Test performance of parse_url with or without @ + version check

profiler_parse_url.php

<?php

header('Content-Type: text/plain');
error_reporting(E_ALL);

$url = 'http://username:password@hostname/path?arg=value#anchor';
$iterations = 100000;

//initialization
$x = parse_url($url);
$i = 0;

//-------------------------------------------------


$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $x = parse_url($url);
}
$end = microtime(true);
echo 'parse_url without @:                 '.($end - $start)."\n";
//-------------------------------------------------


$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $x = @parse_url($url);
}
$end = microtime(true);
echo 'parse_url with @:                    '.($end - $start)."\n";
//-------------------------------------------------


$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $x = PHP_VERSION_ID <= 50302 ? @parse_url($url) : parse_url($url);
}
$end = microtime(true);
echo 'parse_url version check(tern):       '.($end - $start)."\n";
//-------------------------------------------------


$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $x = PHP_VERSION_ID > 50302 ? parse_url($url) : @parse_url($url);
}
$end = microtime(true);
echo 'parse_url version check(tern2):      '.($end - $start)."\n";
//-------------------------------------------------


$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    if (PHP_VERSION_ID <= 50302) {
        $x = @parse_url($url);
    } else {
        $x = parse_url($url);
    }
}
$end = microtime(true);
echo 'parse_url version check(if):         '.($end - $start)."\n";
//-------------------------------------------------


$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    if (PHP_VERSION_ID < 50303) {
        $x = @parse_url($url);
    } else {
        $x = parse_url($url);
    }
}
$end = microtime(true);
echo 'parse_url version check(if2):        '.($end - $start)."\n";
//-------------------------------------------------


$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    if (PHP_VERSION_ID > 50302) {
        $x = parse_url($url);
    } else {
        $x = @parse_url($url);
    }
}
$end = microtime(true);
echo 'parse_url version check(if3):        '.($end - $start)."\n";
//-------------------------------------------------


function parseUrl1($url)
{
    if (PHP_VERSION_ID > 50302) {
        return parse_url($url);
    }
    return @parse_url($url);
}

$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $x = parseUrl1($url);
}
$end = microtime(true);
echo 'parse_url version check(func call1): '.($end - $start)."\n";
//-------------------------------------------------


function parseUrl2($url)
{
    if (PHP_VERSION_ID <= 50302) {
        return @parse_url($url);
    }
    return parse_url($url);
}

$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $x = parseUrl2($url);
}
$end = microtime(true);
echo 'parse_url version check(func call2): '.($end - $start)."\n";
//-------------------------------------------------


function parseUrl3($url)
{
    if (PHP_VERSION_ID <= 50302) {
        return @parse_url($url);
    } else {
        return parse_url($url);
    }
}

$start = microtime(true);
for ($i = 0; $i < $iterations; $i++) {
    $x = parseUrl3($url);
}
$end = microtime(true);
echo 'parse_url version check(func call3): '.($end - $start)."\n";
//-------------------------------------------------