Introduce the method of modifying the size limit of uploaded files in apache and php environments. Friends in need can refer to it.
When solving the PHP upload file size limit, not only PHP's upload file size limit must be modified, but Apache can also be modified. System environment: centos 5.5 1. Modify the php file size limit vi /etc/php.ini Find: max_execution_time = 30, this is the maximum time for each script to run, in seconds, modify it to: max_execution_time = 150 Found: max_input_time = 60, this is the time that each script can consume, the unit is also seconds, modify it to: max_input_time = 300 Found: memory_limit = 128M. This is the maximum memory consumed by the script. Change the value according to the needs and modify it to: memory_limit = 256M Found: post_max_size = 8M, the maximum data submitted by the form is 8M. This item does not limit the size of a single uploaded file, but limits the submitted data of the entire form. The scope of restrictions includes all content submitted in the form. For example: when publishing a post, the post title, content, attachments, etc., are modified to: post_max_size = 20M Found: upload_max_filesize = 2M, the maximum allowed size of uploaded files, modified to: upload_max_filesize = 10M 2. Modify apache upload file size limit vi /etc/httpd/conf.d/php.conf LimitRequestBody 524288 changes 524288 (=512x1024) to a larger size, such as 5M (=5x1024x1024) The above problems will not occur when uploading. The upload does not respond. If the page cannot be uploaded, it will be solved! |

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.


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