Unix.php - The location ~* \.php$ means that NGINX will apply this configuration to all .php files (file names are not case sensitive) in your site’s root directory, including any subdirectories containing PHP files. The * in the ~* \.php$ location directive indicates that PHP file names are not case sensitive. This can be removed if you prefer to ...

 
The following method will get you started fast on Ubuntu 12.04: Install the dependences: sudo apt-get install php5-common php5-cli php5-fpm. Install nginx: sudo apt-get install nginx. Start nginx: sudo service nginx start. Test that it's working (should see "Welcome to nginx!") sudo service nginx stop. . Larran

Lighttpd 1.4 en sistemas Unix; Servior web LiteSpeed/OpenLiteSpeed en sistemas Unix; CGI y configuraciones de línea de comandos; Notas de instalación para OpenBSD; Solaris sugerencias específicas de instalación; Notas de instalación en Debian GNU/Linux; Instalación en Mac OS X. Empleo de paquetes; Usando el paquete PHP; Compilar PHP en ...May 17, 2010 · If you're using MySQL as your database, it can return date fields as unix timestamps with UNIX_TIMESTAMP: SELECT UNIX_TIMESTAMP(my_datetime_field) You can also do it on the PHP side with strtotime: strtotime('2010-05-17 19:13:37'); See full list on ubuntu.com Aug 1, 2023 · There are several ways to install PHP for the Unix platform, either with a compile and configure process, or through various pre-packaged methods. This documentation is mainly focused around the process of compiling and configuring PHP. Many Unix like systems have some sort of package installation system. 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 ...Manual de PHP. Referencia de funciones. Extensiones relacionadas con fecha y hora. Fecha/Hora. Funciones de Fecha/Hora. (PHP 4, PHP 5, PHP 7, PHP 8) — Devuelve la fecha Unix actual. Devuelve el momento actual medido como el número de segundos desde la Época Unix (1 de Enero de 1970 00:00:00 GMT). Ejemplo #1 Ejemplo de. 4. Ok, here it is answered by pierre schmitz, thx nymous for the link: openssl, phar and posix modules are now built in php7 core. Remove the corresponding directives from your php.ini, e.g. ;extension=openssl.so. php-xcache is incompatible with php7, remove package, the project seems dead. 21 I'm trying to get a unix timestamp with PHP but it doesn't seem to be working. Here is the format I'm trying to convert to a unix timestamp: PHP $datetime = '2012-07-25 14:35:08'; $unix_time = date ('Ymdhis', strtotime ($datetime )); echo $unix_time; My result looks like this: 20120725023508 Any idea what I'm doing wrong? php unix-timestampNginx 1.4.x on Unix systems. ¶. This documentation will cover installing and configuring PHP with PHP-FPM for a Nginx 1.4.x HTTP server. This guide will assume that you have built Nginx from source and therefore all binaries and configuration files are located at /usr/local/nginx. If this is not the case and you have obtained Nginx through ...Nov 15, 2017 · 1. First you check the php.ini file location. For that use a php file and write: phpinfo (); Then load this file in browser. You can see which config file php is using. In the php.ini find this line: ;extension=php_intl.dll. and change to. Returns the Unix timestamp corresponding to the arguments given. This timestamp is a long integer containing the number of seconds between the Unix Epoch (January 1 1970 00:00:00 GMT) and the time specified. Any optional arguments omitted or null will be set to the current value according to the local date and time.Aug 1, 2023 · Lighttpd 1.4 en sistemas Unix; Servior web LiteSpeed/OpenLiteSpeed en sistemas Unix; CGI y configuraciones de línea de comandos; Notas de instalación para OpenBSD; Solaris sugerencias específicas de instalación; Notas de instalación en Debian GNU/Linux; Instalación en Mac OS X. Empleo de paquetes; Usando el paquete PHP; Compilar PHP en ... Apache Version Apache/1.3.37 (Unix) PHP/4.4.4 Apache Release 10337100 Apache API Version 19990320 Hostname:Port 127.0.0.1:80 User/Group nobody(65534)/65534 Max Requests Per Child: 0 - Keep Alive: on - Max Per Connection: 100 Timeouts Connection: 300 - Keep-Alive: 15 Server Root /usr/local/apacheBoth Linux and Windows have proven to be a powerful basis for creating large websites. Each operating system offers all the basic functions required to run your website. In principle, numerous open source applications are available in order to get the best of Linux. Linux is also particularly suitable for PHP, Perl, or MySQL.See full list on ubuntu.com Apr 27, 2018 · Step 1 — Installing Apache and