Required Knowledge. Before you begin this PHP tutorial, it is necessary that you have a basic understanding and experience of the following: HTML - PHP can be written with HTML, so it's essential. Basic programming knowledge - If you have any traditional programming experience like C, then learning PHP will be very easy for you.Here's how to run dual PHP instances with PHP 5.2 and any previous PHP on Windows 2003: 1. Right-click My Computer, go to Advanced tab, and click on Environment Variables. Add the two installations and their EXT directories to the Path variable. For example, add: c:\php;c:\php\ext;c:\TMAS\php;c:\tmas\php\ext;우분투의 apt-get 을 생각하면된다. pip는 파이썬 3.4이후 버전에는 기본적으로 포함되어있다. 2. pip 설치방법. 아래의 링크를 통해서 들어가서 get-pip.py를 다운받는다. https://bootstrap.pypa.io/. 해당링크에 들어가서 오른쪽마우스를 클릭해서 다른이름으로 링크 저장을 ...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 ...strpos () - Search For a Text Within a String. The PHP strpos () function searches for a specific text within a string. If a match is found, the function returns the character position of the first match. If no match is found, it will return FALSE.Aug 14, 2023 · Our basic PHP website is going to feature a home page, including biographical information and some images. For this simple PHP website, you're going to create a single PHP page populated by content from three HTML pages. The index.php file you create can then be edited by adjusting the words and images from the original HTML files. Installing Pip for Python 2 and Python 3. Download get-pip.py to a folder on your computer. Open a command prompt and navigate to the folder containing get-pip.py. Run the following command: python get-pip.py, python3 get-pip.py or python3.6 get-pip.py, depending on which version of Python you want to install pip.pip 是 Python 包管理工具，该工具提供了对Python 包的查找、下载、安装、卸载的功能。 目前如果你在 python.org 下载最新版本的安装包，则是已经自带了该工具。PHP Operators. PHP Operator is a symbol i.e used to perform operations on operands. In simple words, operators are used to perform operations on variables or values.PHP Programming at Wikibooks. PHP is a general-purpose scripting language geared towards web development. [9] It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1993 and released in 1995. [10] [11] The PHP reference implementation is now produced by the PHP Group. [12] PHP was originally an abbreviation of Personal Home ... It is the bitwise shift operator. Specifically, the left-shift operator. It takes the left-hand argument and shifts the binary representation to the left by the number of bits specified by the right-hand argument, for example: 1 << 2 = 4. because 1 (decimal) is 1 (binary); left-shift twice makes it 100 which is 4 in decimal.Feb 19, 2019 · Launch the command prompt window: Press Windows Key + X. Click Run. Type in cmd.exe and hit enter. Alternatively, type cmd in the Windows search bar and click the “Command Prompt” icon. 2. Type in the following command at the command prompt: pip help. If PIP responds, then PIP is installed. Sep 3, 2023 · PHP로 작성된 프로그램 목록. 1. 개요 [편집] 대표적인 서버 사이드 스크립트 언어 로 전 세계 수많은 웹 시스템의 기반이 되는 언어. 비슷한 언어로는 Perl, Ruby 등이 있다. C-like 문법 [3] 으로 되어 있고, CGI보다 나으며, Perl처럼 배열이 연관 배열이라 자료 구조가 ... The POST Method. The POST method transfers information via HTTP headers. The information is encoded as described in case of GET method and put into a header called QUERY_STRING. The POST method does not have any restriction on data size to be sent. The POST method can be used to send ASCII as well as binary data.A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables: PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ».A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables: #!/usr/bin/env python # # Hi There! # # You may be wondering what this giant blob of binary data here is, you might # even be worried that we're up to something nefarious (good for you for being # paranoid!). There are two main ways to install PHP on a Windows®-based computer: download the Windows Installer or use the Windows Zip file from the PHP Web site. Either method will get PHP working, but both have some extra steps that are needed to make PHP work well. Windows InstallerIn order to set project specific configuration options, simply add a php.ini file to your project, and then run the built-in server with this flag: php -S localhost:8000 -c php.ini. This is especially helpful for settings that cannot be set at runtime (ini_set ()). up. down.在 PHP 中，赋值运算符 = 用于给变量赋值。 在 PHP 中，算术运算符 + 用于把值加在一起。 