![Apr 12, 2022 · [极客大挑战 2019]PHP 1一进入题目，就有页面提示我们“所以我有一个良好的备份网站的习惯”所以我们尝试着输入网站源码备份文件，看看能否访问常见的网站源码 …. Cpa](/img/512x512/40480856665.webp)
PHP Conditional Statements. Very often when you write code, you want to perform different actions for different conditions. You can use conditional statements in your code to do this. In PHP we have the following conditional statements: if statement - executes some code if one condition is true match (PHP 8) The match expression branches evaluation based on an identity check of a value. Similarly to a switch statement, a match expression has a subject expression that is compared against multiple alternatives. Unlike switch, it will evaluate to a value much like ternary expressions.Unlike switch, the comparison is an identity check (===) rather than …Jan 30, 2014 · The object operator, "->", is used in object scope to access methods and properties of an object. It's meaning is to say that what is on the right of the operator is a member of the object instantiated into the variable on the left side of the operator. Other languages use the dot notation for this, like obj.meth (). PHP is a server-side scripting language designed specifically for web development. It is open-source which means it is free to download and use. It is very simple to learn and use. The files have the extension “.php”. Rasmus Lerdorf inspired the first version of PHP and participated in the later versions. It is an interpreted language and ...Sep 18, 2020 · 1、php环境一键配置 你是否为php运行环境如何搭建感到烦恼？你是否遇到过php环境配置出现各种问题感到头痛不已！这些问题php程序员工具箱都为您解决！php程序员工具箱集合了Apache和Mysql，可以一键搭建和配置！并且有多个版本可以进行 ...Think SECURITY when processing PHP forms! The example above does not contain any form validation, it just shows how you can send and retrieve form data. Learn more about processing PHP forms with security in mind in the Form Validation chapter.PHP代码在线测试，PHP在线运行工具，本工具可用于小段的PHP代码运行，支持php5.6版本和php7.1等版本，速度快，使用方便。If you need the actual file name, you might want to try either $_SERVER['PHP_SELF'], the magic constant __FILE__, or $_SERVER['SCRIPT_FILENAME']. The latter 2 give you the complete path (from the root of the server), rather than just the root of your website. They are useful for includes and such.Oct 23, 2023 · 目录 PHP 下载安装php 修改php.ini扩展文件 php.ini设置默认的时区： 设置 ssl ： php路径和ext添加到环境变量 VSCode 下载安装VSCode 插件PHP Debug 插件PHP Intelephense，php代码提示器 插件PHP server 运行调试 运行项目 debug调试 php_xdebug插件下载 PHP关于VC11,VC9,VC6,TSNTS的含义 debug PHP 本文涉及文 …PHP Philippine Peso Country Philippines Region Asia Sub-Unit 1 ₱ = 100 centavos Symbol ₱ The Philippine peso derived from the Spanish silver coin Real de a Ocho or Spanish dollar, in wide circulation in the Americas and South-East Asia during the 17th and 18th centuries. The Philippine peso was introduced on May 1, 1852. PHP Exchange …Aug 4, 2022 · 上一篇中提到的Seay源代码审计系统是由C#编写的winform程序，现在已经停止更新了，但是，还是比较好用的。. PHP代码审计还有另一个工具，也是一个神器Rips. camellia。. 基于thinkphp+layui开发。. 功能包含：采购、销售、零售、多仓库管理、财务管理等功能 和超详细 ...Aug 23, 2023 · 订阅专栏 引言 PHP是一种流行的服务器脚本语言，用于创建动态和交互式web页面。 开始使用你选择的语言是学习编程的第一步。 本教程将指导您在Ubuntu上安 …Tip. This page describes the use of the static keyword to define static methods and properties.static can also be used to define static variables, define static anonymous functions and for late static bindings.Please refer to those pages for information on those meanings of static.Jul 3, 2020 · 用php和mysql实现一个规范的注册登陆全功能源代码 这四个文件夹就是实现php+sql注册登陆的全套图例+说明+源代码.详细的说明文件在DOC文件夹里.其它各文件夹依次是代码.图例.和数据库文件.有任何其它技术问题欢迎...W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Jun 21, 2022 · 在你的C:\ 驱动器的根部创建一个新的php 文件夹，并将 ZIP 的内容解压到其中。 PHP可以安装在系统的任何地方，但如果不使用C:\php ，则需要改变下面提到的路径。 第3步：配置php.ini PHP的配置文件被命名为php.ini 。Sep 28, 2020 · Wikipedia lists 40 PHP frameworks, but some of those are better described as content management systems, and undoubtedly there are many more. Early PHP frameworks include PHPlib, Horde, and Pear. Most of the big names now launched in 2005 or later. Here are some of the best PHP frameworks in use today. Aug 24, 2022 · 今天我们来学习如何在本地搭建PHP的运行环境，在这之前我们先来看下PHP的怎么跑起来的。. 前面我们提到过，PHP是一种脚本语言，不需要编译即可执行。. 1. 命令行运行. 在本地安装完成PHP之后，可以直接在命令行运行 php xxx.php 运行文件。. php test.php. 1. 