<?php
abstract class WorkUnitDataType {
//==============================================
// consts / vars
//==============================================
const NoneDataType = 0;
const BoolDataType = 1;
const NumericDataType = 2;
const StringDataType = 3;
const ArrayDataType = 4;
const JsonDataType = 5;
const UrlDataType = 6;
const FileDataType = 7;
private static $cachedConstantArr;
private $value;
private $name;
//==============================================
// construct
//==============================================
final public function __construct() {
$name = get_class($this);
$this->value = WorkUnitDataType::getValueFromName($name);
$this->name = $name;
}
//==============================================
// accessing
//==============================================
final public function getName() {
return $this->name;
}
final public function getValue() {
return $this->value;
}
//==============================================
// convenience
//==============================================
final public static function NoneDataType() { return new NoneDataType();}
final public static function BoolDataType() { return new BoolDataType();}
final public static function NumericDataType(){ return new NumericDataType();}
final public static function StringDataType() { return new StringDataType();}
final public static function ArrayDataType() { return new ArrayDataType();}
final public static function JsonDataType() { return new JsonDataType();}
final public static function UrlDataType() { return new UrlDataType();}
final public static function FileDataType() { return new FileDataType();}
final public static function equals($class) {
if( is_subclass_of($class, 'WorkUnitDataType') {
return $this->getValue() == $class->getValue();
}
return False;
}
//==============================================
// utility
//==============================================
final private static function getConstants() {
if (self::$cachedConstantArr == NULL) {
self::$cachedConstantArr = array();
}
$calledClass = get_called_class();
if (!array_key_exists($calledClass, self::$cachedConstantArr)) {
$reflect = new ReflectionClass($calledClass);
self::$cachedConstantArr[$calledClass] = $reflect->getConstants();
}
return self::$cachedConstantArr[$calledClass];
}
final public static function isValidName($name, $strict = false) {
$constants = self::getConstants();
if ($strict) {
return array_key_exists($name, $constants);
}
$keys = array_map('strtolower', array_keys($constants));
return in_array(strtolower($name), $keys);
}
final public static function isValidValue($value) {
$values = array_values(self::getConstants());
return in_array($value, $values, $strict = true);
}
final public static function getNameFromValue($const) {
foreach (self::getConstants() as $name => $value) {
if ($value == $const) {
return $name;
}
}
return Null;
}
final public static function getValueFromName($text) {
foreach (self::getConstants() as $name => $value) {
if ($name == $text) {
return $value;
}
}
return -1;
}
}
class NoneDataType extends WorkUnitDataType {}
class BoolDataType extends WorkUnitDataType {}
class NumericDataType extends WorkUnitDataType {}
class StringDataType extends WorkUnitDataType {}
class ArrayDataType extends WorkUnitDataType {}
class JsonDataType extends WorkUnitDataType {}
class UrlDataType extends WorkUnitDataType {}
class FileDataType extends WorkUnitDataType {}
$a = WorkUnitDataType::NumericDataType();
var_dump($a);
echo "\n";
echo $a->getName() . "\n";
echo $a->getValue() . "\n";
echo "\n\n";
$a = WorkUnitDataType::BoolDataType();
var_dump($a);
echo "\n";
echo $a->getName() . "\n";
echo $a->getValue() . "\n";
- Output for 7.0.0 - 7.0.1
- Parse error: syntax error, unexpected 'return' (T_RETURN) in /in/RLghv on line 63
Process exited with code 255. - Output for 5.5.24 - 5.5.30, 5.6.8 - 5.6.16
- Parse error: syntax error, unexpected '{' in /in/RLghv on line 62
Process exited with code 255.
preferences:
166.28 ms | 1395 KiB | 25 Q