Aug 1, 2023 · Solution: If you want to have a function that uses references to modify a member of your object, your object should never pass the member to the function directly. It should first make a copy of the member. Then give that copy to the function. Then copy the new value of that copy in to your original object member. Oct 5, 2010 · @chiccodoro: thanks for the advice, i edited the answer. @ravi: your install of xampp contains two versions of php (4.4.7 and 5.2.4); you must use the 5.2.4 to benefit from the bundled json extension. If you use the 4.2.7 version, either change versions or install the extension following the link i posted – 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.Oct 5, 2010 · @chiccodoro: thanks for the advice, i edited the answer. @ravi: your install of xampp contains two versions of php (4.4.7 and 5.2.4); you must use the 5.2.4 to benefit from the bundled json extension. If you use the 4.2.7 version, either change versions or install the extension following the link i posted – Nov 22, 2012 · PHP has many predefined constants that are often useful. Here, PHP_OS is the one you are looking for. For instance, on my current machine, this code : var_dump(PHP_OS); Gives : string 'Linux' (length=5) You have some examples and comparisons with what the php_uname function can get you on the manual page of php_uname; for instance (quoting): Jan 20, 2015 · pcregrep -rMl '\?> [\s ]+\z' *. This will match all files in the folder and subfolders (the -r part) using PCRE multiline match (the -M part), and only list their filenames (the -l part). As for the pattern, well that matches ?> followed by 1 or more whitespace or newline characters, followed by the end of the file \z. Dec 9, 2016 · To find the real php.ini that you need to change go to Terminal and run the following: php -i | grep "php.ini". You'll get a path like this: Configuration File (php.ini) Path => /etc. When you go to that directory you may find that you, in fact, have no php.ini file at all but instead have something named php.ini.default !!! Alpine Linux PHP + iconv fix. To use PHP with iconv on Alpine Linux – in a Docker container for example – you need to use the preloadable iconv library, which was previously provided with the gnu-libiconv package, but was removed after Alpine v3.13. After recently rebuilding an Alpine image and running a PHP script that required iconv, I ...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 ... May 31, 2021 · The first parameter specifies the string that you want to decode. The second parameter determines how the decoded data is returned. Setting it to true will return an associative array, and false will return objects. Here is a basic example. We have a file called people.json with the following contents: 1. {. PHP supports C-style pre- and post-increment and decrement operators. Note: The increment/decrement operators only affect numbers and strings. Arrays, objects, booleans and resources are not affected. Decrementing null values has no effect too, but incrementing them results in 1. Increment/decrement Operators.In PHP, the array () function is used to create an array: array (); In PHP, there are three types of arrays: Indexed arrays - Arrays with a numeric index. Associative arrays - Arrays with named keys. Multidimensional arrays - Arrays containing one or more arrays. Aug 1, 2023 · Solution: If you want to have a function that uses references to modify a member of your object, your object should never pass the member to the function directly. It should first make a copy of the member. Then give that copy to the function. Then copy the new value of that copy in to your original object member. Copy. NOTE: This only needs to be done only once, unless your distribution changes or you want to switch from stable to nightly builds. Phalcon installation. To install Phalcon you need to type the following commands in your terminal: sudo apt-get update sudo apt- get install php7 .2 -phalcon. Copy.Setting up PHP on LiteSpeed Web Server is simple with the induction of the PHP section starting in LSWS version 5.3. For control panel environments the PHP is auto detected and if needed can be overridden on a per setup basis. This setup will show you how to manually setup the PHP section to work with the binaries on your system to serve PHP files. 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 ... 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 ...Aug 30, 2021 · PHP is an open-source server-side scripting language that many devs use for web development. It is also a general-purpose language that you can use to make lots of projects, including Graphical User Interfaces (GUIs). In this article, I will help you explore the world of PHP so you can learn how it works and its basic features. I am trying to run composer update and I get the following errors: Problem 1 - The requested PHP extension ext-zip * is missing from your system. Install or enable PHP's zip extension. Probl...Formatter. This PHP formatter allows you to make your code readable so you can edit it in a more simple fashion. Autodetect HTML XML CSS JavaScript PHP JSON. xxxxxxxxxx. 