这种 ...To write all the lines of the file in other words to read the file line by line you can write the code like this:'<br>''<br>'this example is so basic to understand how it's working. I hope it will help many beginners. Don't forget the backslash is special and you have to "escape" the backslash i.e. "\\": twichi at web dot de. Sep 19, 2022 · php+mysql简单小项目. 非常小白，大佬忽略。. 之前看见的一个博客没写全的项目，就把它粘下来改了改补全了（至少增删改查这些基础数据库操作加上了），分了一下mvc，因为我只是刚学php的小白，MVC不是很明确，model还写不好，于是处理mysql的都 …Function arguments. ¶. Information may be passed to functions via the argument list, which is a comma-delimited list of expressions. The arguments are evaluated from left to right, before the function is actually called ( eager evaluation). PHP supports passing arguments by value (the default), passing by reference, and default argument values.1 day ago · PHP Conditional Statements. Very often when you write code, you want to perform different actions for different conditions. You can use conditional statements in your code to do this. In PHP we have the following conditional statements: if statement - executes some code if one condition is trueAug 12, 2020 · SQL Server性能诊断案例分析. 云数据库 RDS MySQL Serverless，0.5-2RCU 50GB. 推荐场景：. 学生管理系统数据库设计 搭建个人博客. 简介： php大作页，使用php+mysql技术，实现了基本的分页，信息查询，修改，增加，删除操作有以下几个基本页面. php大作页，使用php+mysql技术 ...session_start() creates a session or resumes the current one based on a session identifier passed via a GET or POST request, or passed via a cookie. When session_start() is called or when a session auto starts, PHP will call the open and read session save handlers. These will either be a built-in save handler provided by default or by PHP extensions (such as …Fancy. Cartoon Comic Groovy Old School Curly Western Eroded Distorted Destroy Horror. Fire, Ice Decorative Typewriter Stencil, Army Retro Initials Grid Various. Foreign look. Chinese, Jpn Arabic Mexican Roman, Greek Russian Various.W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.Top 3 编程语言: PHP laravel Laravel框架（PHP）@laravel # Web框架 # 优雅，现代化的PHP Web框架 PHP 75.8 k SecLists Daniel Miessler@danielmiessler SecLists 是安全测 …Oct 23, 2016 · PHP中把以两个下划线__开头的方法称为魔术方法 (Magic methods)，这些方法在PHP中充当了举足轻重的作用。. 魔术方法包括：. __construct ()，类的构造函数. __destruct ()，类的析构函数. __call ()，在对象中调用一个不可访问方法时调用. __callStatic ()，用静态方式中调用一个 ...Mar 16, 2022 · Click on the Advanced system settings link in the left column. From the System Properties window, click on the Advanced tab, and then click on the Environment Variables button at the bottom. Select the Path variable from the System Variables section, and then click on Edit. Add: c:\php to your system path. Think SECURITY when processing PHP forms! The example above does not contain any form validation, it just shows how you can send and retrieve form data. Learn more about processing PHP forms with security in mind in the Form Validation chapter.PHP - Keep The Values in The Form. To show the values in the input fields after the user hits the submit button, we add a little PHP script inside the value attribute of the following input fields: name, email, and website. In the comment textarea field, we put the script between the <textarea> and </textarea> tags.Create your own server using Python, PHP, React.js, Node.js, Java, C#, etc. How To's. Large collection of code snippets for HTML, CSS and JavaScript. CSS Framework. Build fast and responsive sites using our free W3.CSS framework Browser Statistics. Read long term trends of browser ...Facebook helps you connect and share with the people in your life. Log in. Forgotten password? Create new account. Create a Page for a celebrity, brand or business. Log in to Facebook to start sharing and connecting with your friends, family and people you know.Parameters. string. The string or array to be converted.. to_encoding. The desired encoding of the result. from_encoding. The current encoding used to interpret string.Multiple encodings may be specified as an array or comma separated list, in which case the correct encoding will be guessed using the same algorithm as mb_detect_encoding().. If …Sep 28, 2020 · Wikipedia lists 40 PHP frameworks, but some of those