PHP 算术运算符 运算符 名称 描述 实例 结果 x + y 加 x 和 y 的和 2 + 2 4 x - y 减 x 和 y 的差 5 - 2 3 x * y 乘 x 和 y 的积 5 * 2 10 x / y 除 x 和 y 的商 15 /..Check PHP Version by Running PHP Code. The simplest method to determine the PHP version running on your website is executing a PHP file that contains the following code: <?php echo 'PHP version: ' . phpversion(); Create the file using a text editor like gedit or Notepad, and upload it to your website’s document root directory.May 29, 2019 · pip-download is a tool which can be used to download python projects and their dependencies listed on pypi's download files page. If you run the pip-download command to download one project on a Linux platform, packages end with .whl and can be directly installed on a Windows and a macOS platform will also be downloaded. PHP Operators. PHP Operator is a symbol i.e used to perform operations on operands. In simple words, operators are used to perform operations on variables or values.pip 是 Python 包管理工具，该工具提供了对Python 包的查找、下载、安装、卸载的功能。 目前如果你在 python.org 下载最新版本的安装包，则是已经自带了该工具。 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.It is the bitwise shift operator. Specifically, the left-shift operator. It takes the left-hand argument and shifts the binary representation to the left by the number of bits specified by the right-hand argument, for example: 1 << 2 = 4. because 1 (decimal) is 1 (binary); left-shift twice makes it 100 which is 4 in decimal.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 8.2 Download. 8.2.9 · Changelog · Upgrading. The POST Method. The POST method transfers information via HTTP headers. The information is encoded as described in case of GET method and put into a header called QUERY_STRING. The POST method does not have any restriction on data size to be sent. The POST method can be used to send ASCII as well as binary data. Launch the command prompt window: Press Windows Key + X. Click Run. Type in cmd.exe and hit enter. Alternatively, type cmd in the Windows search bar and click the “Command Prompt” icon. 2. Type in the following command at the command prompt: pip help. If PIP responds, then PIP is installed.Check PHP Version by Running PHP Code. The simplest method to determine the PHP version running on your website is executing a PHP file that contains the following code: <?php echo 'PHP version: ' . phpversion(); Create the file using a text editor like gedit or Notepad, and upload it to your website’s document root directory.Installing Pip for Python 2 and Python 3. Download get-pip.py to a folder on your computer. Open a command prompt and navigate to the folder containing get-pip.py. Run the following command: python get-pip.py, python3 get-pip.py or python3.6 get-pip.py, depending on which version of Python you want to install pip.In order to set project specific configuration options, simply add a php.ini file to your project, and then run the built-in server with this flag: php -S localhost:8000 -c php.ini. This is especially helpful for settings that cannot be set at runtime (ini_set ()). up. down.우분투의 apt-get 을 생각하면된다. pip는 파이썬 3.4이후 버전에는 기본적으로 포함되어있다. 2. pip 설치방법. 아래의 링크를 통해서 들어가서 get-pip.py를 다운받는다. https://bootstrap.pypa.io/. 해당링크에 들어가서 오른쪽마우스를 클릭해서 다른이름으로 링크 저장을 ... Dec 23, 2022 · Grav 1.7.29 PHP 8.1 benchmark results: 2137.43 req/sec 🏆; PHP 8.1 is the undisputed winner with Grav, closely followed by PHP 8.0 and the rest. Being a relatively new CMS, it has a smaller market share than WordPress. Hence, it can drop support for older PHP versions quite quickly. That’s one of the most significant advantages of modern CMSs. PHP tags. When PHP parses a file, it looks for opening and closing tags, which are <?php and ?> which tell PHP to start and stop interpreting the code between them. . Parsing in this manner allows PHP to be embedded in all sorts of different documents, as everything outside of a pair of opening and closing tags is ignored by the PHP parPHP: 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 8.2 Download. 8.2.9 · Changelog · Upgrading. Jun 30, 2023 · scikit-learn is a Python module for machine learning built on top of SciPy and is distributed under the 3-Clause BSD license. The project was started in 2007 by David Cournapeau as a Google Summer of Code project, and since then many volunteers have contributed. See the About us page for a list of core contributors. Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details. SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL. SQLAlchemy provides a full suite of well known enterprise-level persistence patterns, designed for efficient and high-performing database access, adapted into a simple and Pythonic domain language. Major ...I am getting started with Python¶. For new users who want to install a full Python environment for scientific computing and data science, we suggest installing the Anaconda or Canopy Python distributions, which provide Python, IPython and all of its dependences as well as a complete set of open source packages for scientific computing and data science.Aug 4, 2023 · Compression algorithms. py7zr supports algorithms and filters which lzma module and liblzma support, and supports BZip2 and Deflate that are implemented in python core libraries, It also supports ZStandard, Brotli and PPMd with third party libraries. py7zr is also able to encrypt and decrypt data using 3rd party encryption library. PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ».Jul 17, 2023 · pip install mysql-connector-pythonCopy PIP instructions. Latest version. Released: Jul 17, 2023. Basic PHP Syntax. A PHP script can be placed anywhere in the document. The default file extension for PHP files is " .php ". A PHP file normally contains HTML tags, and some PHP scripting code. Below, we have an example of a simple PHP file, with a PHP script that uses a built-in PHP function " echo " to output the text "Hello World!" Select Data From a MySQL Database. The SELECT statement is used to select data from one or more tables: SELECT column_name (s) FROM table_name. or we can use the * character to select ALL columns from a table: SELECT * FROM table_name. To learn more about SQL, please visit our SQL tutorial.The important thing to remember when using this format is that whatever string you use to define the end of the string (such as CHART in this case), that word has to appear on a line on its own, followed by a semicolon, and NO characters can occur after the semicolon on the same line, even whitespace, otherwise PHP thinks it's part of the string.PHP operators for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex ... pip 是 Python 包管理工具，该工具提供了对Python 包的查找、下载、安装、卸载的功能。 目前如果你在 python.org 下载最新版本的安装包，则是已经自带了该工具。Where src/ is the directory containing all your PHP code. Then, run the commands to build and run the Docker image: $ docker build -t my-php-app . $ docker run -d --name my-running-app my-php-app. We recommend that you add a php.ini configuration file; see the "Configuration" section for details.First, input the command: pip3 -V. If you see the version, the pip3 can be used. Then you can input command line to install nltk: pip3 install nltk. I got a way to help you use pip in zsh. We can use nano to edit files. In nano, ctrl + X to save and exit. In the ~ directory, input the command:. 可以看到，tensorflow 依赖 wrapt 这个包，因为指定了必须下载 Wheel 包，而 wrapt 没有提供相应的 Wheel 包，因而出现了上面的问题。 Apr 17, 2023 · PIP is a package management system used to install and manage software packages/libraries written in Python. These files are stored in a large “online repository” termed as Python Package Index (PyPI). pip uses PyPI as the default source for packages and their dependencies. Intel has been publishing wheels of packages like Numpy, Scipy and Scikit-learn to PyPI. These wheels have been built while linking against Intel MKL, and include various optimizations.Feb 19, 2019 · Launch the command prompt window: Press Windows Key + X. Click Run. Type in cmd.exe and hit enter. Alternatively, type cmd in the Windows search bar and click the “Command Prompt” icon. 2. Type in the following command at the command prompt: pip help. If PIP responds, then PIP is installed. Required Knowledge. Before you begin this PHP tutorial, it is necessary that you have a basic understanding and experience of the following: HTML - PHP can be written with HTML, so it's essential. Basic programming knowledge - If you have any traditional programming experience like C, then learning PHP will be very easy for you.#!/usr/bin/env python # # Hi There! # # You may be wondering what this giant blob of binary data here is, you might # even be worried that we're up to something nefarious (good for you for being # paranoid!).Mar 23, 2020 · pip can be downloaded and installed using command-line by going through the following steps: Download the get-pip.py file and store it in the same directory as python is installed. Change the current path of the directory in the command line to the path of the directory where the above file exists. Run the command given below: python get-pip.py ... PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ».PHP Operators. Operators are used to perform operations on variables and values. PHP divides the operators in the following groups: Arithmetic operators. Assignment operators. Comparison operators. Increment/Decrement operators. Logical operators. String operators.7 Min Read. PHP (Hypertext Preprocessor) is known as a general-purpose scripting language that can be utilized to create intuitive and dynamic websites. It was among the pioneer server-side language that can be integrated into HTML, making it easier to include functionality to web pages without requiring to call external data.PHP operators for beginners and professionals with examples, php file, php session, php date, php array, php form, functions, time, xml, ajax, php mysql, regex ... PHP Operators. Operators are used to perform operations on variables and values. PHP divides the operators in the following groups: Arithmetic operators. Assignment operators. Comparison operators. Increment/Decrement operators. Logical operators. String operators.How to Install Python PIP? Python PIP comes pre-installed on 3.4 or older versions of Python. To check whether PIP is installed or not type the below command in the terminal. pip --version. This command will tell the