This function’s access is marked private. This means it is not intended for use by plugin or theme developers, only in other core functions. It is listed here for completeness.
Regex::lookupError( int $code )
Lookup the preg error code.
Parameters
- $code
-
(Required)
Return
(string)
Source
File: vendor/vlucas/phpdotenv/src/Regex/Regex.php
private static function lookupError($code)
{
return Option::fromValue(get_defined_constants(true))
->filter(function (array $consts) {
return isset($consts['pcre']) && defined('ARRAY_FILTER_USE_KEY');
})
->map(function (array $consts) {
return array_filter($consts['pcre'], function ($msg) {
return substr($msg, -6) === '_ERROR';
}, ARRAY_FILTER_USE_KEY);
})
->flatMap(function (array $errors) use ($code) {
return Option::fromValue(
array_search($code, $errors, true)
);
})
->getOrElse('PREG_ERROR');
}