floatval
(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)
floatval — Get float value of a variable
Parameters
value-
May be any scalar type. floatval() should not be used
on objects, as doing so will emit an E_WARNING level
error and return 1.
Return Values
The float value of the given variable. Empty arrays return 0, non-empty
arrays return 1.
Strings will most likely return 0 although this depends on the
leftmost characters of the string. The common rules of
float casting
apply.
Examples
Example #1 floatval() Example
<?php
$var = '122.34343The';
$float_value_of_var = floatval($var);
echo $float_value_of_var; // 122.34343
?>
Example #2 floatval() non-numeric leftmost characters Example
<?php
$var = 'The122.34343';
$float_value_of_var = floatval($var);
echo $float_value_of_var; // 0
?>
empty
Variable handling Functions