我以约会
2010-05-01
开始,以 2010-05-10
结束。如何在 PHP 中迭代所有这些日期?
$begin = new DateTime('2010-05-01');
$end = new DateTime('2010-05-10');
$interval = DateInterval::createFromDateString('1 day');
$period = new DatePeriod($begin, $interval, $end);
foreach ($period as $dt) {
echo $dt->format("l Y-m-d H:i:s\n");
}
这将输出定义期间
$start
和 $end
之间的所有日期。如果您想包含第 10 个,请将 $end
设置为第 11 个。您可以根据自己的喜好调整格式。请参阅 PHP 手册了解 DatePeriod。它需要 PHP 5.3。
这还包括最后日期
$begin = new DateTime( "2015-07-03" );
$end = new DateTime( "2015-07-09" );
for($i = $begin; $i <= $end; $i->modify('+1 day')){
echo $i->format("Y-m-d");
}
如果您不需要最后日期,只需从条件中删除
=
。
转换为 unix 时间戳使得在 php 中进行日期数学运算变得更容易:
$startTime = strtotime( '2010-05-01 12:00' );
$endTime = strtotime( '2010-05-10 12:00' );
// Loop between timestamps, 24 hours at a time
for ( $i = $startTime; $i <= $endTime; $i = $i + 86400 ) {
$thisDate = date( 'Y-m-d', $i ); // 2010-05-01, 2010-05-02, etc
}
在具有 DST 的时区中使用 PHP 时,请确保添加不是 23:00、00:00 或 1:00 的时间,以防止日期跳过或重复。
从 php.net 示例复制包含范围:
$begin = new DateTime( '2012-08-01' );
$end = new DateTime( '2012-08-31' );
$end = $end->modify( '+1 day' );
$interval = new DateInterval('P1D');
$daterange = new DatePeriod($begin, $interval ,$end);
foreach($daterange as $date){
echo $date->format("Ymd") . "<br>";
}
这是另一个简单的实现 -
/**
* Date range
*
* @param $first
* @param $last
* @param string $step
* @param string $format
* @return array
*/
function dateRange( $first, $last, $step = '+1 day', $format = 'Y-m-d' ) {
$dates = [];
$current = strtotime( $first );
$last = strtotime( $last );
while( $current <= $last ) {
$dates[] = date( $format, $current );
$current = strtotime( $step, $current );
}
return $dates;
}
示例:
print_r( dateRange( '2010-07-26', '2010-08-05') );
Array (
[0] => 2010-07-26
[1] => 2010-07-27
[2] => 2010-07-28
[3] => 2010-07-29
[4] => 2010-07-30
[5] => 2010-07-31
[6] => 2010-08-01
[7] => 2010-08-02
[8] => 2010-08-03
[9] => 2010-08-04
[10] => 2010-08-05
)
$startTime = strtotime('2010-05-01');
$endTime = strtotime('2010-05-10');
// Loop between timestamps, 1 day at a time
$i = 1;
do {
$newTime = strtotime('+'.$i++.' days',$startTime);
echo $newTime;
} while ($newTime < $endTime);
或
$startTime = strtotime('2010-05-01');
$endTime = strtotime('2010-05-10');
// Loop between timestamps, 1 day at a time
do {
$startTime = strtotime('+1 day',$startTime);
echo $startTime;
} while ($startTime < $endTime);
使用此功能:-
function dateRange($first, $last, $step = '+1 day', $format = 'Y-m-d' ) {
$dates = array();
$current = strtotime($first);
$last = strtotime($last);
while( $current <= $last ) {
$dates[] = date($format, $current);
$current = strtotime($step, $current);
}
return $dates;
}
使用/函数调用:-
增加一天:-
dateRange($start, $end); //increment is set to 1 day.
逐月增加:-
dateRange($start, $end, "+1 month");//increase by one month
如果您想设置日期格式,请使用第三个参数:-
dateRange($start, $end, "+1 month", "Y-m-d H:i:s");//increase by one month and format is mysql datetime
Carbon
用户use Carbon\Carbon;
$startDay = Carbon::parse("2021-08-01");
$endDay= Carbon::parse("2021-08-05");
$period = $startDay->range($endDay, 1, 'day');
当我打印数据时
[
Carbon\Carbon @1627790400 {#4970
date: 2021-08-01 00:00:00.0 America/Toronto (-04:00),
},
Carbon\Carbon @1627876800 {#4974
date: 2021-08-02 00:00:00.0 America/Toronto (-04:00),
},
Carbon\Carbon @1627963200 {#4978
date: 2021-08-03 00:00:00.0 America/Toronto (-04:00),
},
Carbon\Carbon @1628049600 {#5007
date: 2021-08-04 00:00:00.0 America/Toronto (-04:00),
},
Carbon\Carbon @1628136000 {#5009
date: 2021-08-05 00:00:00.0 America/Toronto (-04:00),
},
]
这是使用
dd($period->toArray());
的 Laravel 数据转储。如果您愿意,现在可以使用 $period
语句来迭代 foreach
。
一个重要说明 - 它包括提供给方法的两个边缘日期。
有关更多酷炫的约会相关内容,请查看 Carbon 文档。
有一个方法:
$date = new Carbon();
$dtStart = $date->startOfMonth();
$dtEnd = $dtStart->copy()->endOfMonth();
$weekendsInMoth = [];
while ($dtStart->diffInDays($dtEnd)) {
if($dtStart->isWeekend()) {
$weekendsInMoth[] = $dtStart->copy();
}
$dtStart->addDay();
}
$weekendsInMoth 的结果是周末的数组!