version of the Pip if it is already installed in the system. Checking Python PIP version.Required Knowledge. Before you begin this PHP tutorial, it is necessary that you have a basic understanding and experience of the following: HTML - PHP can be written with HTML, so it's essential. Basic programming knowledge - If you have any traditional programming experience like C, then learning PHP will be very easy for you.JupyterLab can be extended using npm packages that use our public APIs. The prebuilt extensions can be distributed via PyPI , conda, and other package managers. The source extensions can be installed directly from npm (search for jupyterlab-extension) but require an additional build step. You can also find JupyterLab extensions exploring GitHub ...To change the PHP settings, open your User or Workspace Settings ( ⌘, (Windows, Linux Ctrl+,)) and type 'php' to filter the list of available settings. To set the PHP executable path, select the Edit in settings.json link under PHP > Validate: Executable Path, which will open your user settings.json file.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. Dec 19, 2021 · Just like any other programming language, PHP also supports various types of operations like arithmetic operations (addition, subtraction, etc), logical operations (AND, OR etc), Increment/Decrement Operations, etc. Thus, PHP provides us with many operators to perform such operations on various operands or variables, or values. 우분투의 apt-get 을 생각하면된다. pip는 파이썬 3.4이후 버전에는 기본적으로 포함되어있다. 2. pip 설치방법. 아래의 링크를 통해서 들어가서 get-pip.py를 다운받는다. https://bootstrap.pypa.io/. 해당링크에 들어가서 오른쪽마우스를 클릭해서 다른이름으로 링크 저장을 ... Sep 13, 2010 · There is also something called a nowdoc which is like a single quote string in PHP, but these won't let you use variables inside them. It is the start of a string that uses the HEREDOC syntax. A third way to delimit strings is the heredoc syntax: <<<. After this operator, an identifier is provided, then a newline. Mar 15, 2022 · There are two main ways to install PHP on a Windows®-based computer: download the Windows Installer or use the Windows Zip file from the PHP Web site. Either method will get PHP working, but both have some extra steps that are needed to make PHP work well. Windows Installer Sep 13, 2010 · There is also something called a nowdoc which is like a single quote string in PHP, but these won't let you use variables inside them. It is the start of a string that uses the HEREDOC syntax. A third way to delimit strings is the heredoc syntax: <<<. After this operator, an identifier is provided, then a newline. PHP is a server scripting language, and a powerful tool for making dynamic and interactive Web pages. PHP is a widely-used, free, and efficient alternative to competitors such as Microsoft's ASP. Start learning PHP now ».FastCGI Process Manager (FPM) Installation. Configuration. Installation of PECL extensions. Introduction to PECL Installations. Downloading PECL extensions. Installing a PHP extension on Windows. Compiling shared PECL extensions with the pecl command. Compiling shared PECL extensions with phpize.Aug 22, 2023 · Linux Note: Starting with TensorFlow 2.10, Linux CPU-builds for Aarch64/ARM64 processors are built, maintained, tested and released by a third party: AWS.Installing the tensorflow package on an ARM machine installs AWS's tensorflow-cpu-aws package. PHP Operators. Operators are used to perform operations on variables and values. PHP divides the operators in the following groups: Arithmetic operators. Assignment operators. Comparison operators. Increment/Decrement operators. Logical operators. String operators.Our basic PHP website is going to feature a home page, including biographical information and some images. For this simple PHP website, you're going to create a single PHP page populated by content from three HTML pages. The index.php file you create can then be edited by adjusting the words and images from the original HTML files.A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables:لغة PHP (والتي هي اختصارٌ تعاودي للعبارة PHP: Hypertext Preprocessor) هي لغةٌ مفتوحة المصدر شائعة الاستخدام لها مجال استخدامٍ عامٍ لكنها تناسب تطوير الويب ودمج لغة HTML معها. الذي يُميّز PHP عن الشيفرات التي ...Jan 14, 2021 · Check PHP Version by Running PHP Code. The simplest method to determine the PHP version running on your website is executing a PHP file that contains the following code: <?php echo 'PHP version: ' . phpversion(); Create the file using a text editor like gedit or Notepad, and upload it to your website’s document root directory. Add this line at the end of the file -. alias pip="pip3". Close the file. Don't forget to source this file in the terminal by. source ~/.bashrc. You are good to go. Now, whenever you will use pip in any command. it will be interpreted as pip3. You can check it by running the command -. pip --version.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.获取 PHP; 数据库问题; 安装 — 安装常见问题; 编译问题; 使用 PHP; 密码散列 — 密码散列安全; PHP 和 HTML; PHP 和 COM; 其他问题; 附录. PHP 及其相关工程的历史; Migrating from PHP 7.3.x to PHP 7.4.x; 从 PHP 7.2.x 移植到 PHP 7.3.x; 从PHP 7.1.x 移植到 PHP 7.2.x; 从PHP 7.0.x 移植到 PHP 7.1.x ...
