our bug reporting page.',
'XYS', '1234');
$input[] = array('dfkfjgjdsgjdgfd', 'dfkfjgjdsgjdgfd', '13243');
$input[] = array('xif pleh ot tnaw lliw enoemos taht gub a troper ot woh no
spit ruo daeR', 'Read our tips on how to report a bug that someone will want to help
fix', '13243');
function getmicrotime()
{
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
$start = getmicrotime();
for ($i = 0; $i < 100000; $i++) {
foreach($input as $ent) {
str_replace($ent[1], $ent[2], $ent[0]);
}
}
$end = getmicrotime();
echo "str_replace took: ".($end - $start)."\n";
foreach($input as $key => $val) {
$input[$key][1] = '!' . $val[1] . '!';
}
$start = getmicrotime();
for ($i = 0; $i < 100000; $i++) {
foreach($input as $ent) {
preg_replace($ent[1], $ent[2], $ent[0]);
}
}
$end = getmicrotime();
echo "preg_replace took: ".($end - $start)."\n";
foreach($input as $key => $val) {
$input[$key][1] .= 'i';
}
$start = getmicrotime();
for ($i = 0; $i < 100000; $i++) {
foreach($input as $ent) {
preg_replace($ent[1], $ent[2], $ent[0]);
}
}
$end = getmicrotime();
echo "preg_replace(i) took: ".($end - $start)."\n";
?>
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