1. Tab size.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 ... Oct 16, 2015 at 18:09. Add a comment. 0. You have to put this line ( extension=mongo.so) inside (at the end worked for me) your php.ini file. If you don't know where your php.ini file is, you can display its location using this following line : echo phpinfo (); (from a php page of your project). Look at the line "Loaded Configuration 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.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.Xe Currency Converter Convert Send Charts Alerts Amount 1$ From USD – US Dollar To PHP – Philippine Peso 1.00 US Dollar = Philippine Pesos 1 PHP = 0.0175427 USD 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 View transfer quotePHP: 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. Aug 23, 2011 · Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions June 29, 2020. In June, 1995, Rasmus Lerdorf made an announcement on a Usenet group. You can still read it. Today, twenty five years on, PHP is about as ubiquitous as it could possibly have become ...Welcome. There’s a lot of outdated information on the Web that leads new PHP users astray, propagating bad practices and insecure code. PHP: The Right Way is an easy-to-read, quick reference for PHP popular coding standards, links to authoritative tutorials around the Web, and what the contributors consider to be best practices at present.May 5, 2012 · 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. Note that the ; is redundant; as the answers suggest this short-tag expands to an echo with a semicolon added to the end, as per the php documents. – not-just-yeti Oct 5, 2015 at 1:25Arrow 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.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: 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.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. Oct 16, 2015 at 18:09. Add a comment. 0. You have to put this line ( extension=mongo.so) inside (at the end worked for me) your php.ini file. If you don't know where your php.ini file is, you can display its location using this following line : echo phpinfo (); (from a php page of your project). Look at the line "Loaded Configuration File".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 ... Open the terminal prompt and then type the following commands. Login to the remote server using the ssh command. For example: ssh user@linux-unix-server-ip. To check PHP version, run: php --version OR php-cgi --version. To print PHP 7 version, type: php7 --version OR php7-cgi --version. Find latest PHP 8 version, type: php8 --version OR php8 ...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.Aug 1, 2023 · Arrays. ¶. An array in PHP is actually an ordered map. A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated as an array, list (vector), hash table (an implementation of a map), dictionary, collection, stack, queue, and probably more. As array values can be other array s, trees and ... 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.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. 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:Aug 23, 2011 · Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Open the terminal prompt and then type the following commands. Login to the remote server using the ssh command. For example: ssh user@linux-unix-server-ip. To check PHP version, run: php --version OR php-cgi --version. To print PHP 7 version, type: php7 --version OR php7-cgi --version. Find latest PHP 8 version, type: php8 --version OR php8 ...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.Aug 1, 2023 · 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) I am working on an a PHP web application and i need to perform some network operations in the request like fetching someone from remote server based on user's request. Is it possible to simulateOct 16, 2015 at 18:09. Add a comment. 0. You have to put this line ( extension=mongo.so) inside (at the end worked for me) your php.ini file. If you don't know where your php.ini file is, you can display its location using this following line : echo phpinfo (); (from a php page of your project). Look at the line "Loaded Configuration File".June 29, 2020. In June, 1995, Rasmus Lerdorf made an announcement on a Usenet group. You can still read it. Today, twenty five years on, PHP is about as ubiquitous as it could possibly have become ...Aug 30, 2021 · PHP is an open-source server-side scripting language that many devs use for web development. It is also a general-purpose language that you can use to make lots of projects, including Graphical User Interfaces (GUIs). In this article, I will help you explore the world of PHP so you can learn how it works and its basic features. In RHEL 6 I have installed PHP 7.2 via remi repository: # yum --enablerepo=remi-php72 install php Checked which modules are preinstalled with php -m. It is not listed. So I proceed to install it: # yum --enablerepo=remi-php72 php72-php-oci8 Installed: php72-php-oci8.x86_64 0:7.2.17-1.el6.remi Complete! Check modules again and oci8 not yet loaded.The PHP concatenation operator (.) is used to combine two string values to create one string. .