See Release Notes
Long Term Support Release
<?php /** * SCSSPHP * * @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>> * */ > * @internalclass 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)) { throw new RangeException("$name {$val} is not a number."); } if ($range->includes($val)) { 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 integer $code> * @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($string, 'UTF-8'); } if (\function_exists('iconv_strlen')) {< return @iconv_strlen($string, 'UTF-8');> return (int) @iconv_strlen($string, 'UTF-8');}< return strlen($string);> 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, $length, 'UTF-8'); }< return substr($string, $start, $length);> 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, $offset, 'UTF-8'); }< return strpos($haystack, $needle, $offset);> throw new \LogicException('Either mbstring (recommended) or iconv is necessary to use Scssphp.');} }