59 lines
1.6 KiB
PHP
59 lines
1.6 KiB
PHP
<?php
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namespace PhpOffice\PhpWord\Shared;
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abstract class AbstractEnum
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{
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private static $constCacheArray = null;
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private static function getConstants()
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{
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if (self::$constCacheArray == null) {
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self::$constCacheArray = array();
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}
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$calledClass = get_called_class();
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if (! array_key_exists($calledClass, self::$constCacheArray)) {
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$reflect = new \ReflectionClass($calledClass);
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self::$constCacheArray[$calledClass] = $reflect->getConstants();
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}
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return self::$constCacheArray[$calledClass];
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}
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/**
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* Returns all values for this enum
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*
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* @return array
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*/
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public static function values()
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{
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return array_values(self::getConstants());
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}
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/**
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* Returns true the value is valid for this enum
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*
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* @param strign $value
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* @return boolean true if value is valid
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*/
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public static function isValid($value)
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{
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$values = array_values(self::getConstants());
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return in_array($value, $values, true);
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}
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/**
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* Validates that the value passed is a valid value
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*
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* @param string $value
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* @throws \InvalidArgumentException if the value passed is not valid for this enum
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*/
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public static function validate($value)
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{
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if (!self::isValid($value)) {
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$calledClass = get_called_class();
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$values = array_values(self::getConstants());
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throw new \InvalidArgumentException("$value is not a valid value for $calledClass, possible values are " . implode(', ', $values));
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}
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}
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}
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