Home >php教程 >PHP源码 >PHP验证生日

PHP验证生日

PHP中文网
PHP中文网Original
2016-05-25 17:06:071430browse

php代码

<?php
function pc_checkbirthdate($month, $day, $year) {
    $min_age = 18; // 过18岁
    $max_age = 100; // 超过122岁
                    
    // 验证是不是合法时间,不会出现2月30号类似错误
    if (! checkdate ( $month, $day, $year )) {
        return false;
    }
    
    // 取得当前 年 月 日
    list ( $this_year, $this_month, $this_day ) = explode ( &#39;,&#39;, date ( &#39;Y, m, d&#39; ) );
    $min_year = $this_year - $max_age;
    $max_year = $this_year - $min_age;
    
    print "合法时间应该大于:$min_year,$this_month,$this_day\n<br/>";
    print "合法时间应该小于:$max_year,$this_month,$this_day\n<br/>";
    print "您输入的时间是:$year,$month,$day\n<br/>";
    
    if (($year > $min_year) && ($year < $max_year)) { // 先判断年,如果在(最小年,最大年)之间,返回true
        return true;
    } elseif (($year == $max_year) && (($month < $this_month) || (($month == $this_month && ($day < $this_day))))) {//年相等的在判断月,月相等在判断日
        return true;
    } elseif (($year == $min_year) && (($month > $this_month) || (($month == $this_month && ($day > $this_day))))) {
        return true;
    } else {
        return false;
    }
}

if (pc_checkbirthdate ( 4, 29, 1995 )) {
    print "You may use this web site.";
} else {
    print "please input the correct birthdate.";
    exit ();
}
?>
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn