Float Validator
The FloatValidator validates that the string sent to the validator is an floating
point value.
$validate = FloatValidator::create();
$validate->check('A dirty martini.'); //false
$validate->check(1234); //true
$validate->check('1234'); //true
$validate->check(1.34); //true
$validate->check('3.14159'); //true
Constructor Arguments
The constructor for the FloatValidator object also accepts an argument to set the
error message that you would like returned from the object.
$validate = FloatValidator::create('Please enter a valid age.');
Usage with Forms
Often times you use this validator with form fields.
$field = TextElement::create('age')
->addValidator(FloatValidator::create());