Updating the Firewall. The Apache web server is a popular open source web server that can be used along with PHP to host dynamic websites. It’s well-documented and has been in wide use for much of the history of the web. First, make sure your apt cache is updated with: 5 Answers. yep, UNIX timestamp represents how much seconds past from unix-time epoch in GMT+0. Even though epoch time is the means elapsed seconds since 1/1/70 00:00:00 the real "GMT" (UTC) is not. UTC time needed to be changed a few times to take in to account the slowing speed of the rotating earth.Introduction PHP is a popular server scripting language known for creating dynamic and interactive web pages. Getting up and running with your language of choice is the first step in learning to program. This tutorial will guide you through installing PHP 8.1 on Ubuntu and setting up a local programming environment via the command line.There are several ways to install PHP for the Unix platform, either with a compile and configure process, or through various pre-packaged methods. This documentation is mainly focused around the process of compiling and configuring PHP. Many Unix like systems have some sort of package installation system.Updating PHP is pretty simple as per your Linux/Unix variant: Update PHP and other apps on an Ubuntu/Debian Linux. Type the following apt command/apt-get command: $ sudo apt update $ sudo apt upgrade. Update PHP and other apps on a RHEL/CentOS/Fedora Linux. Type the following yum command: $ sudo yum update. Update PHP and other apps on an ...Another option as you have tagged this question with SQL: the MySQL functions FROM_UNIXTIME and UNIX_TIMESTAMP-> MySQL manual. SELECT UNIX_TIMESTAMP(datetime_column) FROM table This usually is faster than a PHP function call.Example #1 time () example <?php echo 'Now: '. time(); ?> The above example will output something similar to: Now: 1660338149 Notes ¶ Tip Timestamp of the start of the request is available in $_SERVER ['REQUEST_TIME'] . See Also ¶ DateTimeImmutable date () - Format a Unix timestamp microtime () - Return current Unix timestamp with microsecondsThe location ~* \.php$ means that NGINX will apply this configuration to all .php files (file names are not case sensitive) in your site’s root directory, including any subdirectories containing PHP files. The * in the ~* \.php$ location directive indicates that PHP file names are not case sensitive. This can be removed if you prefer to ...PHP dos2unix - 10 examples found. These are the top rated real world PHP examples of dos2unix extracted from open source projects. You can rate examples to help us improve the quality of examples. I believe you are mixing php-fpm with modphp in your configuration. The only steps you should have to do are these: sudo a2dismod php7.x # disable modphp (optional) sudo a2dismod mpm_prefork # to use php-fpm, you need to switch to mpm_event sudo a2enmod mpm_event # enable mpm_event sudo a2enmod proxy proxy_fcgi # enable proxy_fcgi, required for ...Nov 15, 2017 · 1. First you check the php.ini file location. For that use a php file and write: phpinfo (); Then load this file in browser. You can see which config file php is using. In the php.ini find this line: ;extension=php_intl.dll. and change to. Run the following commands to install PHP and PHP FPM packages: sudo apt update sudo apt install php-fpm. Once the installation is completed, the FPM service will start automatically. To check the status of the service, run. systemctl status php7.4-fpm.It works for me. How can we log all PHP errors to a log file? Just add the following line to file /etc/php.ini to log errors to specified file – file /var/log/php-scripts.log. vi /etc/php.ini Modify the error_log directive: error_log = /var/log/php-scripts.log Make sure display_errors is set to Off (no errors to end users): display_errors = OffThere are several ways to install PHP for the Unix platform, either with a compile and configure process, or through various pre-packaged methods. This documentation is mainly focused around the process of compiling and configuring PHP. Many Unix like systems have some sort of package installation system.UNIX / LINUX Tutorial. PDF Version. Quick Guide. Resources. Unix is a computer Operating System which is capable of handling activities from multiple users at the same time. The development of Unix started around 1969 at AT&T Bell Labs by Ken Thompson and Dennis Ritchie. This tutorial gives a very good understanding on Unix.7-day price history of UniX (UNIX) to PHP. The daily exchange rate of UniX (UNIX) to PHP