php constants 키 이름 알아내기

<?php

class LogingEvent {

const Run = 0;

const RunDevilRun = 1;

public function getConstants($type) {

$x = $type;

$fooClass = new ReflectionClass ( 'LogingEvent');

$constants = $fooClass->getConstants();

$constName = null;

foreach ( $constants as $name => $value )

{

if ( $value == $x )

{

$constName = $name;

break;

}

}

return $constName;

}

}

예)

$aaa = LogEvent::getConstants( LogEvent::RunDevilRun );

echo $aaa;

결과 > RunDevilRun