The SplBool class

(PECL spl_types >= 0.1.0)

简介

The SplBool class is used to enforce strong typing of the bool type.

类摘要

SplBool extends SplEnum {
/* Constants */
const boolean __default = FALSE ;
const boolean false = FALSE ;
const boolean true = TRUE ;
/* 继承的方法 */
public SplEnum::getConstList ([ bool $include_default = FALSE ] ) : array
}

预定义常量

SplBool::__default

SplBool::false

SplBool::true

范例

Example #1 SplBool usage example

<?php
$true = new SplBool(true);
if ($true) {
    echo "TRUE\n";
}

$false = new SplBool;
if ($false) {
    echo "FALSE\n";
}
?>

以上例程会输出：

TRUE

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