diff options
Diffstat (limited to 'vendor/zendframework/zend-stdlib/src/StringUtils.php')
| -rw-r--r-- | vendor/zendframework/zend-stdlib/src/StringUtils.php | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/vendor/zendframework/zend-stdlib/src/StringUtils.php b/vendor/zendframework/zend-stdlib/src/StringUtils.php deleted file mode 100644 index 9bbb4a4..0000000 --- a/vendor/zendframework/zend-stdlib/src/StringUtils.php +++ /dev/null @@ -1,187 +0,0 @@ -<?php -/** - * Zend Framework (http://framework.zend.com/) - * - * @link http://github.com/zendframework/zf2 for the canonical source repository - * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) - * @license http://framework.zend.com/license/new-bsd New BSD License - */ - -namespace Zend\Stdlib; - -use Zend\Stdlib\StringWrapper\StringWrapperInterface; - -/** - * Utility class for handling strings of different character encodings - * using available PHP extensions. - * - * Declared abstract, as we have no need for instantiation. - */ -abstract class StringUtils -{ - /** - * Ordered list of registered string wrapper instances - * - * @var StringWrapperInterface[] - */ - protected static $wrapperRegistry = null; - - /** - * A list of known single-byte character encodings (upper-case) - * - * @var string[] - */ - protected static $singleByteEncodings = array( - 'ASCII', '7BIT', '8BIT', - 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4', 'ISO-8859-5', - 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9', 'ISO-8859-10', - 'ISO-8859-11', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16', - 'CP-1251', 'CP-1252', - // TODO - ); - - /** - * Is PCRE compiled with Unicode support? - * - * @var bool - **/ - protected static $hasPcreUnicodeSupport = null; - - /** - * Get registered wrapper classes - * - * @return string[] - */ - public static function getRegisteredWrappers() - { - if (static::$wrapperRegistry === null) { - static::$wrapperRegistry = array(); - - if (extension_loaded('intl')) { - static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Intl'; - } - - if (extension_loaded('mbstring')) { - static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\MbString'; - } - - if (extension_loaded('iconv')) { - static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Iconv'; - } - - static::$wrapperRegistry[] = 'Zend\Stdlib\StringWrapper\Native'; - } - - return static::$wrapperRegistry; - } - - /** - * Register a string wrapper class - * - * @param string $wrapper - * @return void - */ - public static function registerWrapper($wrapper) - { - $wrapper = (string) $wrapper; - if (!in_array($wrapper, static::$wrapperRegistry, true)) { - static::$wrapperRegistry[] = $wrapper; - } - } - - /** - * Unregister a string wrapper class - * - * @param string $wrapper - * @return void - */ - public static function unregisterWrapper($wrapper) - { - $index = array_search((string) $wrapper, static::$wrapperRegistry, true); - if ($index !== false) { - unset(static::$wrapperRegistry[$index]); - } - } - - /** - * Reset all registered wrappers so the default wrappers will be used - * - * @return void - */ - public static function resetRegisteredWrappers() - { - static::$wrapperRegistry = null; - } - - /** - * Get the first string wrapper supporting the given character encoding - * and supports to convert into the given convert encoding. - * - * @param string $encoding Character encoding to support - * @param string|null $convertEncoding OPTIONAL character encoding to convert in - * @return StringWrapperInterface - * @throws Exception\RuntimeException If no wrapper supports given character encodings - */ - public static function getWrapper($encoding = 'UTF-8', $convertEncoding = null) - { - foreach (static::getRegisteredWrappers() as $wrapperClass) { - if ($wrapperClass::isSupported($encoding, $convertEncoding)) { - $wrapper = new $wrapperClass($encoding, $convertEncoding); - $wrapper->setEncoding($encoding, $convertEncoding); - return $wrapper; - } - } - - throw new Exception\RuntimeException( - 'No wrapper found supporting "' . $encoding . '"' - . (($convertEncoding !== null) ? ' and "' . $convertEncoding . '"' : '') - ); - } - - /** - * Get a list of all known single-byte character encodings - * - * @return string[] - */ - public static function getSingleByteEncodings() - { - return static::$singleByteEncodings; - } - - /** - * Check if a given encoding is a known single-byte character encoding - * - * @param string $encoding - * @return bool - */ - public static function isSingleByteEncoding($encoding) - { - return in_array(strtoupper($encoding), static::$singleByteEncodings); - } - - /** - * Check if a given string is valid UTF-8 encoded - * - * @param string $str - * @return bool - */ - public static function isValidUtf8($str) - { - return is_string($str) && ($str === '' || preg_match('/^./su', $str) == 1); - } - - /** - * Is PCRE compiled with Unicode support? - * - * @return bool - */ - public static function hasPcreUnicodeSupport() - { - if (static::$hasPcreUnicodeSupport === null) { - ErrorHandler::start(); - static::$hasPcreUnicodeSupport = defined('PREG_BAD_UTF8_OFFSET_ERROR') && preg_match('/\pL/u', 'a') == 1; - ErrorHandler::stop(); - } - return static::$hasPcreUnicodeSupport; - } -} |