are better described as content management systems, and undoubtedly there are many more. Early PHP frameworks include PHPlib, Horde, and Pear. Most of the big names now launched in 2005 or later. Here are some of the best PHP frameworks in use today. Learn how to use PHP object-oriented programming (OOP) to create and manipulate classes and objects, with examples and exercises from W3Schools. W3Schools is a leading web development tutorial site that covers HTML, CSS, JavaScript, and more. Apr 12, 2022 · [极客大挑战 2019]PHP 1一进入题目，就有页面提示我们“所以我有一个良好的备份网站的习惯”所以我们尝试着输入网站源码备份文件，看看能否访问常见的网站源码 …Notes. Note: . The set_time_limit() function and the configuration directive max_execution_time only affect the execution time of the script itself. Any time spent on activity that happens outside the execution of the script such as system calls using system(), stream operations, database queries, etc. is not included when determining the …Think SECURITY when processing PHP forms! The example above does not contain any form validation, it just shows how you can send and retrieve form data. Learn more about processing PHP forms with security in mind in the Form Validation chapter.PHP is an open-source, interpreted, and object-oriented scripting language that can be executed at the server-side. PHP is well suited for web development. Therefore, it is used to develop web applications (an application that executes on the server and generates the dynamic page.). PHP was created by Rasmus Lerdorf in 1994 but appeared in the ... Aug 2, 2015 · Function arguments. ¶. Information may be passed to functions via the argument list, which is a comma-delimited list of expressions. The arguments are evaluated from left to right, before the function is actually called ( eager evaluation). PHP supports passing arguments by value (the default), passing by reference, and default argument values. PHP - Keep The Values in The Form. To show the values in the input fields after the user hits the submit button, we add a little PHP script inside the value attribute of the following input fields: name, email, and website. In the comment textarea field, we put the script between the <textarea> and </textarea> tags.Guides / Language-specific guides / PHP / Develop your app Use containers for PHP development Prerequisites. Complete Containerize a PHP application. Overview. In this section, you'll learn how to set up a development environment for your containerized application. This includes: Adding a local database and persisting dataJun 15, 2021 · 文章浏览阅读4.2k次。最近在做国产化的项目。要求使用银河麒麟V10操作系统。在内网下搭建PHP的环境踩了很多坑。非常痛苦。在此记录下。注意、注意、注意。不管是内网搭建还是外网搭建环境。都最好不要使用非官方的软件源。同样如果内网需要一些依 …Learn how to use PHP to query data from a MySQL database and display it in a web page. This tutorial covers the basic syntax, examples, and exercises of the PHP MySQL select statement. You will also learn how to use the mysqli or PDO extension to connect to the database and handle errors.6 days ago · Get the latest 1 US Dollar to Philippine Peso rate for FREE with the original Universal Currency Converter. Set rate alerts for USD to PHP and learn more about US Dollars and Philippine Pesos from XE - the Currency Authority. Return Values. If output exists prior to calling this function, setcookie() will fail and return false.If setcookie() successfully runs, it will return true.This does not indicate whether the user accepted the cookie.Sep 21, 2023 · 4.安装PHP编程语言：在Linux系统上安装PHP可以使用命令行工具，如yum install php、apt-get install php等。安装之后需要对PHP进行一些基本配置，如修改php.ini文件等。 5.测试LAMP环境是否正常：搭建完LAMP环境后可以测试一下是否正常工作。The str_replace () function replaces some characters with some other characters in a string. If the string to be searched is an array, find and replace is performed with every array element. If both find and replace are arrays, and replace has fewer elements than find, an empty string will be used as replace. If find is an array and replace is ...Feb 19, 2021 · Linux下部署Apache+PHP 编辑于2021-02-19 本文中Apache配置文件目录为/etc/httpd/conf/httpd.conf，PHP安装目录为/usr/local/php 一、 安装Apache ...TpFlow工作流引擎是一套规范化的流程管理系统，基于业务而驱动系统生命力的一套引擎。. 