fluctuated between a high of ₱0.178338 on Tuesday and a low of ₱0.163425 on Monday in the last 7 days. Within the week, the price of UNIX in PHP had the largest 24-hour price movement on Tuesday (1 days ago) by ₱0.01491321 ( 9.1% ).Nginx 1.4.x on Unix systems. ¶. This documentation will cover installing and configuring PHP with PHP-FPM for a Nginx 1.4.x HTTP server. This guide will assume that you have built Nginx from source and therefore all binaries and configuration files are located at /usr/local/nginx. If this is not the case and you have obtained Nginx through ...If you plan to install PHP on Linux or any other variant of Unix, then here is the list of prerequisites − ...Dec 15, 2015 · First, install the new packages. This will upgrade all of the important PHP packages, with the exception of php5-mysql, which will be removed. sudo apt-get install php7.0. Note: If you have made substantial modifications to any configuration files in /etc/php5/, those files are still in place, and can be referenced. 4. Ok, here it is answered by pierre schmitz, thx nymous for the link: openssl, phar and posix modules are now built in php7 core. Remove the corresponding directives from your php.ini, e.g. ;extension=openssl.so. php-xcache is incompatible with php7, remove package, the project seems dead.Oct 26, 2021 · timestamp: It is an optional parameter that specifies a Unix timestamp in integer format. If not provided, a default value will be taken as the current local time. DateInterval in PHP. It is a Class of PHP that represents a date interval. It also provides the static method, which accepts the input strings and sets up a DateInterval from the ... Nov 29, 2022 · Next, update the repository and install the Caddy web server by running the following command: apt-get update. apt-get install caddy -y. Once the Caddy has been installed, you can verify the Caddy version using the following command: caddy version. You will get the following output: The Task is to convert a Date to a timestamp using PHP. The task can be done by using the strtotime () function in PHP. It is used to convert English textual date-time description to a UNIX timestamp. The UNIX timestamp represents the number of seconds between a particular date and the Unix Epoch.Updating PHP is pretty simple as per your Linux/Unix variant: Update PHP and other apps on an Ubuntu/Debian Linux. Type the following apt command/apt-get command: $ sudo apt update $ sudo apt upgrade. Update PHP and other apps on a RHEL/CentOS/Fedora Linux. Type the following yum command: $ sudo yum update. Update PHP and other apps on an ...The W3Schools online code editor allows you to edit code and view the result in your browserThis guide assume PHP FPM already installed and configured either using tcp port (127.0.0.1:9000) or unix socket (/var/run/php-fpm.sock). There are many guide about configuring NGINX with PHP FPM, but many of them are incomplete (don’t handle PATH_INFO correctly) or contain security issues (don’t check whether the script is indeed php file).The W3Schools online code editor allows you to edit code and view the result in your browser Typically, this is done by running the command apt update . Example #1 Debian Install Example with Apache 2. # apt install php-common libapache2-mod-php php-cli. APT will automatically install the PHP module for Apache 2 and all of its dependencies, and then activate it.Another option as you have tagged this question with SQL: the MySQL functions FROM_UNIXTIME and UNIX_TIMESTAMP-> MySQL manual. SELECT UNIX_TIMESTAMP(datetime_column) FROM table This usually is faster than a PHP function call.Introduction PHP is a popular server scripting language known for creating dynamic and interactive web pages. Getting up and running with your language of choice is the first step in learning to program. This tutorial will guide you through installing PHP 8.1 on Ubuntu and setting up a local programming environment via the command line.Example #1 time () example <?php echo 'Now: '. time(); ?