Examples¶ Example #1mysql_xdevapi\CollectionModify::arrayInsert()example <?php $session=mysql_xdevapi\getSession("mysqlx://user:password@localhost"); $session->sql("DROP DATABASE IF EXISTS addressbook")->exe
PHP in_array函数 性能优化 今天执行一个数据处理任务时,觉得效率太差,于是对问题进行了排查,后来发现问题出自对大数组进行[in_array]判断上。 以下为原本的大体业务逻辑: $dataIds=array;$resultData=[];foreach($otherListas$item) {if(!in_array($item['field'],$dataIds)) {$resultData[] =$item;$da...
in_array:(PHP 4, PHP 5, PHP 7) 功能:检查数组中是否存在某个值 定义:bool in_array ( mixed $needle , array $haystack [, bool $strict = FALSE ] ) 设计缺陷 在$haystack中搜索$needle,如果第三个参数$strict的值为TRUE,则in_array()函数会进行强检查,检查$needle的类型是否和$haystack中的相同。
$page_url = $_SERVER['PHP_SELF']; //用explode()函数将当前页面的名字按'/'分隔成数组,end()函数取最后一组,可得到:XXX.php,XXX代表文件名 $page_name = end(explode('/',$page_url)); //将.php'后缀去掉 $filename = str_replace('.php','',$page_name); return $filename; } $filenam...
然后的config.php的相关代码。config.php 代码语言:javascript 复制 <?php $servername="localhost";$username="root";$password="XFAICL1314";$dbname="day1";functionstop_hack($value){$pattern="insert|delete|or|concat|concat_ws|group_concat|join|floor|\/\*|\*|\.\.\/|\.\/|union|into|load_...
* Insert new item to a multidimensional array where sequence of keys are stored in an array. * @param array() $arr . Array where the value will be inserted. This array can be empty. * @param array() $key_chain. Array of keys where a key is the parent of the next key. Keys can...
Merge Two Array or Multiple Array in PHP Option 1: PHP Insert Array into MySQL Using Repetitive Insert Command Here we will iterate on each row of data and execute separate insert commands for each row. if(is_array($records)){ foreach ($records as $row) { ...
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.
这道题目也是in_array()函数没有设置第三个参数,导致白名单被绕过,然后被SQL注入。下面我们具体看一下相关代码。 index.php 1. 然后的config.php的相关代码。 config.php 1. 然后是搭建CTF使用的sql语句。 create database day1; use day1; create table users ( ...