Crawler, Crawling, Scraping, Parsing by php

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Scraping: 

Web scraping, web harvesting, or web data extraction is data scraping used for extracting data from websites. Web scraping software may access the World Wide Web directly using the Hypertext Transfer Protocol or through a web browser. Wikipedia


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Some Image to understand Scraping:






মন্তব্যসমূহ

একটি মন্তব্য পোস্ট করুন

এই ব্লগটি থেকে জনপ্রিয় পোস্টগুলি

SEO [Search Engine Optimization ] (সার্চ ইঞ্জিন অপ্টিমাইজেশান)

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ছবি
https://app.neilpatel.com/en/traffic_analyzer/keywords?domain=allresultbd.com&locId=2840&lang=en&type=organic https://www.namemesh.com/domain-name-search/resultbd?show=1 SEO Traditional SEO: [Def:] PPC = Pay Per Click. SERP = Search Engine Result Page. When and why customers need Paid SEO?  For maintaining their own brand. Can not go to the 1st page by organic SEO. Youtube SEO crash course-1 2 method: Paid  organic SEO [free seo] on page whatever we do into our web site off-page Whatever we do outside of our website is called off-site SEO [ex: backlink] SEO Way white hat technique  Black hat  Gray hat   for removing google.com.bd and go to only google.com  https://www.google.com/ ncr   SERP:  Right side: Google Knowledge Graph / One box . Site Link: Google Pack / Snack pack: usually 3 pack, 4pack [ only for local searc...
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Web Scraping With PHP

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//Making User agent just like google which helps the browser to say which site visit $options = array ( 'http' => array ( 'method' => "GET" , 'headers' => "User-Agent: Nir003" )); $context = stream_context_create ( $options ); // allows you to parse html pages $doc = new DOMDocument(); // load full page in $doc variable //download the page @ $doc ->loadHTML(@ file_get_contents ( $url , false , $context )); Thats all! your page load into $doc as object 😍😍😍😍😍😍😍😍😍😍😍😍😍😍😍😍😍😍😍 Now the data is yours ;) now do what ever you want with this scraped data. Like here i separate title from $doc : $title = $doc ->getElementsByTagName( "title" ); $title = $title ->item( 0 )-> nodeValue ; echo $title; // <title> Youtube(nodeValue) </title>
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