> The above example will output something similar to: Now: 1660338149 Notes ¶ Tip Timestamp of the start of the request is available in $_SERVER ['REQUEST_TIME'] . See Also ¶ DateTimeImmutable date () - Format a Unix timestamp microtime () - Return current Unix timestamp with microsecondsRun the following commands to install PHP and PHP FPM packages: sudo apt update sudo apt install php-fpm. Once the installation is completed, the FPM service will start automatically. To check the status of the service, run. systemctl status php7.4-fpm.I've installed Debian Wheezy and downgraded php5.4 to php5.3, and wanted to use fastCgi instead of php-fpm since it is not included in php5.3 package. now I run into a little issue and can't seem to February 6, 2023 by Hayden James, in Blog Linux. PHP memory_limit is per-script, just as a highway’s speed limit is per-vehicle. For example, although PHP’s memory limit may be set high to 1GB, that does not mean that scripts will pile up to use that 1GB. Let’s take a quick look at understanding PHP’s memory_limit setting.Updating PHP is pretty simple as per your Linux/Unix variant: Update PHP and other apps on an Ubuntu/Debian Linux. Type the following apt command/apt-get command: $ sudo apt update $ sudo apt upgrade. Update PHP and other apps on a RHEL/CentOS/Fedora Linux. Type the following yum command: $ sudo yum update. Update PHP and other apps on an ...Aug 1, 2023 · Lighttpd 1.4 en sistemas Unix; Servior web LiteSpeed/OpenLiteSpeed en sistemas Unix; CGI y configuraciones de línea de comandos; Notas de instalación para OpenBSD; Solaris sugerencias específicas de instalación; Notas de instalación en Debian GNU/Linux; Instalación en Mac OS X. Empleo de paquetes; Usando el paquete PHP; Compilar PHP en ... 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 ...Aug 3, 2022 · Make sure the above configuration setting is syntactically correct and restart NGINX. # nginx-t # systemctl restart nginx. 4. Test PHP-FPM NGINX Configuration. To test if the above NGINX configuration file is indeed using the newly created FPM pool, create a php info file inside the web root. Step 1 – Installing Apache. Apache web server debian packages are available under the default repositories. Login to your Ubuntu system with sudo privileges account. Open a terminal and execute the following commands: sudo apt update sudo apt install apache2 libapache2-mod-fcgid. The above commands will install Apache and FastCGI module to ...To do this, change the owner recursively: chown -R www-data:www-data your/folder/. But most likely, you may want to keep full access on your files by changing the group only: chown -R yourusername:www-data your/folder/. Then, do the appropriate chmod to give the group www-data the same permissions as you. Stack Overflow Public questions & answers; Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Talent Build your employer brandStep 1 – Installing Apache. Apache web server debian packages are available under the default repositories. Login to your Ubuntu system with sudo privileges account. Open a terminal and execute the following commands: sudo apt update sudo apt install apache2 libapache2-mod-fcgid. The above commands will install Apache and FastCGI module to ...On a Unix-based system, a ticket key file can be created as follows: dd if=/dev/random of=/path/to/file.tkey bs=1 count=48 Ticket keys should be rotated (replaced) on a frequent basis, as this is the only way to invalidate an existing session ticket - OpenSSL currently doesn't allow to specify a limit for ticket lifetimes. 4. Ok, here it is answered by pierre schmitz, thx nymous for the link: openssl, phar and posix modules are now built in php7 core. Remove the corresponding directives from your php.ini, e.g. ;extension=openssl.so. php-xcache is incompatible with php7, remove package, the project seems dead. Another option as you have tagged this question with SQL: the MySQL functions FROM_UNIXTIME and UNIX_TIMESTAMP-> MySQL manual. SELECT UNIX_TIMESTAMP(datetime_column) FROM table This usually is faster than a PHP function call.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 ... Feb 18, 2015 · Most php files will have 644 because the owner has to be able to edit it, everyone needs to be able to read it, and nobody needs to execute it (in the strictly unix sense. php is the executable and it's reading the files, parsing them, and doing stuff with them, so unix isn't actually executing them). – I need to enable pdo_mysql in my EasyPHP environment, so I went to the php.ini file and uncommented the following line: extension=php_pdo_mysql.dll Unfortunately I still have the same problem.The Task is to convert a Date to a timestamp using PHP. The task can be done by using the strtotime () function in PHP. It is used to convert English textual date-time description to a UNIX timestamp. The UNIX timestamp represents the number of seconds between a particular date and the Unix Epoch.macOSX with homebrew, through PECL. , with help from a wizard. Unix-like operating systems, from source. Installing Xdebug with a package manager is often the fastest way. Depending on your distribution, run the following command: sudo apk add php7-pecl-xdebug php8-pecl-xdebug. Arch Linuxsudo pacman -S.On a Unix-based system, a ticket key file can be created as follows: dd if=/dev/random of=/path/to/file.tkey bs=1 count=48 Ticket keys should be rotated (replaced) on a frequent basis, as this is the only way to invalidate an existing session ticket - OpenSSL currently doesn't allow to specify a limit for ticket lifetimes.