   #PHP Manual Variable Functions empty get_defined_vars

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                                   floatval

   (PHP 4 >= 4.2.0)
   floatval -- Get float value of a variable

Description

   float floatval ( mixed var)

   Returns the float value of var.

   Var may be any scalar type. You cannot use floatval() on arrays or
   objects.

   <?php
   $var = '122.34343The';
   $float_value_of_var = floatval($var);
   echo $float_value_of_var; // prints 122.34343
   ?>

   See also intval(), strval(), settype() and Type juggling.
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