试试这个:

$myday = '2022-1-30'; 
if (($timestamp = strtotime($myday)) === false) {
    echo 'The string ('.$myday.') is not date';
} else {
    echo 'The string ('.$myday.') is date = ' . date('l dS \o\f F Y h:i:s A', $timestamp);
}

使用php预构建函数的简单方式:

function checkmydate($date) {
  $tempDate = explode('-', $date);
  // checkdate(month, day, year)
  return checkdate($tempDate[1], $tempDate[2], $tempDate[0]);
}

Test

   checkmydate('2015-12-01'); //true
   checkmydate('2015-14-04'); //false

你可以使用DateTime::createFromFormat()来实现这个目的:

function validateDate($date, $format = 'Y-m-d')
{
    $d = DateTime::createFromFormat($format, $date);
    // The Y ( 4 digits year ) returns TRUE for any integer with any number of digits so changing the comparison from == to === fixes the issue.
    return $d && $d->format($format) === $date;
}

[从这个答案中得到的函数。在php.net上也有。原作者:格拉维克。

测试用例:

var_dump(validateDate('2013-13-01'));  // false
var_dump(validateDate('20132-13-01')); // false
var_dump(validateDate('2013-11-32'));  // false
var_dump(validateDate('2012-2-25'));   // false
var_dump(validateDate('2013-12-01'));  // true
var_dump(validateDate('1970-12-01'));  // true
var_dump(validateDate('2012-02-29'));  // true
var_dump(validateDate('2012', 'Y'));   // true
var_dump(validateDate('12012', 'Y'));  // false

演示!

恐怕大多数投票的解决方案(https://stackoverflow.com/a/19271434/3283279)不能正常工作。第四个测试用例(var_dump(validateDate('2012-2-25'));// false)是错误的。日期是正确的，因为它对应的格式- m允许一个月前导零或不前导零(参见:http://php.net/manual/en/datetime.createfromformat.php)。因此，日期2012-2-25的格式是Y-m-d，测试用例必须为真而不是假。

我认为更好的解决方案是测试可能的错误，如下所示:

function validateDate($date, $format = 'Y-m-d') {
    DateTime::createFromFormat($format, $date);
    $errors = DateTime::getLastErrors();

    return $errors['warning_count'] === 0 && $errors['error_count'] === 0;
}

    /**** date check is a recursive function. it's need 3 argument 
    MONTH,DAY,YEAR. ******/

    $always_valid_date = $this->date_check($month,$day,$year);

    private function date_check($month,$day,$year){

        /** checkdate() is a php function that check a date is valid 
        or not. if valid date it's return true else false.   **/

        $status = checkdate($month,$day,$year);

        if($status == true){

            $always_valid_date = $year . '-' . $month . '-' . $day;

            return $always_valid_date;

        }else{
            $day = ($day - 1);

            /**recursive call**/

            return $this->date_check($month,$day,$year);
        }

    }

正则表达式的解决方案

function verify_date($date){
  /* correct format = "2012-09-15 11:23:32" or "2012-09-15"*/
  if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])( (0[0-9]|[1-2][0-4]):(0[0-9]|[1-5][0-9]):(0[0-9]|[1-5][0-9]))?$/",$date)) {
    return true;
  } else {
    die("Wrong date format: it should be '2012-09-15 11:23:32' or '2012-09-15', date received is: ".$date);
  }
}