1. 使用PHP的date()函数:PHP提供了一个内置的date()函数,可以用于获取当前日期和时间的各种格式。通过设置date()函数的第二个参数为“l”,可以获取当前日期的星期几的全名。例如,以下代码可以在网页上显示当前的星期几: “`php “` 这段代码会输出例如 “Today is Monday” 的结果。 2. 使用PHP的date()函数...
echo “Today is Saturday.”; }else{ echo “Today is Sunday.”; } “` 这段代码将输出类似于”Today is Monday.”的结果,根据当前日期确定今天是星期几。 需要注意的是,date()函数默认使用服务器的时区进行日期和时间的处理。如果需要在代码中设置时区,可以使用date_default_timezone_set()函数。 在PHP中...
prefix (string, defaults to "PHPREDIS_SESSION:"): used as a prefix to the Redis key in which the session is stored. The key is composed of the prefix followed by the session ID. auth (string, or an array with one or two elements): used to authenticate with the server prior to send...
$periodInterval, $end, DatePeriod::EXCLUDE_START_DATE);foreach ($periodIterator as $date) { // 输出周期内的每个日期 echo $date->format('Y-m-d') . ' ';}
is_numeric 测试是否是数字 整型 浮点型is_callable()测试是否是函数,语言结构则会返回false 9.语言结构 代码语言:javascript 代码运行次数:0 运行 AI代码解释 echo()不是函数,虽然后面也可以加括号,和函数类似print()也是语言结构,而printf是函数array()也是语言结构list()也是语言结构 ...
$a_month_later=date('Y-m-d',strtotime('+1 month'));echo$a_month_later; 2.19 判断一个日期是否是闰年 $date='2020-01-01';$year=intval(date('Y',strtotime($date)));$is_leap_year= ($year%4==0&&$year%100!=0) ||$year%400==0;echo$is_leap_year?'是闰年':'不是闰年'; ...
The behavior of these functions is affected by settings in php.ini:NameDescriptionDefaultPHP Version date.timezone The default timezone (used by all date/time functions) "" PHP 5.1 date.default_latitude The default latitude (used by date_sunrise() and date_sunset()) "31.7667" PHP 5.0 date...
Return Value: Returns a formatted date string on success. FALSE on failure + an E_WARNING PHP Version: 4+ Changelog: PHP 5.1.0: Added E_STRICT and E_NOTICE time zone errors. Valid range of timestamp is now from Fri, 13 Dec 1901 20:45:54 GMT to Tue, 19 Jan 2038 03:14:07 GMT...
Using it is simple, but you may need to refer to the available format string options often to remember how to use it. I always need to refer toPHP’s date documentationevery time I use it. Installation 1. Download the script: Option 1:Download the repository without using git ...
注释:// This is a single-line comment常数:define(name, value, case-insensitive)函数: function functionName() { code to be executed; } 制作基本 PHP 网页 制作PHP 网页的原理与 HTML 网页相似,甚至很多时候我们还需要借助 HTML 代码对 PHP 网页进行完善,但熟悉使用后,我们便可以发挥 PHP 的优势,让...