tryphp_func_var_floatval.php:
<!DOCTYPE html> <html> <body> <?php $a = "1234.56789"; echo floatval($a) . "<br>"; $b = "1234.56789Hello"; echo floatval($b) . "<br>"; $c = "Hello1234.56789"; echo floatval($c) . "<br>"; ?> </body> </html>
1234.56789
1234.56789
0