l107/9.3.php

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <body> <?php echo hoofdletters("sAcHa duBBeLmAn"); function hoofdletters($string){ $string = strtolower($string); $string = ucwords($string); return $string; } ?> </body> </html>

Resultaat

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