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 ». Jun 9, 2023 · This PHP tutorial, whether you’re a beginner or a professional, our tutorial is designed to provide you with in-depth knowledge of the PHP scripting language. With our PHP tutorial, you’ll learn all the important topics, including control statements, functions, arrays, strings, file handling, form handling, regular expressions, date and ... The PHP date () function is used to format a date and/or a time. The PHP Date () Function The PHP date () function formats a timestamp to a more readable date and time. Syntax date ( format, timestamp ) A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred. Get a DateDownload a Package. Downloading a package is very easy. Open the command line interface and tell PIP to download the package you want. Navigate your command line to the location of Python's script directory, and type the following: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.We would like to show you a description here but the site won’t allow us.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.Aug 2, 2010 · This package was approved as a trusted package on 30 Aug 2023. Description. PHP is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly. pub 2048R/31CBD89E 2016-12-08 Key fingerprint = 5289 95BF EDFB A719 1D46 839E F9BA 0ADA 31CB D89E uid Joe Watkins <[email protected]> pub rsa4096 2021-04-26 [SC] [expires: 2025-11-24] 39B6 4134 3D8C 104B 2B14 6DC3 F9C3 9DC0 B969 8544 uid [ultimate] Ben Ramsey <[email protected]> sub rsa4096 2021-04-26 [E] [expires: 2025-11-24] pub rsa4096 2021-04-01 [SC] F1F6 9223 8FBC 1666 E5A5 CCD4 199F 9DFE F6FF ...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.MySQL is a database system used on the web. MySQL is a database system that runs on a server. MySQL is ideal for both small and large applications. MySQL is very fast, reliable, and easy to use. MySQL uses standard SQL. MySQL compiles on a number of platforms. MySQL is free to download and use. MySQL is developed, distributed, and supported by ... Read key-value pairs from a .env file and set them as environment variablesNov 21, 2022 · Step 1: First, we need to download our desired .whl file from the official PyPi website (pypi.org), open the website and click on browse projects. Step 2: After clicking browse projects click on the Python 3 compatible projects. Step 3: After clicking Python 3 compatible projects, search for the desired package of user’s choice. Dec 31, 2022 · PyPDF2 is a free and open-source pure-python PDF library capable of splitting, merging , cropping, and transforming the pages of PDF files. It can also add custom data, viewing options, and passwords to PDF files. PyPDF2 can retrieve text and metadata from PDFs as well. Aug 1, 2023 · PHP-GTK related documentation is hosted on the PHP-GTK website. Documentation of PEAR and the various packages can be found on a separate server. You can still read a copy of the original PHP/FI 2.0 Manual on our site, which we only host for historical purposes. The same applies to the PHP 3 Manual . 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 ». Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures FunctionsAug 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. 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 ... This is like an E_WARNING set by the programmer using the PHP function trigger_error() E_USER_NOTICE 1024; User-generated notice. This is like an E_NOTICE set by the programmer using the PHP function trigger_error() E_STRICT 2048; Run-time notices. PHP suggest changes to your code to help interoperability and compatibility of the code; E ...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!"Aug 1, 2023 · The reason for the two different variations of "and" and "or" operators is that they operate at different precedences. (See Operator Precedence.) PHP frameworks offer several benefits, making them a compelling choice for web developers. Firstly, PHP frameworks offer a structured approach to development with pre-built components, streamlining the process, accelerating project completion, and enhancing productivity. Secondly, using a PHP framework can contribute to cost savings.<body> <?php echo "My first PHP script!"; ?> </body> </html> Try it Yourself » Click on the "Try it Yourself" button to see how it works. PHP Exercises Test Yourself With Exercises Exercise: Insert the missing part of the code below to output "Hello World". "Hello World"; Submit Answer » PHP Examples Learn by examples!Jan 11, 2015 · Open command prompt and open the folder where you have kept the file by entering. cd c:\python 3.7. 3.Now, enter the command written below. >py -3.7 (version name) -m pip install (file name).whl. Click enter and make sure you enter the version you are currently using with correct file name. 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.Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. Dec 8, 2021 · 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 - 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. PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server. PHP is pleasingly zippy in its execution ... Mar 15, 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. 