Command line options; Option Long Option Description-a--interactive: Run PHP interactively. For more information, see the Interactive shell section.-b--bindpath: Bind Path for external FASTCGI Server mode (CGI only).. Apply applebee
Jun 17, 2022 · 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 ... The user friendly PHP online compiler that allows you to Write PHP code and run it online. The PHP text editor also supports taking input from the user and standard libraries. It uses the PHP compiler to compile code.Aug 1, 2023 · Command line options; Option Long Option Description-a--interactive: Run PHP interactively. For more information, see the Interactive shell section.-b--bindpath: Bind Path for external FASTCGI Server mode (CGI only). Just like any other programming language, PHP also supports various types of operations like arithmetic operations (addition, subtraction, etc), logical operations (AND, OR etc), Increment/Decrement Operations, etc. Thus, PHP provides us with many operators to perform such operations on various operands or variables, or values.JupyterLab can be extended using npm packages that use our public APIs. The prebuilt extensions can be distributed via PyPI , conda, and other package managers. The source extensions can be installed directly from npm (search for jupyterlab-extension) but require an additional build step. You can also find JupyterLab extensions exploring GitHub ...Firstly Make sure Python and pip is preinstalled on your system. Type the following commands in command prompt to check is python and pip is installed on your system. To check Python: python --version. If python is successfully installed, the version of python installed on your system will be displayed. To check pip.There are two main ways to install PHP on a Windows®-based computer: download the Windows Installer or use the Windows Zip file from the PHP Web site. Either method will get PHP working, but both have some extra steps that are needed to make PHP work well. Windows Installer#!/usr/bin/env python # # Hi There! # # You may be wondering what this giant blob of binary data here is, you might # even be worried that we're up to something nefarious (good for you for being # paranoid!). A session is started with the session_start () function. Session variables are set with the PHP global variable: $_SESSION. Now, let's create a new page called "demo_session1.php". In this page, we start a new PHP session and set some session variables: JupyterLab can be extended using npm packages that use our public APIs. The prebuilt extensions can be distributed via PyPI , conda, and other package managers. The source extensions can be installed directly from npm (search for jupyterlab-extension) but require an additional build step. You can also find JupyterLab extensions exploring GitHub ...a Chromium based web browser, as well as traditional UI development. PyQt5 is a comprehensive set of Python bindings for Qt v5. It is implemented. including iOS and Android. applications to configure or enhance the functionality of those applications. PyQt5 is copyright (c) Riverbank Computing Limited.Aug 27, 2020 · How to use comments in Python. Try and Except in Python. Count Rows With Null Values in PySpark. PySpark OrderBy One or Multiple Columns. Select Rows with Null values in PySpark. PySpark Count Distinct Values in One or Multiple Columns. PySpark Filter Rows in a DataFrame by Condition. Aug 1, 2023 · Command line options; Option Long Option Description-a--interactive: Run PHP interactively. For more information, see the Interactive shell section.-b--bindpath: Bind Path for external FASTCGI Server mode (CGI only). PHP로 작성된 프로그램 목록. 1. 개요 [편집] 대표적인 서버 사이드 스크립트 언어 로 전 세계 수많은 웹 시스템의 기반이 되는 언어. 비슷한 언어로는 Perl, Ruby 등이 있다. C-like 문법 [3] 으로 되어 있고, CGI보다 나으며, Perl처럼 배열이 연관 배열이라 자료 구조가 ...Intel has been publishing wheels of packages like Numpy, Scipy and Scikit-learn to PyPI. These wheels have been built while linking against Intel MKL, and include various optimizations.Mar 15, 2022 · There are two main ways to install PHP on a Windows®-based computer: download the Windows Installer or use the Windows Zip file from the PHP Web site. Either method will get PHP working, but both have some extra steps that are needed to make PHP work well. Windows Installer Sep 3, 2023 · PHP로 작성된 프로그램 목록. 1. 개요 [편집] 대표적인 서버 사이드 스크립트 언어 로 전 세계 수많은 웹 시스템의 기반이 되는 언어. 비슷한 언어로는 Perl, Ruby 등이 있다. C-like 문법 [3] 으로 되어 있고, CGI보다 나으며, Perl처럼 배열이 연관 배열이라 자료 구조가 ... The user friendly PHP online compiler that allows you to Write PHP code and run it online. The PHP text editor also supports taking input from the user and standard libraries. It uses the PHP compiler to compile code. .