When should pathinfo be used to extract a filename in PHP?

Pathinfo should be used to extract a filename in PHP when you need to retrieve specific parts of a file path, such as the filename, extension, directory name, etc. This function can be particularly useful when working with file uploads or processing file paths in your application. By using pathinfo, you can easily extract the filename component from a given file path without having to manually parse the string. 

$file_path = '/path/to/file/example.txt';
$filename = pathinfo($file_path, PATHINFO_FILENAME);

echo $filename; // Output: example

Keywords

pathinfo filename extraction PHP functions file paths directory paths

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