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<!DOCTYPE html> <html> <body> <?php $a = "1234.56789"; echo doubleval($a) . "<br>"; $b = "1234.56789Hello"; echo doubleval($b) . "<br>"; $c = "Hello1234.56789"; echo doubleval($c) . "<br>"; ?> </body> </html>
1234.56789
1234.56789
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