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<?php
/**
* This file is part of PHP Mess Detector.
*
* Copyright (c) Manuel Pichler <mapi@phpmd.org>.
* All rights reserved.
*
* Licensed under BSD License
* For full copyright and license information, please see the LICENSE file.
* Redistributions of files must retain the above copyright notice.
*
* @author Manuel Pichler <mapi@phpmd.org>
* @copyright Manuel Pichler. All rights reserved.
* @license https://opensource.org/licenses/bsd-license.php BSD License
* @link http://phpmd.org/
*/
namespace PHPMD\Utility;
use InvalidArgumentException;
/**
* Utility class to provide string checks and manipulations
*/
class Strings
{
/**
* Returns the length of the given string, excluding at most one suffix
*
* @param string $stringName String to calculate the length for.
* @param array $subtractSuffixes List of suffixes to exclude from the calculated length.
* @return int The length of the string, without suffix, if applicable.
*/
public static function lengthWithoutSuffixes($stringName, array $subtractSuffixes)
{
$stringLength = strlen($stringName);
foreach ($subtractSuffixes as $suffix) {
$suffixLength = strlen($suffix);
if (substr($stringName, -$suffixLength) === $suffix) {
$stringLength -= $suffixLength;
break;
}
}
return $stringLength;
}
/**
* Split a string with the given separator, trim whitespaces around the parts and remove any empty strings
*
* @param string $listAsString The string to split.
* @param string $separator The separator to split the string with, similar to explode.
* @return array The list of trimmed and filtered parts of the string.
* @throws InvalidArgumentException When the separator is an empty string.
*/
public static function splitToList($listAsString, $separator)
{
if ($separator === '') {
throw new InvalidArgumentException("Separator can't be empty string");
}
return array_filter(
array_map('trim', explode($separator, $listAsString)),
function ($value) {
return $value !== '';
}
);
}
}