彻底释放整个信息管理系统的的活力，让系统更具可用性，智能应用型，便捷设计性。. Tpflow团队致力于打造中国最优秀的PHP …Aug 14, 2023 · Choose to have words for the numbers in lowercase, uppercase or title case to easily copy and paste to another application. This converter will convert numbers to words and figures to words. The number to words can be done for real numbers and Scientific E Notation. Limited to use of 200 characters and 1e-200 and 1e+200. PHP User Defined Functions. Besides the built-in PHP functions, it is possible to create your own functions. A function is a block of statements that can be used repeatedly in a program. A function will not execute automatically when a page loads. A function will be executed by a call to the function. 1 day ago · Example Get your own PHP Server. When the user fills out the form above and clicks the submit button, the form data is sent for processing to a PHP file named "welcome.php". The form data is sent with the HTTP POST method. To display the submitted data you could simply echo all the variables. The "welcome.php" looks like this:match (PHP 8) The match expression branches evaluation based on an identity check of a value. Similarly to a switch statement, a match expression has a subject expression that is compared against multiple alternatives. Unlike switch, it will evaluate to a value much like ternary expressions.Unlike switch, the comparison is an identity check (===) rather than …这是一个简单方便的PHP 在线运行工具，支持在线编译、在线调试和在线结果的实时反馈。 Json. cn JSON工具 JSON在线解析 JSON压缩转义 JS混淆加密 JSON生成JAVA实体 ...Say you want randomly select one number from 1 to 10, like drawing a number out of a hat. Choose the following settings: Min = 1. Max = 10. Generate 1 number. Allow repeats = no. Sort numbers = Do not sort. Do it: Random number generator 1 to 10. Also try: Random number generator 1 to 100.Create your own server using Python, PHP, React.js, Node.js, Java, C#, etc. How To's. Large collection of code snippets for HTML, CSS and JavaScript. CSS Framework. Build fast and responsive sites using our free W3.CSS framework Browser Statistics. Read long term trends of browser ...When PHP reaches a break keyword, it breaks out of the switch block. This will stop the execution of more code, and no more cases are tested. The last block does not need a break, the block breaks (ends) there anyway. Warning: If you omit the break statement in a case that is not the last, and that case gets a match, the next case will also be ...The free version of Intelephense supports code formatting with the usual shortcuts ( Alt + Shift + F on Windows and Linux, ⌥⇧F on macOS). Visual Studio Code continues to lack built-in support for PHP code formatting and will direct you to the extension marketplace if you attempt to format PHP without an appropriate extension installed.session_start() creates a session or resumes the current one based on a session identifier passed via a GET or POST request, or passed via a cookie. When session_start() is called or when a session auto starts, PHP will call the open and read session save handlers. These will either be a built-in save handler provided by default or by PHP extensions (such as …Aug 14, 2023 · Choose to have words for the numbers in lowercase, uppercase or title case to easily copy and paste to another application. This converter will convert numbers to words and figures to words. The number to words can be done for real numbers and Scientific E Notation. Limited to use of 200 characters and 1e-200 and 1e+200. Oct 21, 2023 · To solve for distance use the formula for distance d = st, or distance equals speed times time. distance = speed x time. Rate and speed are similar since they both represent some distance per unit time like miles per hour or kilometers per hour. If rate r is the same as speed s, r = s = d/t. You can use the equivalent formula d = rt which means ... Aug 28, 2022 · 一.PHP8.1安装部署 2.下载PHP 打开PHP官网，选择对应的PHP版本下载。 None Thread Safe和Thread Safe版本区别 1.None Thread Safe就是非线程安全，在执行时不进行线程（thread）安全检查。 2.Thread Safe就是线程安全，执行时会进PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.3 Download. 