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<?php
namespace kalanis\kw_rules\Rules;
use kalanis\kw_rules\Exceptions\RuleException;
/**
* trait TCheckArrayString
* @package kalanis\kw_rules\Rules
* Check original values as set of strings
*/
trait TCheckArrayString
{
use TRule;
* @param mixed|null $againstValue
* @throws RuleException
* @return array<string>
protected function checkValue($againstValue)
if (!is_array($againstValue)) {
throw new RuleException('No array found. Need set input as array!');
}
return array_map([$this, 'checkRule'], $againstValue);
* @param mixed|null $singleRule
* @return string
protected function checkRule($singleRule): string
if (is_string($singleRule)) {
return $singleRule;
if (is_numeric($singleRule)) {
return strval($singleRule);
throw new RuleException('Input for check is not a string.');
alex-kalanis /
kw_rules
