php 获取时间(今天,昨天,三天内,本周,上周,本月,三年内,半年内,一年内,三年内)

<?php
/**
 * php 获取时间(今天,昨天,三天内,本周,上周,本月,三年内,半年内,一年内,三年内)
 *
 * author:ihelloworld2010@gmail.com
 * date:2012-06-28 16:00:01
 */

$q = $_GET['q'] ? intval($_GET['q']) : 0;

$text = '';
$now = time();

if ($q === 1) {// 今天
	$text = '今天';
	$beginTime = date('Y-m-d 00:00:00', $now);
	$endTime = date('Y-m-d 23:59:59', $now);
} elseif ($q === 2) {// 昨天
	$text = '昨天';
	$time = strtotime('-1 day', $now);
	$beginTime = date('Y-m-d 00:00:00', $time);
	$endTime = date('Y-m-d 23:59:59', $now);
} elseif ($q === 3) {// 三天内
	$text = '三天内';
	$time = strtotime('-2 day', $now);
	$beginTime = date('Y-m-d 00:00:00', $time);
	$endTime = date('Y-m-d 23:59:59', $now);
} elseif ($q === 4) {// 本周
	$text = '本周';
	$time = '1' == date('w') ? strtotime('Monday', $now) : strtotime('last Monday', $now);
	$beginTime = date('Y-m-d 00:00:00', $time);
	$endTime = date('Y-m-d 23:59:59', strtotime('Sunday', $now));
} elseif ($q === 5) {// 上周
	$text = '上周';
	// 本周一
	$thisMonday = '1' == date('w') ? strtotime('Monday', $now) : strtotime('last Monday', $now);
	// 上周一
	$lastMonday = strtotime('-7 days', $thisMonday);
	$beginTime = date('Y-m-d 00:00:00', $lastMonday);
	$endTime = date('Y-m-d 23:59:59', strtotime('last sunday', $now));
} elseif ($q === 6) {// 本月
	$text = '本月';
	$beginTime = date('Y-m-d 00:00:00', mktime(0, 0, 0, date('m', $now), '1', date('Y', $now)));
	$endTime = date('Y-m-d 23:39:59', mktime(0, 0, 0, date('m', $now), date('t', $now), date('Y', $now)));
} elseif ($q === 7) {// 三月内
	$text = '三月内';
	$time = strtotime('-2 month', $now);
	$beginTime = date('Y-m-d 00:00:00', mktime(0, 0,0, date('m', $time), 1, date('Y', $time)));
	$endTime = date('Y-m-d 23:39:59', mktime(0, 0, 0, date('m', $now), date('t', $now), date('Y', $now)));
} elseif ($q === 8) {// 半年内
	$text = '半年内';
	$time = strtotime('-5 month', $now);
	$beginTime = date('Y-m-d 00:00:00', mktime(0, 0,0, date('m', $time), 1, date('Y', $time)));
	$endTime = date('Y-m-d 23:39:59', mktime(0, 0, 0, date('m', $now), date('t', $now), date('Y', $now)));
}  elseif ($q === 9) {// 一年内
	$text = '一年内';
	$beginTime = date('Y-m-d 00:00:00', mktime(0, 0,0, 1, 1, date('Y', $now)));
	$endTime = date('Y-m-d 23:39:59', mktime(0, 0, 0, 12, 31, date('Y', $now)));
} elseif ($q === 10) {// 三年内
	$text = '三年内';
	$time = strtotime('-2 year', $now);
	$beginTime = date('Y-m-d 00:00:00', mktime(0, 0, 0, 1, 1, date('Y', $time)));
	$endTime = date('Y-m-d 23:39:59', mktime(0, 0, 0, 12, 31, date('Y')));
}

echo $text;
echo '<br />';
echo $beginTime;
echo '<br />';
echo $endTime;