=. Concatenation assignment.Aug 1, 2023 · Arrays. ¶. An array in PHP is actually an ordered map. A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated as an array, list (vector), hash table (an implementation of a map), dictionary, collection, stack, queue, and probably more. As array values can be other array s, trees and ... What I'm trying to come up with is a way so PHP collects the info like count or coordinates or description but collect only if it's description (Warehouse or Office or Parking) is included in the array of allowed/valid criteria which is listed above.Welcome. There’s a lot of outdated information on the Web that leads new PHP users astray, propagating bad practices and insecure code. PHP: The Right Way is an easy-to-read, quick reference for PHP popular coding standards, links to authoritative tutorials around the Web, and what the contributors consider to be best practices at present.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 ...In PHP, the array () function is used to create an array: array (); In PHP, there are three types of arrays: Indexed arrays - Arrays with a numeric index. Associative arrays - Arrays with named keys. Multidimensional arrays - Arrays containing one or more arrays.Feb 16, 2014 · Now we have the phpredis extension installed. Copy and paste the content of “modules” folder to the php extension directory or use the following command in terminal. sudo cp modules/redis.so {php-config–extension-dir} Now, we need to configure php to use it. Add the following lines in php.ini for your php installation. Setting up PHP on LiteSpeed Web Server is simple with the induction of the PHP section starting in LSWS version 5.3. For control panel environments the PHP is auto detected and if needed can be overridden on a per setup basis. This setup will show you how to manually setup the PHP section to work with the binaries on your system to serve PHP files. Feb 16, 2014 · Now we have the phpredis extension installed. Copy and paste the content of “modules” folder to the php extension directory or use the following command in terminal. sudo cp modules/redis.so {php-config–extension-dir} Now, we need to configure php to use it. Add the following lines in php.ini for your php installation. Jan 20, 2015 · pcregrep -rMl '\?> [\s ]+\z' *. This will match all files in the folder and subfolders (the -r part) using PCRE multiline match (the -M part), and only list their filenames (the -l part). As for the pattern, well that matches ?> followed by 1 or more whitespace or newline characters, followed by the end of the file \z. Introduction. The Carbon class is inherited from the PHP DateTime class. <?php namespace Carbon ; class Carbon extends \DateTime { // code here } You can see from the code snippet above that the Carbon class is declared in the Carbon namespace. You need to import the namespace to use Carbon without having to provide its fully qualified name ... Aug 23, 2011 · Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Xe Currency Converter Convert Send Charts Alerts Amount 1.00₱ From PHP – Philippine Peso To USD – US Dollar 1.00 Philippine Peso = 0.01 7649551 US Dollars 1 USD = 56.6587 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 ratesNote that the ; is redundant; as the answers suggest this short-tag expands to an echo with a semicolon added to the end, as per the php documents. – not-just-yeti Oct 5, 2015 at 1:25Aug 23, 2011 · Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions 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 ». Issue Cannot enable the JSON extension in CloudLinux PHP Selector Environment PHP Selector Solution 1. Validate the alt-php7x-common...Oct 16, 2015 at 18:09. Add a comment. 0. You have to put this line ( extension=mongo.so) inside (at the end worked for me) your php.ini file. If you don't know where your php.ini file is, you can display its location using this following line : echo phpinfo (); (from a php page of your project). Look at the line "Loaded Configuration File".Dec 9, 2016 · To find the real php.ini that you need to change go to Terminal and run the following: php -i | grep "php.ini". You'll get a path like this: Configuration File (php.ini) Path => /etc. When you go to that directory you may find that you, in fact, have no php.ini file at all but instead have something named php.ini.default !!! November 8, 2020 ·. Get the new FTR (FSR) truck today at only 330,000 deposit. Upto 95% financing .More power and loading capacity (extra 2 tonnes). Call Kevin at 0725063179 for more details.Forward compatibility with PHP 7.4 #32. lcobucci closed this as completed in #32 on Oct 30, 2019. Axent96 mentioned this issue on Jan 28, 2020.This looks like a comment to older versions of PHP, but tells PHP 8.1 not to raise the deprecation notice. Then, once you don't need to support older versions of PHP, you can fix the return type. What should you do now? Firstly, read the message carefully to find out which method you need to change, and what the correct return type is.Aug 1, 2023 · 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. Jul 3, 2019 · Install the PHP drivers for Microsoft SQL Server. I'm using web server nginx, php 7.1 fpm and laravel in Centos 7. I want to install SQL Server following the official installation tutorial for Linux but I'm confused with this command: echo extension=pdo_sqlsrv.so >> `php --ini | grep "Scan for additional .ini files" | sed -e "s|.