SPL Types
PHP Manual

The SplBool class

(PECL spl_types >= 0.1.0)

Introduction

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

Class synopsis

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

Predefined Constants

SplBool::__default

SplBool::false

SplBool::true

Examples

Example #1 SplBool usage example

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

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

The above example will output:

TRUE

SPL Types
PHP Manual