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- 06.01.2017
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Helper.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\Console\Helper;
013
014 use Symfony\Component\Console\Formatter\OutputFormatterInterface;
015
016 /**
017 * Helper is the base class for all helper classes.
018 *
019 * @author Fabien Potencier <fabien@symfony.com>
020 */
021 abstract class Helper implements HelperInterface
022 {
023 protected $helperSet = null;
024
025 /**
026 * Sets the helper set associated with this helper.
027 *
028 * @param HelperSet $helperSet A HelperSet instance
029 */
030 public function setHelperSet(HelperSet $helperSet = null)
031 {
032 $this->helperSet = $helperSet;
033 }
034
035 /**
036 * Gets the helper set associated with this helper.
037 *
038 * @return HelperSet A HelperSet instance
039 */
040 public function getHelperSet()
041 {
042 return $this->helperSet;
043 }
044
045 /**
046 * Returns the length of a string, using mb_strwidth if it is available.
047 *
048 * @param string $string The string to check its length
049 *
050 * @return int The length of the string
051 */
052 public static function strlen($string)
053 {
054 if (false === $encoding = mb_detect_encoding($string, null, true)) {
055 return strlen($string);
056 }
057
058 return mb_strwidth($string, $encoding);
059 }
060
061 public static function formatTime($secs)
062 {
063 static $timeFormats = array(
064 array(0, '< 1 sec'),
065 array(1, '1 sec'),
066 array(2, 'secs', 1),
067 array(60, '1 min'),
068 array(120, 'mins', 60),
069 array(3600, '1 hr'),
070 array(7200, 'hrs', 3600),
071 array(86400, '1 day'),
072 array(172800, 'days', 86400),
073 );
074
075 foreach ($timeFormats as $index => $format) {
076 if ($secs >= $format[0]) {
077 if ((isset($timeFormats[$index + 1]) && $secs < $timeFormats[$index + 1][0])
078 || $index == count($timeFormats) - 1
079 ) {
080 if (2 == count($format)) {
081 return $format[1];
082 }
083
084 return floor($secs / $format[2]).' '.$format[1];
085 }
086 }
087 }
088 }
089
090 public static function formatMemory($memory)
091 {
092 if ($memory >= 1024 * 1024 * 1024) {
093 return sprintf('%.1f GiB', $memory / 1024 / 1024 / 1024);
094 }
095
096 if ($memory >= 1024 * 1024) {
097 return sprintf('%.1f MiB', $memory / 1024 / 1024);
098 }
099
100 if ($memory >= 1024) {
101 return sprintf('%d KiB', $memory / 1024);
102 }
103
104 return sprintf('%d B', $memory);
105 }
106
107 public static function strlenWithoutDecoration(OutputFormatterInterface $formatter, $string)
108 {
109 $isDecorated = $formatter->isDecorated();
110 $formatter->setDecorated(false);
111 // remove <...> formatting
112 $string = $formatter->format($string);
113 // remove already formatted characters
114 $string = preg_replace("/\033\[[^m]*m/", '', $string);
115 $formatter->setDecorated($isDecorated);
116
117 return self::strlen($string);
118 }
119 }
120