PHP try-catch パフォーマンステスト

test.php

try-catch non Exception
<?php

$time = microtime(TRUE);

$arr = array();
foreach (range(1, 1000000) as $i) {
    try {
        $arr[$i] = $i;
        // throw new Exception("foo");
    } catch (Exception $e) {
    }
}

$ms = round((microtime(TRUE) - $time) * 1000);
print_r(array('microtime' => $ms));

?>
<br />
try-catch throw new Exception

<?php

$time = microtime(TRUE);

$arr = array();
foreach (range(1, 1000000) as $i) {
    try {
        $arr[$i] = $i;
        throw new Exception("foo");
    } catch (Exception $e) {
    }
}

$ms = round((microtime(TRUE) - $time) * 1000);
print_r(array('microtime' => $ms));

?>
<br />
non try-catch
<?php
$time = microtime(TRUE);

$arr = array();
foreach (range(1, 1000000) as $i) {
        $arr[$i] = $i;
}

$ms = round((microtime(TRUE) - $time) * 1000);
print_r(array('microtime' => $ms));
?>

<br />