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 ... To install composer globally, use the following command which will download and install Composer as a system-wide command named composer, under /usr/local/bin: sudo php /tmp/composer-setup.php --install-dir = /usr/local/bin --filename= composer. You’ll see output similar to this: Output.Both Linux and Windows have proven to be a powerful basis for creating large websites. Each operating system offers all the basic functions required to run your website. In principle, numerous open source applications are available in order to get the best of Linux. Linux is also particularly suitable for PHP, Perl, or MySQL. Aug 1, 2023 · Warning. Unix timestamps do not handle timezones. Use the DateTimeImmutable class, and its DateTimeInterface::format() formatting method to format date/time information with a timezone attached. PHP Collective See more This question is in a collective: a subcommunity defined by tags with relevant content and experts. Featured on MetaNormal managed Linux VPS packages range from $8.24 monthly (with initial discount at the time of writing – the normal cost is $10.99) for 1 CPU core, 1GB RAM, 30GB disk space, 1TB traffic ...Aug 1, 2023 · There are several ways to install PHP for the Unix platform, either with a compile and configure process, or through various pre-packaged methods. This documentation is mainly focused around the process of compiling and configuring PHP. Many Unix like systems have some sort of package installation system. Introduction PHP is a popular server scripting language known for creating dynamic and interactive web pages. Getting up and running with your language of choice is the first step in learning to program. This tutorial will guide you through installing PHP 8.1 on Ubuntu and setting up a local programming environment via the command line.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.convert unix timestamp php. 2. php DateTime converting unix timestamp. 24. PHP: convert date string to Unix timestamp. 5. php date from unix timestamp. 0.On a Unix-based system, a ticket key file can be created as follows: dd if=/dev/random of=/path/to/file.tkey bs=1 count=48 Ticket keys should be rotated (replaced) on a frequent basis, as this is the only way to invalidate an existing session ticket - OpenSSL currently doesn't allow to specify a limit for ticket lifetimes.See full list on ubuntu.com The Task is to convert a Date to a timestamp using PHP. The task can be done by using the strtotime () function in PHP. It is used to convert English textual date-time description to a UNIX timestamp. The UNIX timestamp represents the number of seconds between a particular date and the Unix Epoch.convert unix timestamp php. 0. PHP time conversion. 0. Converting Unix Timestamp to a more user-friendly datetime format. 10. Unix time (also known as Epoch time, POSIX time,seconds since the Epoch,or UNIX Epoch time) is a system for describing a point in time. It is the number of seconds that have elapsed since the Unix epoch, minus leap seconds; the Unix epoch is 00:00:00 UTC on 1 January 1970 (an arbitrary date); leap seconds are ignored,with a leap second having ...Mar 8, 2023 · 1 - Get the sample repository. You can create the web app using the Azure CLI in Cloud Shell, and you use Git to deploy sample PHP code to the web app. In a terminal window, run the following commands. It will clone the sample application to your local machine, and navigate to the directory containing the sample code. Both Linux and Windows have proven to be a powerful basis for creating large websites. Each operating system offers all the basic functions required to run your website. In principle, numerous open source applications are available in order to get the best of Linux. Linux is also particularly suitable for PHP, Perl, or MySQL. To install composer globally, use the following command which will download and install Composer as a system-wide command named composer, under /usr/local/bin: sudo php /tmp/composer-setup.php --install-dir = /usr/local/bin --filename= composer. You’ll see output similar to this: Output.