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.The Uncompromising Code Formatter “Any color you like.” Black is the uncompromising Python code formatter. By using it, you agree to cede control over minutiae of hand-formatting.Aug 1, 2023 · There are two string operators. The first is the concatenation operator ('.'), which returns the concatenation of its right and left arguments. The second is the concatenating assignment operator (' .= '), which appends the argument on the right side to the argument on the left side. Please read Assignment Operators for more information. 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: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.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.Open command prompt and open the folder where you have kept the file by entering. cd c:\python 3.7. 3.Now, enter the command written below. >py -3.7 (version name) -m pip install (file name).whl. Click enter and make sure you enter the version you are currently using with correct file name.The PHP date () function is used to format a date and/or a time. The PHP Date () Function The PHP date () function formats a timestamp to a more readable date and time. Syntax date ( format, timestamp ) A timestamp is a sequence of characters, denoting the date and/or time at which a certain event occurred. Get a Date To install Jupyter using pip, we need to first check if pip is updated in our system. Use the following command to update pip: python -m pip install --upgrade pip. After updating the pip version, follow the instructions provided below to install Jupyter: Command to install Jupyter: python -m pip install jupyter.Payee Information Portal (PIP) As of July 1, 2016, email is now the default means of communication for City agencies' Invitations for Bids (IFBs), Requests for Proposals (RFPs) and notices of availability. Notifications by paper mail, fax, hand delivery or otherwise are only available upon request to the contracting agency. Agencies will use ... 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.Feb 1, 2023 · shell. python -m pip install wget python3 -m pip install wget py -m pip install wget. Alternatively, you can install the wget module in a virtual environment: Open the root directory of your project. Press Shift and right-click in Explorer. Click on "Open PowerShell window here". Run the following commands. PyPDF2 is a free and open-source pure-python PDF library capable of splitting, merging , cropping, and transforming the pages of PDF files. It can also add custom data, viewing options, and passwords to PDF files. PyPDF2 can retrieve text and metadata from PDFs as well.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 /..MySQL is a database system used on the web. MySQL is a database system that runs on a server. MySQL is ideal for both small and large applications. MySQL is very fast, reliable, and easy to use. MySQL uses standard SQL. MySQL compiles on a number of platforms. MySQL is free to download and use. MySQL is developed, distributed, and supported by ... PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. 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.A comment in PHP code is a line that is not executed as a part of the program. Its only purpose is to be read by someone who is looking at the code. Comments can be used to: Let others understand your code. Remind yourself of what you did - Most programmers have experienced coming back to their own work a year or two later and having to re ...Jan 14, 2021 · If you have permission to SSH into the remote server, use the command line to check the installed PHP version. This method is also useful for checking the PHP version installed locally. 1. Type the PHP command: php -v. 2. The php -v command works on Linux, macOS, Windows, and other supported systems. Its output contains the PHP version number ... Aug 1, 2023 · 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 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). Aug 1, 2023 · However, PHP Manual is not listed "(" and ")" in precedence list. It looks like "(" and ")" has higher precedence as it should be. Note: If you write following code, you would need "()" to get expected value. 1. In PHP the logic equivalent of the MySQL's function now () is time (). But time () return a Unix timestamp that is different from a MySQL DATETIME. So you must convert the Unix timestamp returned from time () in the MySQL format. You do it with: date ("Y-m-d H:i:s");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.pub 2048R/31CBD89E 2016-12-08 Key fingerprint = 5289 95BF EDFB A719 1D46 839E F9BA 0ADA 31CB D89E uid Joe Watkins <[email protected]> pub rsa4096 2021-04-26 [SC] [expires: 2025-11-24] 39B6 4134 3D8C 104B 2B14 6DC3 F9C3 9DC0 B969 8544 uid [ultimate] Ben Ramsey <[email protected]> sub rsa4096 2021-04-26 [E] [expires: 2025-11-24] pub rsa4096 2021-04-01 [SC] F1F6 9223 8FBC 1666 E5A5 CCD4 199F 9DFE F6FF ... 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.May 29, 2023 · Factors to Consider When Choosing a PHP Framework. Best PHP Frameworks in 2023 (Comparison Table) 10 Best PHP Frameworks in 2023 (Ranked) Laravel. Symfony. Yii 2. CakePHP. CodeIgniter. Zend Framework. Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. Select and Filter Data From a MySQL Database. The WHERE clause is used to filter records. The WHERE clause is used to extract only those records that fulfill a specified condition. SELECT column_name (s) FROM table_name WHERE column_name operator value. To learn more about SQL, please visit our SQL tutorial.W3Schools Spaces is a website-building tool that enables you to create and share your own website, as well as develop and host your PHP applications. You can change the website's look and how it works by editing the code right in your web browser. It's easy to use and doesn't require any setupA comment in PHP code is a line that is not executed as a part of the program. Its only purpose is to be read by someone who is looking at the code. Comments can be used to: Let others understand your code. Remind yourself of what you did - Most programmers have experienced coming back to their own work a year or two later and having to re ...PHP is a recursive acronym for "PHP: Hypertext Preprocessor". PHP is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and ... Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures FunctionsIt would appear that in php the increment in the left side of the assignment is processed prior to processing the right side of the assignment, whereas in C, neither increment occurs until after the assignment.15. According to the article How to Get Current Datetime (NOW) with PHP, there are two common ways to get the current date. To get current datetime (now) with PHP, you can use the date class with any PHP version, or better the datetime class with PHP >= 5.2. Various date format expressions are available here.Mar 20, 2013 · If you find that when you restart your computer, this solution will not work anymore: Set the Path like as following: Step 1 - Click on the Windows icon. Step 2 - Click on the Settings icon. Step 3 - Click on System. Step 4 - Click on About. Step 5 - Click on System info. Step 6 - Click on Advanced system settings. 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.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 ...Mar 20, 2013 · If you find that when you restart your computer, this solution will not work anymore: Set the Path like as following: Step 1 - Click on the Windows icon. Step 2 - Click on the Settings icon. Step 3 - Click on System. Step 4 - Click on About. Step 5 - Click on System info. Step 6 - Click on Advanced system settings. setup.py will detect HDF5, Blosc, LZO, or bzip2 libraries and include files under /usr or /usr/local; this will cover most manual installations as well as installations from packages.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 is a server side scripting language that is embedded in HTML. It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites. It is integrated with a number of popular databases, including MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server. PHP is pleasingly zippy in its execution ...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. Aug 1, 2023 · However, PHP Manual is not listed "(" and ")" in precedence list. It looks like "(" and ")" has higher precedence as it should be. Note: If you write following code, you would need "()" to get expected value. 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.Strings. ¶. A string is a series of characters, where a character is the same as a byte. This means that PHP only supports a 256-character set, and hence does not offer native Unicode support. See details of the string type . Note: On 32-bit builds, a string can be as large as up to 2GB (2147483647 bytes maximum)Aug 1, 2023 · However, PHP Manual is not listed "(" and ")" in precedence list. It looks like "(" and ")" has higher precedence as it should be. Note: If you write following code, you would need "()" to get expected value. Indication Non-hormonal safe sexual stimulant. Increases libido. Corrects erectile dysfunction and oligospermia. Safe for long term use. Promotes Spermatogenesis. Improves Sperm Motility & Morphology. Enhances Semen Volume. Dosage One tablet twice daily with a glass of milk.To get the function name inside the PHP function we need to use Magic constants (__FUNCTION__). Magic constants: Magic constants are the predefined constants in PHP which is used on the basis of their use. These constants are starts and end with a double underscore (__). These constants are created by various extensions.Step 1: First, we need to download our desired .whl file from the official PyPi website (pypi.org), open the website and click on browse projects. Step 2: After clicking browse projects click on the Python 3 compatible projects. Step 3: After clicking Python 3 compatible projects, search for the desired package of user’s choice.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.2 years ago. In php there are 3 types of comments. 1.single line c++ style comment (//) 2.single line Unix shell stype comment (#) 3.multi line c style comment (/*/) single or multi line comment comes to the end of the line or come first to the current block of php code.Apr 24, 2023 · PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format. May 29, 2023 · Factors to Consider When Choosing a PHP Framework. Best PHP Frameworks in 2023 (Comparison Table) 10 Best PHP Frameworks in 2023 (Ranked) Laravel. Symfony. Yii 2. CakePHP. CodeIgniter. Zend Framework. PHP: Attributes overview - Manual. PHP 8.1.23 Released! Predefined Variables. Predefined Exceptions. Predefined Interfaces and Classes. Predefined Attributes. Context options and parameters. Supported Protocols and Wrappers. With attributes the generic implementation of a feature and its concrete use in an application can be decoupled.PHP is a server-side scripting language, which means that a server executes the instructions in a script. Then, the server provides data on request, channels the requests, and organizes the information in a database. When a web server receives a script, it will process the request and send output to a web browser in an HTML format.
