floatval
floatval
Get float value of a variable
float **floatval** mixed $value
Gets the value of .
float``value
value
May be any scalar type. should not be used
on objects, as doing so will emit an level
error and return 1.
floatval``E_WARNING
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
apply. float casting
Voorbeeld: Example
<?php
$var = '122.34343The';
$float_value_of_var = floatval($var);
echo $float_value_of_var; // 122.34343
?>
Voorbeeld: non-numeric leftmost characters Example
<?php
$var = 'The122.34343';
$float_value_of_var = floatval($var);
echo $float_value_of_var; // 0
?>
boolval``intval``strval``settypeType juggling