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PHP/Æü»þ ¤Î¥Ð¥Ã¥¯¥¢¥Ã¥×(No.4)


PHP

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¥µ¡¼¥Ð¾å¤Ç¤Î¡¢1970ǯ1·î1Æü00»þ00ʬ00Éà GMT ¤«¤é¤Î·Ð²áÉÿô

// ¸½ºß¤Î¥¿¥¤¥à¥¹¥¿¥ó¥×¤ò¼èÆÀ
$iTimeStamp = time();
// »ØÄêÆü»þ¤Î¥¿¥¤¥à¥¹¥¿¥ó¥×¤ò¼èÆÀ
$iTimeStamp = mktime([int »þ[, int ʬ[, int ÉÃ[, int ·î[, int Æü[, ǯ]]]]]]);
// GMT»ØÄêÆü»þ¤Î¥¿¥¤¥à¥¹¥¿¥ó¥×¤ò¼èÆÀ
$iTimeStamp = gmmktime([int »þ[, int ʬ[, int ÉÃ[, int ·î[, int Æü[, ǯ]]]]]]);
// »ØÄêʸ»úÎó¤Î¥¿¥¤¥à¥¹¥¿¥ó¥×¤ò¼èÆÀ
$iTimeStamp = strtotime('2006-09-04 18:34:11')
// ¥Õ¥¡¥¤¥ëºÇ½ª¹¹¿·Æü»þ¤Î¥¿¥¤¥à¥¹¥¿¥ó¥×¤ò¼èÆÀ
$iTimeStamp = filemtime('index.html')

Æü»þʸ»úÎó¤Î¼èÆÀ

$strDate = date(¥Õ¥©¡¼¥Þ¥Ã¥Èʸ»úÎó[, ¥¿¥¤¥à¥¹¥¿¥ó¥×]);
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// ¸½ºß¤ÎÆü»þ¤òɽ¼¨
// 2006-09-14 (Thu) 12:20:45
print date("Y-m-d (D) H:i:s", time())

¸½ºß¤ÎÆü»þ(ÆüËܸì)

// ¸½ºß¤ÎÆü»þ¤òÆüËܸì¤Çɽ¼¨
// 2006ǯ09·î14 (ÌÚ) ¸á¸å12»þ20ʬ
$arStrDayOfTheWeek = array("Æü", "·î", "²Ð", "¿å", "ÌÚ", "¶â", "ÅÚ");
$strTmp = $arStrDayOfTheWeek[date("w", time())];
$strForPrint = date("Yǯn·îjÆü(".$strTmp.");
if (date("G", time()) > 12) {
    $strForPrint .= "¸á¸å";
} else {
    $strForPrint .= "¸áÁ°";
}
$strForPrint .= date("g»þiʬ")."<br>\n";
print  $strForPrint;

checkdate()¤Ë¤è¤ëÆüÉÕ¥Á¥§¥Ã¥¯

checkdate(·î, Æü, ǯ)¤Ç¡¢Â¸ºß¤¹¤ëÆüÉդΤȤ­TRUE¤¬ÊÖ¤ê¤Þ¤¹¡£
for ($i = 1; checkdate(2, $i, 2008); $i++) {
    print("$i ");
}