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<?php |
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namespace WebservicesNl\Utils; |
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use Ddeboer\Transcoder\Transcoder; |
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/** |
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* Class StringUtils. |
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*/ |
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class StringUtils |
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{ |
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/** |
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* @param string $filename |
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* @param bool $lowercase |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return string |
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*/ |
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public static function getFileExtension($filename, $lowercase = true) |
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{ |
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if (false === is_string($filename)) { |
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throw new \InvalidArgumentException(sprintf('Filename must be a string, %s given', gettype($filename))); |
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} |
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$extension = pathinfo($filename, PATHINFO_EXTENSION); |
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return $lowercase ? strtolower($extension) : $extension; |
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} |
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/** |
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* Determine if a string ends with a particular sequence. |
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* |
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* @param string $haystack |
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* @param string $needle |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return bool |
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*/ |
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public static function stringEndsWith($haystack, $needle) |
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{ |
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if (!is_string($haystack) || !is_string($needle)) { |
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throw new \InvalidArgumentException('Not a string'); |
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} |
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return (strrpos($haystack, $needle) + strlen($needle)) === strlen($haystack); |
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} |
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/** |
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* Determine if a string starts with a particular sequence. |
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* |
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* @param string $haystack |
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* @param string $needle |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return bool |
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*/ |
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public static function stringStartsWith($haystack, $needle) |
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{ |
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if (!is_string($haystack) || !is_string($needle)) { |
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throw new \InvalidArgumentException('Not a string'); |
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} |
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return strpos($haystack, $needle) === 0; |
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} |
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/** |
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* Remove the prefix from the provided string. |
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* |
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* @param string $haystack |
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* @param string $prefix |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return string |
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*/ |
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public static function removePrefix($haystack, $prefix) |
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{ |
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if (!is_string($haystack) || !is_string($prefix)) { |
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throw new \InvalidArgumentException('Not a string'); |
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} |
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if (strpos($haystack, $prefix) === 0) { |
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$haystack = substr($haystack, strlen($prefix)); |
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} |
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return $haystack; |
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} |
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/** |
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* Convert strings with underscores into CamelCase (for getters and setters). |
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* |
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* @param string $string The string to convert |
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* @param bool $firstCharCaps camelCase or CamelCase |
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* |
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* @throws \Ddeboer\Transcoder\Exception\UnsupportedEncodingException |
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* @throws \Ddeboer\Transcoder\Exception\ExtensionMissingException |
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* @throws \InvalidArgumentException |
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* |
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* @return string The converted string |
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*/ |
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public static function toCamelCase($string, $firstCharCaps = true) |
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{ |
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if (!is_string($string)) { |
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throw new \InvalidArgumentException('Not a string'); |
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} |
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$transcoder = Transcoder::create(); |
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$string = $transcoder->transcode($string); |
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if ($firstCharCaps === true) { |
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$string = ucfirst($string); |
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} |
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return $string; |
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} |
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/** |
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* Internal function for toUnderscore. |
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* |
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* @param string $word |
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* |
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* @throws \InvalidArgumentException |
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* |
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* @return string |
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*/ |
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private static function wordToUnderscored($word) |
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{ |
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return strtolower( |
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trim( |
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preg_replace( |
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'~[^a-z^\d]+~i', |
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'_', |
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preg_replace( |
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'~([a-z\d+])([A-Z])~', |
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'\1_\2', |
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preg_replace('~([A-Z]+)([A-Z][a-z])~', '\1_\2', $word) |
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) |
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), |
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'_' |
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) |
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); |
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} |
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/** |
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* Converts a string to underscore version. |
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* Also tries to filter out higher UTF-8 chars. |
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* |
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* @param string $string |
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* |
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* @throws \Ddeboer\Transcoder\Exception\UnsupportedEncodingException |
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* @throws \Ddeboer\Transcoder\Exception\ExtensionMissingException |
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* @throws \InvalidArgumentException |
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* |
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* @return string |
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*/ |
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public static function toUnderscore($string) |
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{ |
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if (!is_string($string)) { |
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throw new \InvalidArgumentException('Not a string'); |
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} |
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$transCoder = Transcoder::create('ASCII'); |
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$string = $transCoder->transcode(trim($string)); |
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$words = explode(' ', $string); |
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return implode('_', array_filter(array_map([static::class, 'wordToUnderscored'], $words))); |
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} |
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} |
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webservices-nl /
utils
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