如果您使用的 php 版本低于 8.2 并且没有
DatePeriod::INCLUDE_END_DATE
const。我编写了一个返回 \DateTimeImmutable
数组的方法。
这适用于开始日期在结束日期之前、相同或之后。
/**
* @param DateTimeImmutable $start
* @param DateTimeImmutable $end
* @return array<\DateTimeImmutable>
*/
public static function getRangeDays(\DateTimeImmutable $start, \DateTimeImmutable $end): array
{
$startDate = $start;
$endDate = $end;
$forwards = $endDate >= $startDate;
$carryDate = $startDate;
$days = [];
while (true) {
if (($forwards && $carryDate > $end) || (!$forwards && $carryDate < $end)) {
break;
}
$days[] = $carryDate;
if ($forwards) {
$carryDate = $carryDate->modify('+1 day');
} else {
$carryDate = $carryDate->modify('- 1 day');
}
}
return $days;
}
只是关于 while 循环的一个想法
$startDate = '2023-03-01';
$endDate = '2023-04-01';
$currentDate = strtotime($startDate);
$endDate = strtotime($endDate);
while ($currentDate <= $endDate) {
echo date('Y-m-d', $currentDate) . "\n";
$currentDate = strtotime('+1 day', $currentDate);
}
$date = new DateTime($_POST['date']);
$endDate = date_add(new DateTime($_POST['date']),date_interval_create_from_date_string("7 days"));
while ($date <= $endDate) {
print date_format($date,'d-m-Y')." AND END DATE IS : ".date_format($endDate,'d-m-Y')."\n";
date_add($date,date_interval_create_from_date_string("1 days"));
}
你也可以像这样迭代,
$_POST['date']
可以从你的应用程序或网站上凹下来
除了 $_POST['date']
,您还可以将字符串放置在此处 "21-12-2019"
。两者都会起作用。
<?php
$start_date = '2015-01-01';
$end_date = '2015-06-30';
while (strtotime($start_date) <= strtotime($end_date)) {
echo "$start_daten";
$start_date = date ("Y-m-d", strtotime("+1 days", strtotime($start_date)));
}
?>
我喜欢使用简单、干净且无库的方法,如下所示:
function datesBetween($startDate, $endDate)
{
$dates = [];
$start = new DateTime($startDate);
$end = new DateTime($endDate);
while ($start <= $end) {
$dates[] = $start->format('Y-m-d');
$start->modify('+1 day');
}
return $dates;
}
希望它对某人有帮助。
如果你使用 Laravel 并想使用 Carbon,正确的解决方案如下:
$start_date = Carbon::createFromFormat('Y-m-d', '2020-01-01');
$end_date = Carbon::createFromFormat('Y-m-d', '2020-01-31');
$period = new CarbonPeriod($start_date, '1 day', $end_date);
foreach ($period as $dt) {
echo $dt->format("l Y-m-d H:i:s\n");
}
记得添加:
更有弹性的例子
//dilo surucu
class Day
{
private DateTimeInterface $dateTime;
public function __construct(DateTimeInterface $dateTime)
{
$this->dateTime = $dateTime;
}
public function today(string $format='Y-m-d'): string
{
return $this->dateTime->format($format);
}
public function yesterday(string $format='Y-m-d'): string
{
$today = $this->today();
return date($format, strtotime("$today -1 days"));
}
public function tomorrow(string $format='Y-m-d'): string
{
$today = $this->today();
return date($format, strtotime("$today +1 days"));
}
}
class DayIterator implements Iterator
{
private DateTimeInterface $currentDate;
private DateTimeInterface $endDate;
/**
* @throws Exception
*/
public function __construct(string $startDate, string $endDate)
{
$this->currentDate = new DateTime($startDate);
$this->endDate = new DateTime($endDate);
}
public function current(): Day
{
return new Day($this->currentDate);
}
public function key(): string
{
return $this->currentDate->format('Y-m-d');
}
public function next(): void
{
$this->currentDate = $this->currentDate->add(new DateInterval('P1D'));
}
public function rewind(): void
{
}
public function valid(): bool
{
return $this->currentDate <= $this->endDate;
}
}
// Usage
$dayIterator = new DayIterator(
'2024-01-01',
'2024-01-12'
);
foreach ($dayIterator as $day) {
echo 'Yesterday: ' . $day->yesterday('D Y-m-d') . PHP_EOL;
echo 'Date: ' . $day->today('D Y-m-d D') . PHP_EOL;
echo 'Tomorrow: ' . $day->tomorrow('D Y-m-d') . PHP_EOL;
echo PHP_EOL;
}