PHP (recursive acronym for PHP: Hypertext Preprocessor) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. Nice, but what does that mean? An example: Example #1 An introductory example <!DOCTYPE html> <html> <head> <title>Example</title> </head> <body>. Fc2 2661857
15. According to the article How to Get Current Datetime (NOW) with PHP, there are two common ways to get the current date. To get current datetime (now) with PHP, you can use the date class with any PHP version, or better the datetime class with PHP >= 5.2. Various date format expressions are available here.Returns a string formatted according to the given format string using the given integer timestamp (Unix timestamp) or the current time if no timestamp is given. In other words, timestamp is optional and defaults to the value of time().Nov 21, 2022 · Step 1: First, we need to download our desired .whl file from the official PyPi website (pypi.org), open the website and click on browse projects. Step 2: After clicking browse projects click on the Python 3 compatible projects. Step 3: After clicking Python 3 compatible projects, search for the desired package of user’s choice. Aug 1, 2023 · The reason for the two different variations of "and" and "or" operators is that they operate at different precedences. (See Operator Precedence.) 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 10, 2023 · The Uncompromising Code Formatter “Any color you like.” Black is the uncompromising Python code formatter. By using it, you agree to cede control over minutiae of hand-formatting. 15. According to the article How to Get Current Datetime (NOW) with PHP, there are two common ways to get the current date. To get current datetime (now) with PHP, you can use the date class with any PHP version, or better the datetime class with PHP >= 5.2. Various date format expressions are available here.shell. python -m pip install wget python3 -m pip install wget py -m pip install wget. Alternatively, you can install the wget module in a virtual environment: Open the root directory of your project. Press Shift and right-click in Explorer. Click on "Open PowerShell window here". Run the following commands.Aug 1, 2023 · The reason for the two different variations of "and" and "or" operators is that they operate at different precedences. (See Operator Precedence.) Great if you like your tutorials to the point. 11. Learn-php.org Free Interactive PHP Tutorial. Learn-php.org free interactive PHP tutorial. The unique thing about this PHP tutorial is that it’s a set of interactive exercises that encourage you to try out coding and see if you can get the expected output.PHP is a server-side scripting language created in 1995 by Rasmus Lerdorf. PHP is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. What is PHP used for? As of October 2018, PHP is used on 80% of websites whose server-side language is known. It is typically ...Dec 1, 2019 · PHP is a server-side scripting language created in 1995 by Rasmus Lerdorf. PHP is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML. What is PHP used for? As of October 2018, PHP is used on 80% of websites whose server-side language is known. It is typically ... Arrow functions have the basic form fn (argument_list) => expr . Arrow functions support the same features as anonymous functions, except that using variables from the parent scope is always automatic. When a variable used in the expression is defined in the parent scope it will be implicitly captured by-value.This PHP tutorial, whether you’re a beginner or a professional, our tutorial is designed to provide you with in-depth knowledge of the PHP scripting language. With our PHP tutorial, you’ll learn all the important topics, including control statements, functions, arrays, strings, file handling, form handling, regular expressions, date and ...Aug 1, 2023 · (PHP 8) Attributes offer the ability to add structured, machine-readable metadata information on declarations in code: Classes, methods, functions, parameters, properties and class constants can be the target of an attribute. The metadata defined by attributes can then be inspected at runtime using the Reflection APIs. Attributes could ... 1. In PHP the logic equivalent of the MySQL's function now () is time (). But time () return a Unix timestamp that is different from a MySQL DATETIME. So you must convert the Unix timestamp returned from time () in the MySQL format. You do it with: date ("Y-m-d H:i:s");PHP Variables. A variable can have a short name (like x and y) or a more descriptive name (age, carname, total_volume). A variable starts with the $ sign, followed by the name of the variable. A variable name must start with a letter or the underscore character. A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9 ... .