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<?php

/**
 * SampleEnum extending BaseEnum
 * @author Javier Sampedro <jsampedro77@gmail.com>
 */
class SampleEnum extends BaseEnum
{
    CONST COMUNICATION_ERROR = 1;
    CONST EXCESIVE_TIME = 2;
    CONST SHOT_TRACE = 4;
    CONST LONG_TEST = 8;
    CONST TURNED_OFF = 16;
}

<?php

class BaseEnum
{

    /**
     * Gets all constants
     * 
     * @return array
     */
    public static function toArray() {
        $class = new \ReflectionClass(get_called_class());

        return $class->getConstants();
    }

    /**
     * Gets all constant values
     * 
     * @return array
     */
    public static function values() {
        $class = new \ReflectionClass(get_called_class());

        return array_flip($class->getConstants());
    }

    /**
     * Gets an array with value => humanized constant name
     * 
     * @return array
     */
    public static function humanizedValues() {
        $values = self::values();

        foreach ($values as $k => &$v) {
            $v = trim(strtolower($v));
            $v = preg_replace('/_/', ' ', $v);
            $v = explode(' ', $v);
            $v = array_map('ucwords', $v);
            $v = implode(' ', $v);
        }

        return $values;
    }
}