63 lines
1.4 KiB
PHP
63 lines
1.4 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Helper;
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/**
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* Helper is the base class for all helper classes.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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abstract class Helper implements HelperInterface
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{
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protected $helperSet = null;
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/**
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* Sets the helper set associated with this helper.
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*
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* @param HelperSet $helperSet A HelperSet instance
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*/
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public function setHelperSet(HelperSet $helperSet = null)
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{
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$this->helperSet = $helperSet;
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}
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/**
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* Gets the helper set associated with this helper.
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*
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* @return HelperSet A HelperSet instance
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*/
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public function getHelperSet()
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{
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return $this->helperSet;
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}
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/**
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* Returns the length of a string, using mb_strlen if it is available.
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*
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* @param string $string The string to check its length
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*
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* @return integer The length of the string
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*/
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protected function strlen($string)
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{
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if (!function_exists('mb_strlen')) {
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return strlen($string);
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}
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if (false === $encoding = mb_detect_encoding($string)) {
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return strlen($string);
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}
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return mb_strlen($string, $encoding);
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}
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}
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