In what scenarios would it be beneficial to use file names with extensions as keys in PHP arrays?

Using file names with extensions as keys in PHP arrays can be beneficial when you need to associate data with specific files in a directory. For example, if you have a directory of images and want to store additional information about each image, you can use the image file names as keys in an array to easily access the corresponding data. This approach can simplify file management and retrieval, making it easier to work with files in a structured way. 

// Example of using file names with extensions as keys in a PHP array
$directory = 'images/';
$files = scandir($directory);

$data = [];

foreach($files as $file) {
    if ($file != '.' && $file != '..') {
        $data[$file] = [
            'name' => $file,
            'size' => filesize($directory . $file),
            'type' => pathinfo($directory . $file, PATHINFO_EXTENSION)
        ];
    }
}

// Accessing data for a specific file
$filename = 'image1.jpg';
echo 'File Name: ' . $data[$filename]['name'] . '<br>';
echo 'File Size: ' . $data[$filename]['size'] . ' bytes<br>';
echo 'File Type: ' . $data[$filename]['type'];

Keywords

file names extensions keys PHP arrays scenarios

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