8.3.2 · Changelog · Upgrading. Trying to find that anime? Search from tens of thousands of titles on MyAnimeList, the largest online anime and manga database in the world! Join the online community, create your anime and manga list, read reviews, explore the forums, follow news, and so …5 days ago · 0.01 7755126 US Dollars. 1 USD = 56.3218 PHP. We use the mid-market rate for our Converter. This is for informational purposes only. You won’t receive this rate when sending money. Login to view send rates. Philippine Peso to US Dollar conversion — Last updated Jan 27, 2024, 11:55 UTC. Note that fgetcsv, at least in PHP 5.3 or previous, will NOT work with UTF-16 encoded files. Your options are to convert the entire file to ISO-8859-1 (or latin1), or convert line by line and convert each line into ISO-8859-1 encoding, then use str_getcsv (or compatible backwards-compatible implementation).If you need the actual file name, you might want to try either $_SERVER['PHP_SELF'], the magic constant __FILE__, or $_SERVER['SCRIPT_FILENAME']. The latter 2 give you the complete path (from the root of the server), rather than just the root of your website. They are useful for includes and such.PHP Data Types. Variables can store data of different types, and different data types can do different things. PHP supports the following data types: String. Integer. Float (floating point numbers - also called double) Boolean. Array. Object.Generally, the built-in Web Server is intended for production usage. Example #1 Starting the web server. $ cd ~/public_html $ php -S localhost:8000. The terminal will show: PHP 5.4.0 Development Server started at Thu Jul 21 10:43:28 2011 Listening on localhost:8000 Document root is /home/me/public_html Press Ctrl-C to quit. Mar 1, 2012 · Download Composer Latest: v2.6.6. To quickly install Composer in the current directory, run the following script in your terminal. To automate the installation, use the guide on installing Composer programmatically . This installer script will simply check some php.ini settings, warn you if they are set incorrectly, and then download the latest ... Example Get your own PHP Server. When the user fills out the form above and clicks the submit button, the form data is sent for processing to a PHP file named "welcome.php". The form data is sent with the HTTP POST method. To display the submitted data you could simply echo all the variables. The "welcome.php" looks like this: Return Values. Returns true if the file or directory specified by filename exists; false otherwise.. Note: . This function will return false for symlinks pointing to non-existing files.. Note: . The check is done using the real UID/GID instead of the effective one. Note: Because PHP's integer type is signed and many platforms use 32bit integers, some filesystem …Aug 24, 2022 · 今天我们来学习如何在本地搭建PHP的运行环境，在这之前我们先来看下PHP的怎么跑起来的。. 前面我们提到过，PHP是一种脚本语言，不需要编译即可执行。. 1. 命令行运行. 在本地安装完成PHP之后，可以直接在命令行运行 php xxx.php 运行文件。. php test.php. 1. 这种 ...Aug 28, 2022 · 一.PHP8.1安装部署 2.下载PHP 打开PHP官网，选择对应的PHP版本下载。 None Thread Safe和Thread Safe版本区别 1.None Thread Safe就是非线程安全，在执行时不进行线程（thread）安全检查。 2.Thread Safe就是线程安全，执行时会进PHP: Hypertext Preprocessor. popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. What's new in 8.3 Download. 8.3.2 · Changelog · Upgrading. Aug 28, 2022 · 一.PHP8.1安装部署 2.下载PHP 打开PHP官网，选择对应的PHP版本下载。 None Thread Safe和Thread Safe版本区别 1.None Thread Safe就是非线程安全，在执行时不进行线程（thread）安全检查。 2.Thread Safe就是线程安全，执行时会进May 18, 2019 · PHP是一种广泛用于开发Web应用的编程语言，其灵活性和易用性使得它成为一个非常受欢迎的选择。在本篇博文中，我们将介绍如何使用PHP实现一个完整的登录注册功能。一个完整的登录页面需要实现主要的页面编写、数据库设计、登录逻辑处理三部分。Scope Resolution Operator (::) ¶. The Scope Resolution Operator (also called Paamayim Nekudotayim) or in simpler terms, the double colon, is a token that allows access to a constant , static property, or static method of a class or one of its parents. Moreover, static properties or methods can be overriden via late static binding . According to the PHP staffer who has responded the docs are wrong (I don't agree but I'm also not their employee). The work around is to use touch() (or any other file system function that can do this) to create the file first before using imagejpeg().Aug 4, 2022 · 上一篇中提到的Seay源代码审计系统是由C#编写的winform程序，现在已经停止更新了，但是，还是比较好用的。. PHP代码审计还有另一个工具，也是一个神器Rips. camellia。. 基于thinkphp+layui开发。. 功能包含：采购、销售、零售、多仓库管理、财务管理等功能 和超详细 ...Top 3 编程语言: PHP laravel Laravel框架（PHP）@laravel # Web框架 # 优雅，现代化的PHP Web框架 PHP 75.8 k SecLists Daniel Miessler@danielmiessler SecLists 是安全测 …PHP代码在线测试，PHP在线运行工具，本工具可用于小段的PHP代码运行，支持php5.6版本和php7.1等版本，速度快，使用方便。
