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- How to execute PHP scripts using the command line?
- To run the PHP command line script, you must first confirm that PHP has been installed and added to the environment variable path. Then you can execute the script through the php command. The specific steps are as follows: 1. Enter php-v in the terminal to verify the installation; 2. Use phpscript.php to execute the script; 3. The Linux/macOS system can add shebang and give execution permissions to run directly; 4. Pass parameters to the script through $argc and $argv. The entire process is simple and straightforward, suitable for automated tasks or testing.
- PHP Tutorial . Backend Development 277 2025-06-29 02:10:31
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- What are the best practices for using and HTML tags?
- The key to using HTML tags reasonably is clear semantics and reasonable structure to improve accessibility and SEO. 1. Use HTML5 semantic tags such as, ,,,, and accurately describe the content role; 2. Pack independent content, represent blocks with titles, for navigation, and place sidebar information; 3. Correctly nest and close tags, avoid cross-necking, and give priority to using semantic tags to cooperate with CSS layout; 4. Use native controls such as interactive elements, and enhance the barrier-free experience with ARIA attributes.
- HTML Tutorial . Web Front-end 806 2025-06-29 02:10:11
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- How to run PHP code on a local host?
- TorunPHPcodelocally,installaserverpackagelikeXAMPP,WAMP,orMAMP1.InstallonebasedonyourOS(XAMPPforcross-platform,WAMPforWindows,MAMPformacOS)2.Placeyour.phpfilesintheappropriatedirectory(htdocsforXAMPP/MAMP,wwwforWAMP)3.StarttheApacheserverandaccessyou
- PHP Tutorial . Backend Development 415 2025-06-29 02:07:20
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- allow remote connection to mysql server on windows
- To allow remote access to MySQL server, you need to modify the configuration file, open the firewall port, and set user permissions. First, edit the my.ini or my.cnf file, comment out bind-address=127.0.0.1 to listen to all IPs; second, create a new inbound rule in the Windows firewall to open port 3306; finally, use the GRANT statement to grant the user permission to connect remotely from % or a specific IP, and perform FLUSHPRIVILEGES refresh permissions. After the configuration is completed, you can troubleshoot connection problems through tools such as netstat, ping and telnet.
- Mysql Tutorial . Database 659 2025-06-29 02:07:00
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- How to enable PHP error log?
- How to enable PHP error log? 1. Modify the php.ini file, set display_errors=Off, log_errors=On and specify the error_log path, and restart the web service to take effect; 2. Use .htaccess to enable logs, suitable for shared host users, configure php_flag and php_value to specify log paths and ensure that they are writable; 3. Temporarily enable it in the script, and set error log parameters through ini_set, which is suitable for debugging but not for long-term use. Pay attention to path permissions, configuration file differences in different modes, and log rotation issues.
- PHP Tutorial . Backend Development 860 2025-06-29 02:06:41
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- change mysql port 3306 on windows
- To modify the MySQL default port, you need to edit the configuration file and restart the service. The specific steps are: 1. Find the my.ini or my.cnf file, usually located in the installation directory; 2. Add or modify the port parameters in the [mysqld] paragraph, such as port=3307; 3. After saving the file, check whether the new port is occupied; 4. Restart the MySQL service through the service manager; 5. If the startup fails, check the error log to troubleshoot; 6. Modify the firewall rules to allow the new port to enter; 7. Specify the new port number when the client connects. Pay attention to avoid port conflicts and service restart issues throughout the process.
- Mysql Tutorial . Database 746 2025-06-29 02:05:40
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- How to build a PHP runtime environment?
