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floatval

(PHP 4 >= 4.2.0, PHP 5)

floatvalGet float value of a variable

Description

float floatval ( mixed $var )

Gets the float value of var.

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Parameters

var

May be any scalar type. floatval() should not be used on objects, as doing so will emit an E_NOTICE level error and return 1.

Return Values

The float value of the given variable. Empty arrays return 0, non-empty arrays return 1.

Examples

Example #1 floatval() Example

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

See Also

  • intval() - Get the integer value of a variable
  • strval() - Get string value of a variable
  • settype() - Set the type of a variable
  • Type juggling

 
 

Execute floatval( $var );

$var =


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