What functions or methods in PHP are recommended for extracting content from external webpages?

When extracting content from external webpages in PHP, using functions like file_get_contents() or cURL is recommended. These functions allow you to fetch the HTML content of a webpage and then parse it to extract the specific information you need. 

// Using file_get_contents to extract content from an external webpage
$url = 'https://www.example.com';
$html = file_get_contents($url);

// Now you can parse the $html variable to extract the specific content you need

Keywords

file_get_contents cURL DOMDocument XPath scraping

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