PHP Numbers. There are three main numeric types in PHP: Integer. Float. Number Strings. In addition, PHP has two more data types used for numbers: Infinity. NaN. Variables of numeric types are created when you assign a value to them:. Caught in the act unfaithful
May 7, 2020 · 现在引入了一个 pipeline 方法但是现在并不存在这个方法，需要去创建它，用来做管道的触发埋点。. 现在我们创建了一个管道函数，用来帮助我们简化调用，以便在其他地方进行复用，这个方法接收2个参数，一个是埋点，一个是要传递的数据. // functions.php if ...4. @Sara: You can also create a function for converting the string to number by first casting it to integer, then to float and then comparing if both values (integer and float) are equal. If they are, you should return the value as integer, if not, then as a float. Hope you get the idea. – Youstay Igo.Sep 11, 2008 · 1. $_SERVER ['REMOTE_ADDR'] - This contains the real IP address of the client. That is the most reliable value you can find from the user. 2. $_SERVER ['REMOTE_HOST'] - This will fetch the host name from which the user is viewing the current page. But for this script to work, hostname lookups on inside httpd.conf must be configured. Return Values ¶. preg_match () returns 1 if the pattern matches given subject, 0 if it does not, or false on failure. This function may return Boolean false, but may also return a non-Boolean value which evaluates to false. Please read …May 18, 2019 · PHP是一种广泛用于开发Web应用的编程语言，其灵活性和易用性使得它成为一个非常受欢迎的选择。在本篇博文中，我们将介绍如何使用PHP实现一个完整的登录注册功能。一个完整的登录页面需要实现主要的页面编写、数据库设计、登录逻辑处理三部分。PHP Data Types. Variables can store data of different types, and different data types can do different things. PHP supports the following data types: String. Integer. Float (floating point numbers - also called double) Boolean. Array. Object.If search and replace are arrays, then str_replace () takes a value from each array and uses them to search and replace on subject. If replace has fewer values than search, then an empty string is used for the rest of replacement values. If search is an array and replace is a string, then this replacement string is used for every value of search.Notes. Note: . The set_time_limit() function and the configuration directive max_execution_time only affect the execution time of the script itself. Any time spent on activity that happens outside the execution of the script such as system calls using system(), stream operations, database queries, etc. is not included when determining the …Say you want randomly select one number from 1 to 10, like drawing a number out of a hat. Choose the following settings: Min = 1. Max = 10. Generate 1 number. Allow repeats = no. Sort numbers = Do not sort. Do it: Random number generator 1 to 10. Also try: Random number generator 1 to 100.PHP is an open-source, interpreted, and object-oriented scripting language that can be executed at the server-side. PHP is well suited for web development. Therefore, it is used to develop web applications (an application that executes on the server and generates the dynamic page.). PHP was created by Rasmus Lerdorf in 1994 but appeared in the ... It’s quick and easy. First name. Last name. Mobile number or email. New password. Birthday. Gender. Female Male Custom. People who use our service may have uploaded your contact information to Facebook.Parameters. header. The header string. There are two special-case header calls. The first is a header that starts with the string "HTTP/" (case is not significant), which will be used to figure out the HTTP status code to send.For example, if you have configured Apache to use a PHP script to handle requests for missing files (using the ErrorDocument directive), you …htmlspecialchars is a PHP function that converts special characters to HTML entities, such as & for &. This can prevent cross-site scripting attacks and make your web pages more secure. Learn how to use htmlspecialchars with examples, notes, and warnings in the PHP manual..