The SplFloat class

Introduzione

The SplFloat class is used to enforce strong typing of the float type.

Sommario dellla classe

SplFloat extends SplType {

/* Constants */

const float __default = 0 ;

/* Metodi ereditati */

SplType::__construct ([ mixed $initial_value [, bool $strict ]] )

}

Costanti predefinite

SplFloat::__default

Esempi

Example #1 SplFloat usage example


<?php
$float = new SplFloat(3.154);
$newFloat = new SplFloat(3);

try {
    $float = 'Try to cast a string value for fun';
} catch (UnexpectedValueException $uve) {
    echo $uve->getMessage() . PHP_EOL;
}

echo $float . PHP_EOL;
echo $newFloat . PHP_EOL;
?>

Il precedente esempio visualizzerà:

Value not a float
3.154
3