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@ 2022-03-13T05:53:20Z

<?php

function sanitizeFilename(string $name): string {
    return preg_replace(
               ['/ +/', '/\W+/'],
               ['_', ''],
               $name
           );
}

echo sanitizeFilename('This/has a      Gap !n 1t');

Output
Performance
VLD
References
Branches

preg_replace: documentation ( source)

preferences:dark modelive previewkey bindings

25.92 ms | 404 KiB | 5 Q