(PECL spl_types >= 0.1.0)
The SplInt class is used to enforce strong typing of the integer type.
SplInt::__default
Example #1 SplInt usage example
<?php
$int = new SplInt(94);
try {
$int = 'Try to cast a string value for fun';
} catch (UnexpectedValueException $uve) {
echo $uve->getMessage() . PHP_EOL;
}
echo $int . PHP_EOL;
?>
以上例程会输出：
Value not an integer 94