php man page for splenum

SPLENUM(3)								 1								SPLENUM(3)

The SplEnum class

INTRODUCTION
	SplEnum gives the ability to emulate and create enumeration objects natively in PHP.

CLASS SYNOPSIS
       SplEnum

       SplEnumextends
       SplType

       Constants

       o const NULL$SplEnum::__defaultnull

       Methods

       o public array SplEnum::getConstList ([bool  $include_default = false])

       Inherited methods

       o

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

PREDEFINED CONSTANTS
	      o SplEnum::__default -

EXAMPLES
       Example #1

	      SplEnum usage example

	      <?php
	      class Month extends SplEnum {
		  const __default = self::January;

		  const January = 1;
		  const February = 2;
		  const March = 3;
		  const April = 4;
		  const May = 5;
		  const June = 6;
		  const July = 7;
		  const August = 8;
		  const September = 9;
		  const October = 10;
		  const November = 11;
		  const December = 12;
	      }

	      echo new Month(Month::June) . PHP_EOL;

	      try {
		  new Month(13);
	      } catch (UnexpectedValueException $uve) {
		  echo $uve->getMessage() . PHP_EOL;
	      }
	      ?>

	      The above example will output:

	      6
	      Value not a const in enum Month

PHP Documentation Group 														SPLENUM(3)