AI代码解释 $_SERVER['SERVER_ADDR']//服务器地址$_SERVER['SERVER_NAME']//服务名称$_SERVER['REQUEST_TIME']//请求时间$_SERVER['QUERY_STRING']//请求地址中问号后的内容$_SERVER['HTTP_REFERER']//上次请求地址$_SERVER['HTTP_USER_AGENT']//浏览器信息$_SERVER['REMOTE_ARRR']//客户端请求ip$_SE...
$name='山鸡';$山鸡='乌鸡';$乌鸡='呜呜呜';echo $$$name;则会输出:呜呜呜 引用变量值: 传值 代码语言:javascript 代码运行次数:0 复制 Cloud Studio代码运行 $a=100;$b=$a;$b=200;echo $a,$b 这时,$a=100$b=200;传的是值所以$a不改变 传址& 代码语言:javascript 代码运行次数:0 复制 Clou...
Get the exact read date of one of our messages, sent to a private chat with another user: messages.getOutboxReadDate Get the file that is currently being played: callGetCurrent Get the number of results that would be found by a messages.search call with the same parameters: messages.getSe...
$sql .=" and name like '%$k%' "; } else { if ($pdid) {$sql .=" and fenlei='$pdid' ";} if ($uid>0) {$sql .=" and uid='$uid' ";} elseif ($m=='new') { $tdate=date("Y-m-d")." 00:00:01"; $tdate2=date("Y-m-d")." 23:59:59"; ...
“I've been using Laravel for every project over the past ten years, to this date, there's just nothing like it.” Philo HermansFounder of Anystack “I've been using Laravel for over 10 years and I can't imagine using PHP without it.” ...
}returnisset($_POST[$name]) ?$_POST[$name] : $defv; }/** * URL重定向 * @param string $url 重定向的URL地址 * @param integer $time 重定向的等待时间(秒) * @param string $msg 重定向前的提示信息 * @return void * @since 1.0 <2015-10-7> from ThinkPHP*/function redirect($url,...
* @return array(本月开始时间,本月结束时间)*/functionfristAndLastDay($y= "",$m= "") {if($y== "")$y=date("Y");if($m== "")$m=date("m");$m=sprintf("%02d",intval($m));$y=str_pad(intval($y), 4, "0",STR_PAD_RIGHT);$m>12 ||$m<1 ?$m=1 :$m=$m;$firstday...
答:echo date('Y-m-d H:i:s', strtotime('-1 day')); 13.echo(),print(),print_r()的区别 答:echo是语言结构,无返回值;print功能和echo基本相同,不同的是print是函数,有返回值;print_r是递归打印,用于输出数组对象 14.如何实现字符串翻转?
为了方便数据存储,php通常会将数组等数据转换为序列化形式存储,那么什么是序列化呢?序列化其实就是将数据转化成一种可逆的数据结构,自然,逆向的过程就叫做反序列化。 网上有一个形象的例子,这个例子会让我们深刻的记住序列化的目的是方便数据的传输和存储。而在PHP中,序列化和反序列化一般用做缓存,比如session缓存,...