function file_test_file_scan_callback

Helper function for testing FileSystemInterface::scanDirectory().

Each time the function is called the file is stored in a static variable. When the function is called with no $filepath parameter, the results are returned.

Parameters

string|null $filepath: File path

bool $reset: (optional) If to reset the internal memory cache. If TRUE is passed, the first parameter has no effect. Defaults to FALSE.

Return value

array If $filepath is NULL, an array of all previous $filepath parameters

File

core/modules/file/tests/file_test/file_test.module, line 333

Code

function file_test_file_scan_callback($filepath = NULL, $reset = FALSE) {
    static $files = [];
    if ($reset) {
        $files = [];
    }
    elseif ($filepath) {
        $files[] = $filepath;
    }
    return $files;
}