*:\s*||"`/pdo ... 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 ».I am working on an a PHP web application and i need to perform some network operations in the request like fetching someone from remote server based on user's request. Is it possible to simulate 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 ... 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.Dec 9, 2016 · To find the real php.ini that you need to change go to Terminal and run the following: php -i | grep "php.ini". You'll get a path like this: Configuration File (php.ini) Path => /etc. When you go to that directory you may find that you, in fact, have no php.ini file at all but instead have something named php.ini.default !!! Aug 30, 2021 · PHP is an open-source server-side scripting language that many devs use for web development. It is also a general-purpose language that you can use to make lots of projects, including Graphical User Interfaces (GUIs). In this article, I will help you explore the world of PHP so you can learn how it works and its basic features. 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 ...Aug 1, 2023 · PHP supports C-style pre- and post-increment and decrement operators. Note: The increment/decrement operators only affect numbers and strings. Arrays, objects, booleans and resources are not affected. Decrementing null values has no effect too, but incrementing them results in 1. Increment/decrement Operators. Install the PHP drivers for Microsoft SQL Server. I'm using web server nginx, php 7.1 fpm and laravel in Centos 7. I want to install SQL Server following the official installation tutorial for Linux but I'm confused with this command: echo extension=pdo_sqlsrv.so >> `php --ini | grep "Scan for additional .ini files" | sed -e "s|.*:\s*||"`/pdo ...May 29, 2023 · 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.
Copy. NOTE: This only needs to be done only once, unless your distribution changes or you want to switch from stable to nightly builds. Phalcon installation. To install Phalcon you need to type the following commands in your terminal: sudo apt-get update sudo apt- get install php7 .2 -phalcon. Copy.. Wood stoves at lowe
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.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.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 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.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.The optional timestamp parameter in the date () function specifies a timestamp. If omitted, the current date and time will be used (as in the examples above). The PHP mktime () function returns the Unix timestamp for a date. The Unix timestamp contains the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) and the time ...Note that the ; is redundant; as the answers suggest this short-tag expands to an echo with a semicolon added to the end, as per the php documents. – not-just-yeti Oct 5, 2015 at 1:25PHP 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.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.I am working on an a PHP web application and i need to perform some network operations in the request like fetching someone from remote server based on user's request. Is it possible to simulate It 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.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:Welcome. There’s a lot of outdated information on the Web that leads new PHP users astray, propagating bad practices and insecure code. PHP: The Right Way is an easy-to-read, quick reference for PHP popular coding standards, links to authoritative tutorials around the Web, and what the contributors consider to be best practices at present.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 ...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. Also, you can increase PHP’s memory limit for specific websites. One method would be to place a php.ini file in the site’s webroot. You can even set the limit for specific scriptname.php. For example using ini_set(‘memory_limit’,’256MB’). How to increase PHP memory_limit. To increase the PHP memory limit setting, edit your PHP.ini file.The optional timestamp parameter in the date () function specifies a timestamp. If omitted, the current date and time will be used (as in the examples above). The PHP mktime () function returns the Unix timestamp for a date. The Unix timestamp contains the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) and the time ... 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: .