1/1〜12/31を出力する

via. http://d.hatena.ne.jp/sotarok/20080126/1201358891

<?php

$start = strtotime('1/1');
$end = strtotime('12/31');
for ($ts = $start; $ts <= $end; $ts += 86400) {
    echo strftime("%m/%d\n", $ts);
}

ichii386@elmo% bash -c 'export TZ=JST; time php aho.php > /dev/null'                                          

real    0m0.035s
user    0m0.030s
sys     0m0.005s

ichii386@elmo% bash -c 'export TZ=utc; time php aho.php > /dev/null'                                          

real    0m0.019s
user    0m0.014s
sys     0m0.005s

TZ=utc はやいね。くわしくは

% ltrace -o aho php aho.php