- To quickly build a stable PHP operating environment, pay attention to the following steps: 1. Install the PHP interpreter, use XAMPP/WAMP for Windows, use Homebrew for macOS, and use apt for Linux; 2. Use a web server, use mod_php or Nginx to cooperate with PHP-FPM for Apache; 3. Create info.php to test whether PHP is parsing normally; 4. Modify php.ini to enable display_errors, set error_reporting, adjust upload restrictions and time zones; 5. Optional Docker method to quickly build a standardized environment through docker-compose.yml. After each step is completed, the server should be restarted
- PHP Tutorial . Backend Development 191 2025-06-29 02:04:21
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- PHP Development environment optimization: Tips to improve performance
- TospeedupaPHPdevelopmentenvironment,optimizetoolsandconfigurations.1)UselightweightlocalserverslikeLaragonorDocker-basedsetupstoreduceoverhead.2)DisableunusedApache/NginxmodulesanduseactivelymaintainedPHPversions.3)AdjustPHPsettingssuchasdisablingrea
- PHP Tutorial . Backend Development 165 2025-06-29 02:04:01
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- What is the rel in html attributes and what are its common values like nofollow or noopener?
- rel stands for "relationship" in HTML, which describes the relationship between the current document and the linked resource. Common rel values ??are: 1.nofollow, which tells search engines not to track links or pass weights, which are suitable for user-generated content or paid links; 2.noopener, which improves security and prevents new pages from accessing window.opener attributes, which should be used every time target="_blank" is used; 3.noreferrer, which prevents the sending of HTTPReferer headers to protect user privacy; 4.canonical, which is used to help search engines identify the main version URL and avoid duplicate content problems. Choose the appropriate rel value.
- HTML Tutorial . Web Front-end 318 2025-06-29 02:03:21
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- How do you comment out HTML tags?
- TocommentoutHTMLtags,usethesyntax.PlacetheHTMLcodebetween,whichmakesbrowsersignorethecontent.Forexample,preventsthebrowserfromdisplayingtheparagraphwhenthepageloads.
- HTML Tutorial . Web Front-end 235 2025-06-29 02:03:03
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- What are recursive functions in PHP?
- Recursive functions refer to self-call functions in PHP. The core elements are 1. Defining the termination conditions (base examples), 2. Decomposing the problem and calling itself recursively (recursive examples). It is suitable for dealing with hierarchical structures, disassembling duplicate subproblems, or improving code readability, such as calculating factorials, traversing directories, etc. However, it is necessary to pay attention to the risks of memory consumption and stack overflow. When writing, the exit conditions should be clarified, the basic examples should be gradually approached, the redundant parameters should be avoided, and small inputs should be tested. For example, when scanning a directory, the function encounters a subdirectory and calls itself recursively until all levels are traversed.
- PHP Tutorial . Backend Development 214 2025-06-29 02:02:40
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- How do I install and configure a PHP framework?
- Installing and configuring the PHP framework is not complicated, the key is to understand the basic steps. 1. First select the appropriate framework and set up the environment: select frameworks such as Laravel, Symfony or CodeIgniter according to your needs, install PHP, database and Composer, and use Composer to create a project. 2. Then configure the basic settings: modify the database credentials, debug mode and application keys in the .env file or configuration folder, generate the encryption key and set directory permissions. 3. Then set up the route and controller: define the URL map in the routing file, test the simple routing and organize the code into the controller. 4. Finally, deal with dependencies and resources: install the extension package through Composer and configure it according to the document.
- PHP Tutorial . Backend Development 769 2025-06-29 02:02:21
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- How to configure Apache server to run PHP?
- The steps to install and configure Apache and PHP are as follows: 1. Install Apache and PHP and related modules through the package manager; 2. Create a test file to verify whether PHP is operating normally; 3. Check and enable the mod_php module, and adjust the MIME type configuration if necessary; 4. Modify the settings in php.ini (such as upload size, memory limit, etc.) according to requirements and restart the service; 5. Pay attention to file permissions, extensions and virtual host configuration. After completing the above steps, Apache can parse and execute PHP files normally.
- PHP Tutorial . Backend Development 742 2025-06-29 02:00:36
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- What is the purpose of the name and value html attributes in a form?
- InHTMLforms,thenameattributeprovidesthekeyinkey-valuepairssenttotheserver,whilethevalueattributeprovidestheactualdata.1)Thenameattributeidentifiestheformfield,andwithoutit,inputisn'tincludedinsubmissions.2)Italsogroupsrelatedelementslikeradiobuttons.
- HTML Tutorial . Web Front-end 454 2025-06-29 01:59:51
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