Snoopy is a php collection class, used to simulate the browser to obtain web content and send forms. Here are some Snoopy features: Easy to crawl web content Easy to grab page text (remove html tags) Easy to grab links within web pages Support proxy crawling Supports basic username and password authentication Supports setting user-agent, referer, cookies and header content Support browser steering and control steering depth Can convert the links on the page into high-quality links Easy to submit data and get rebates Can track HTML frames Supports passing cookies when redirecting Snoopy class, methods: fetch($URI) Method used to crawl the content of web pages. The $URI parameter is the URL address of the crawled web page. The fetched results are stored in $this->results. If you are scraping a frame, Snoopy will track each frame and store it in an array, then store it in $this->results. fetchtext($URI) This method is similar to fetch(). The only difference is that this method will remove HTML tags and other irrelevant data, and only return the text content in the web page. fetchform($URI) This method is similar to fetch(). The only difference is that this method will remove HTML tags and other irrelevant data, and only return the form content (form) in the web page. fetchlinks($URI) This method is similar to fetch(). The only difference is that this method will remove HTML tags and other irrelevant data, and only return links in the web page. By default, relative links will be automatically completed and converted into full URLs. submit($URI,$formvars) This method sends a confirmation form to the link address specified by $URL. $formvars is an array that stores form parameters. submittext($URI,$formvars) This method is similar to submit(). The only difference is that this method will remove HTML tags and other irrelevant data, and only return the text content of the web page after login. submitlinks($URI) This method is similar to submit(). The only difference is that this method will remove HTML tags and other irrelevant data, and only return the link in the web page. By default, relative links will be automatically completed and converted into full URLs. Class attribute: (Default value is in brackets) $host The connected host $port The port to connect to $proxy_host The proxy host used, if any $proxy_port The proxy host port used, if any $agent User agent disguise (Snoopy v0.1) $referer route information, if available $cookies, if any $rawheaders Other header information, if any $maxredirs Maximum number of redirects, 0=not allowed (5) $offsiteok whether or not to allow redirects off-site. (true) $expandlinks Whether to complete all links to complete addresses (true) $user authentication username, if available $pass authentication username, if available $accept http accept type (image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, */*) $error Where to report the error, if any $response_code The response code returned from the server $headers Header information returned from the server $maxlength The longest returned data length $read_timeout read operation timeout (requires PHP 4 Beta 4+) set to 0 for no timeout $timed_out If a read operation times out, this property returns true (requires PHP 4 Beta 4+) $maxframes Maximum number of frames allowed to be tracked $status The status of the captured http $temp_dir The temporary file directory (/tmp) that the web server can write to $curl_path cURL binary directory, if there is no cURL binary, set it to false Snoopy official website: http://sourceforge.net/projects/snoopy/ I hope this article will be helpful to the majority of php developers, thank you for reading this article. For more php technical issues welcome to join the group to discuss: 256271784, verification code: cxy, if you don’t write the verification, it will not be passed~ |

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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