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See Release Notes

  • Bug fixes for general core bugs in 3.10.x will end 8 November 2021 (12 months).
  • Bug fixes for security issues in 3.10.x will end 9 May 2022 (18 months).
  • PHP version: minimum PHP 7.2.0 Note: minimum PHP version has increased since Moodle 3.8. PHP 7.3.x and 7.4.x are supported too.
<?php
>
/** * SCSSPHP *
< * @copyright 2012-2019 Leaf Corcoran
> * @copyright 2012-2020 Leaf Corcoran
* * @license http://opensource.org/licenses/MIT MIT * * @link http://scssphp.github.io/scssphp */ namespace ScssPhp\ScssPhp; use ScssPhp\ScssPhp\Base\Range; use ScssPhp\ScssPhp\Exception\RangeException;
> use ScssPhp\ScssPhp\Node\Number;
/**
< * Utilty functions
> * Utility functions
* * @author Anthon Pang <anthon.pang@gmail.com>
> * */ > * @internal
class Util { /** * Asserts that `value` falls within `range` (inclusive), leaving * room for slight floating-point errors. * * @param string $name The name of the value. Used in the error message.
< * @param \ScssPhp\ScssPhp\Base\Range $range Range of values. < * @param array $value The value to check.
> * @param Range $range Range of values. > * @param array|Number $value The value to check.
* @param string $unit The unit of the value. Used in error reporting. * * @return mixed `value` adjusted to fall within range, if it was outside by a floating-point margin. * * @throws \ScssPhp\ScssPhp\Exception\RangeException */ public static function checkRange($name, Range $range, $value, $unit = '') { $val = $value[1]; $grace = new Range(-0.00001, 0.00001);
> if (! \is_numeric($val)) { if ($range->includes($val)) { > throw new RangeException("$name {$val} is not a number."); return $val; > } } >
if ($grace->includes($val - $range->first)) { return $range->first; } if ($grace->includes($val - $range->last)) { return $range->last; } throw new RangeException("$name {$val} must be between {$range->first} and {$range->last}$unit"); } /** * Encode URI component * * @param string $string * * @return string */ public static function encodeURIComponent($string) { $revert = ['%21' => '!', '%2A' => '*', '%27' => "'", '%28' => '(', '%29' => ')']; return strtr(rawurlencode($string), $revert);
> } } > } > /** > * mb_chr() wrapper > * > * @param int $code > * > * @return string > */ > public static function mbChr($code) > { > // Use the native implementation if available, but not on PHP 7.2 as mb_chr(0) is buggy there > if (\PHP_VERSION_ID > 70300 && \function_exists('mb_chr')) { > return mb_chr($code, 'UTF-8'); > } > > if (0x80 > $code %= 0x200000) { > $s = \chr($code); > } elseif (0x800 > $code) { > $s = \chr(0xC0 | $code >> 6) . \chr(0x80 | $code & 0x3F); > } elseif (0x10000 > $code) { > $s = \chr(0xE0 | $code >> 12) . \chr(0x80 | $code >> 6 & 0x3F) . \chr(0x80 | $code & 0x3F); > } else { > $s = \chr(0xF0 | $code >> 18) . \chr(0x80 | $code >> 12 & 0x3F) > . \chr(0x80 | $code >> 6 & 0x3F) . \chr(0x80 | $code & 0x3F); > } > > return $s; > } > > /** > * mb_strlen() wrapper > * > * @param string $string > * @return int > */ > public static function mbStrlen($string) > { > // Use the native implementation if available. > if (\function_exists('mb_strlen')) { > return mb_strlen($string, 'UTF-8'); > } > > if (\function_exists('iconv_strlen')) { > return (int) @iconv_strlen($string, 'UTF-8'); > } > > throw new \LogicException('Either mbstring (recommended) or iconv is necessary to use Scssphp.'); > } > > /** > * mb_substr() wrapper > * @param string $string > * @param int $start > * @param null|int $length > * @return string > */ > public static function mbSubstr($string, $start, $length = null) > { > // Use the native implementation if available. > if (\function_exists('mb_substr')) { > return mb_substr($string, $start, $length, 'UTF-8'); > } > > if (\function_exists('iconv_substr')) { > if ($start < 0) { > $start = static::mbStrlen($string) + $start; > if ($start < 0) { > $start = 0; > } > } > > if (null === $length) { > $length = 2147483647; > } elseif ($length < 0) { > $length = static::mbStrlen($string) + $length - $start; > if ($length < 0) { > return ''; > } > } > > return (string)iconv_substr($string, $start, $length, 'UTF-8'); > } > > throw new \LogicException('Either mbstring (recommended) or iconv is necessary to use Scssphp.'); > } > > /** > * mb_strpos wrapper > * @param string $haystack > * @param string $needle > * @param int $offset > * > * @return int|false > */ > public static function mbStrpos($haystack, $needle, $offset = 0) > { > if (\function_exists('mb_strpos')) { > return mb_strpos($haystack, $needle, $offset, 'UTF-8'); > } > > if (\function_exists('iconv_strpos')) { > return iconv_strpos($haystack, $needle, $offset, 'UTF-8'); > } > > throw new \LogicException('Either mbstring (recommended) or iconv is necessary to use Scssphp.');