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<?php |
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namespace NFePHP\Common; |
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/** |
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* Classe auxiliar para o tratamento de strings |
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* @category NFePHP |
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* @package NFePHP\Common\Strings |
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* @copyright Copyright (c) 2008-2017 |
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* @license http://www.gnu.org/licenses/lesser.html LGPL v3 |
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* @author Roberto L. Machado <linux dot rlm at gmail dot com> |
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* @link http://github.com/nfephp-org/nfephp for the canonical source repository |
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*/ |
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use ForceUTF8\Encoding; |
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class Strings |
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{ |
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/** |
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* Replace all specials characters from string and retuns only 128 basics |
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* NOTE: only for UTF-8 |
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* @param string $string |
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* @return string |
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*/ |
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public static function replaceSpecialsChars($string) |
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{ |
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$string = trim($string); |
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$aFind = ['&','á','à','ã','â','é','ê','í','ó','ô','õ','ú','ü', |
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'ç','Á','À','Ã','Â','É','Ê','Í','Ó','Ô','Õ','Ú','Ü','Ç']; |
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$aSubs = ['e','a','a','a','a','e','e','i','o','o','o','u','u', |
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'c','A','A','A','A','E','E','I','O','O','O','U','U','C']; |
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$newstr = str_replace($aFind, $aSubs, $string); |
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$newstr = preg_replace("/[^a-zA-Z0-9 @#,-_.;:$%\/]/", "", $newstr); |
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$newstr = preg_replace("/[<>]/", "", $newstr); |
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return $newstr; |
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} |
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/** |
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* Clear inputs for build in XML |
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* Only UTF-8 characters is acceptable |
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* & isolated, less than, greater than, quotation marks and apostrophes |
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* should be replaced by their html equivalent |
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* Carriage Return, Tab and Line Feed is not acceptable in strings |
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* Multiple spaces is not acceptable in strings |
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* And no other control character is acceptable either |
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* @param string|null $input |
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* @return string|null |
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*/ |
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public static function replaceUnacceptableCharacters($input) |
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{ |
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if (empty($input)) { |
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return $input; |
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} |
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//& isolated, less than, greater than, quotation marks and apostrophes |
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//should be replaced by their html equivalent |
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$input = str_replace(['& ','<','>','"',"'"], ['& ','<','>','"','''], $input); |
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//Carriage Return, Tab and Line Feed is not acceptable in strings |
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$input = str_replace(["\r","\t","\n"], "", $input); |
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//Multiple spaces is not acceptable in strings |
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$input = preg_replace('/(?:\s\s+)/', ' ', $input); |
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//Only UTF-8 characters is acceptable |
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$input = Encoding::fixUTF8($input); |
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$input = preg_replace( |
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'/[\x00-\x08\x10\x0B\x0C\x0E-\x19\x7F]'. |
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'|[\x00-\x7F][\x80-\xBF]+'. |
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'|([\xC0\xC1]|[\xF0-\xFF])[\x80-\xBF]*'. |
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'|[\xC2-\xDF]((?![\x80-\xBF])|[\x80-\xBF]{2,})'. |
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'|[\xE0-\xEF](([\x80-\xBF](?![\x80-\xBF]))|(?![\x80-\xBF]{2})|[\x80-\xBF]{3,})/S', |
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'', |
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$input |
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); |
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$input = preg_replace('/\xE0[\x80-\x9F][\x80-\xBF]'. |
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'|\xED[\xA0-\xBF][\x80-\xBF]/S', '', $input); |
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//And no other control character is acceptable either |
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$input = preg_replace('/[[:cntrl:]]/', '', $input); |
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return trim($input); |
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} |
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/** |
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* Remove all non numeric characters from string |
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* @param string $string |
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* @return string |
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*/ |
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public static function onlyNumbers($string) |
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{ |
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return preg_replace("/[^0-9]/", "", $string); |
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} |
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/** |
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* Remove unwanted attributes, prefixes, sulfixes and other control |
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* characters like \r \n \s \t |
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* @param string $string |
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* @param boolean $removeEncodingTag remove encoding tag from a xml |
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* @return string |
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*/ |
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public static function clearXmlString($string, $removeEncodingTag = false) |
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{ |
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$aFind = array( |
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'xmlns:default="http://www.w3.org/2000/09/xmldsig#"', |
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' standalone="no"', |
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'default:', |
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':default', |
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"\n", |
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"\r", |
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"\t" |
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); |
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$retXml = str_replace($aFind, "", $string); |
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$retXml = preg_replace('/(\>)\s*(\<)/m', '$1$2', $retXml); |
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if ($removeEncodingTag) { |
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$retXml = self::deleteAllBetween($retXml, '<?xml', '?>'); |
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} |
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return $retXml; |
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} |
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/** |
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* Remove all characters between markers |
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* @param string $string |
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* @param string $beginning |
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* @param string $end |
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* @return string |
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*/ |
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public static function deleteAllBetween($string, $beginning, $end) |
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{ |
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$beginningPos = strpos($string, $beginning); |
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$endPos = strpos($string, $end); |
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if ($beginningPos === false || $endPos === false) { |
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return $string; |
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} |
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$textToDelete = substr($string, $beginningPos, ($endPos + strlen($end)) - $beginningPos); |
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return str_replace($textToDelete, '', $string); |
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} |
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/** |
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* Clears the xml after adding the protocol, removing repeated namespaces |
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* @param string $string |
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* @return string |
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*/ |
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public static function clearProtocoledXML($string) |
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{ |
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$procXML = self::clearXmlString($string); |
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$aApp = array('nfe','cte','mdfe'); |
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foreach ($aApp as $app) { |
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$procXML = str_replace( |
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'xmlns="http://www.portalfiscal.inf.br/'.$app.'" xmlns="http://www.w3.org/2000/09/xmldsig#"', |
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'xmlns="http://www.portalfiscal.inf.br/'.$app.'"', |
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$procXML |
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); |
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} |
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return $procXML; |
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} |
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/** |
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* Remove some alien chars from txt |
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* @param string $txt |
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* @return string |
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*/ |
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public static function removeSomeAlienCharsfromTxt($txt) |
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{ |
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//remove CRs and TABs |
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$txt = str_replace(["\r","\t"], "", $txt); |
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//remove multiple spaces |
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$txt = preg_replace('/(?:\s\s+)/', ' ', $txt); |
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//remove spaces at begin and end of fields |
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$txt = str_replace(["| "," |"], "|", $txt); |
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return $txt; |
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} |
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/** |
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* Creates a string ramdomically with the specified length |
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* @param int $length |
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* @return string |
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*/ |
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public static function randomString($length) |
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{ |
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$keyspace = '0123456789abcdefghijklmnopqr' |
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. 'stuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; |
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$str = ''; |
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$max = mb_strlen($keyspace, '8bit') - 1; |
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for ($i = 0; $i < $length; ++$i) { |
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$str .= $keyspace[rand(0, $max)]; |
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} |
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return $str; |
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} |
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} |
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nfephp-org /
sped-common