PHP dos2unix - 10 examples found. These are the top rated real world PHP examples of dos2unix extracted from open source projects. You can rate examples to help us improve the quality of examples. . Atandt phone outage today 2022

unix.php

Atom. Atom is a popular open-source code/text editor that works across several platforms such as Windows, Mac, or Linux. Atom is also considered to be one of the best Python code editors. Pros: Atom has color-coded syntax, a smart autocomplete feature, multiple panes, and a search-and-replace feature.@soaku if you use fastcgi apache itself does not run PHP. when you use mod_php that is apache module, apache handles php. That means errors can and probably will be in apache logs when using mod_php, but that will not be a case when using cgi or fastcgiThe installer will check a few PHP settings and then download composer.phar to your working directory. This file is the Composer binary. It is a PHAR (PHP archive), which is an archive format for PHP which can be run on the command line, amongst other things. Now run php composer.phar in order to run Composer.Apache Version Apache/1.3.37 (Unix) PHP/4.4.4 Apache Release 10337100 Apache API Version 19990320 Hostname:Port 127.0.0.1:80 User/Group nobody(65534)/65534 Max Requests Per Child: 0 - Keep Alive: on - Max Per Connection: 100 Timeouts Connection: 300 - Keep-Alive: 15 Server Root /usr/local/apacheWelcome to a quick tutorial on how to format a Unix Timestamp to a readable date and time in PHP. Need to get a “human-friendly” date from a Unix Timestamp? We can use the date function to format a Unix Timestamp in PHP.Here also you can use this for php 7.0,7.1,7.3 to 7.4. After updating process you can use below command to install extensions. sudo apt update sudo apt install php-xml or you can use like below. sudo apt install php7.2 php-xml Update 2021-01-31: For versions upto 8.* sudo apt-add-repository ppa:ondrej/php sudo apt update Then4. Ok, here it is answered by pierre schmitz, thx nymous for the link: openssl, phar and posix modules are now built in php7 core. Remove the corresponding directives from your php.ini, e.g. ;extension=openssl.so. php-xcache is incompatible with php7, remove package, the project seems dead. Jun 9, 2020 · Run the following commands to install PHP and PHP FPM packages: sudo apt update sudo apt install php-fpm. Once the installation is completed, the FPM service will start automatically. To check the status of the service, run. systemctl status php7.4-fpm. The price of UniX (UNIX) is $0.00296260 today with a 24-hour trading volume of $283,769.70. This represents a -0.90% price decline in the last 24 hours and a -1.49% price decline in the past 7 days. With a circulating supply of 35 Million UNIX, UniX is valued at a market cap of $103,789 . convert unix timestamp php. 0. PHP time conversion. 0. Converting Unix Timestamp to a more user-friendly datetime format. 10.5 Answers. yep, UNIX timestamp represents how much seconds past from unix-time epoch in GMT+0. Even though epoch time is the means elapsed seconds since 1/1/70 00:00:00 the real "GMT" (UTC) is not. UTC time needed to be changed a few times to take in to account the slowing speed of the rotating earth.PHP dos2unix - 10 examples found. These are the top rated real world PHP examples of dos2unix extracted from open source projects. You can rate examples to help us improve the quality of examples. Oct 11, 2012 · It works for me. How can we log all PHP errors to a log file? Just add the following line to file /etc/php.ini to log errors to specified file – file /var/log/php-scripts.log. vi /etc/php.ini Modify the error_log directive: error_log = /var/log/php-scripts.log Make sure display_errors is set to Off (no errors to end users): display_errors = Off .

Popular Topics