original_string: function strtrunc($charset, $string, $len) {
  		if ($len <= 0) {
  			return '';
  		}
  
  		if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['t3lib_cs_utils'] == 'mbstring') {
  			return mb_strcut($string, 0, $len, $charset);
  		} elseif ($charset == 'utf-8') {
  			return $this->utf8_strtrunc($string, $len);
  		} elseif ($this->eucBasedSets[$charset]) {
  			return $this->euc_strtrunc($string, $len, $charset);
  		} elseif ($this->twoByteSets[$charset]) {
  			if ($len % 2) {
  				$len--;
  			} // don't cut at odd positions
  		} elseif ($this->fourByteSets[$charset]) {
  			$x = $len % 4;
  			$len -= $x; // realign to position dividable by four
  		}
  			// treat everything else as single-byte encoding
  		return substr($string, 0, $len);
  	}
code: function strtrunc($charset, $string, $len) {
  		if ($len <= 0) {
  			return '';
  		}
  
  		if ($GLOBALS['TYPO3_CONF_VARS']['SYS']['t3lib_cs_utils'] == 'mbstring') {
  			return mb_strcut($string, 0, $len, $charset);
  		} elseif ($charset == 'utf-8') {
  			return $this->utf8_strtrunc($string, $len);
  		} elseif ($this->eucBasedSets[$charset]) {
  			return $this->euc_strtrunc($string, $len, $charset);
  		} elseif ($this->twoByteSets[$charset]) {
  			if ($len % 2) {
  				$len--;
  			} // don't cut at odd positions
  		} elseif ($this->fourByteSets[$charset]) {
  			$x = $len % 4;
  			$len -= $x; // realign to position dividable by four
  		}
  			// treat everything else as single-byte encoding
  		return substr($string, 0, $len);
  	}
code_tokens: function strtrunc ( $ charset , $ string , $ len ) { if ( $ len <= 0 ) { return '' ; } if ( $ GLOBALS [ 'TYPO3_CONF_VARS' ] [ 'SYS' ] [ 't3lib_cs_utils' ] == 'mbstring' ) { return mb_strcut ( $ string , 0 , $ len , $ charset ) ; } elseif ( $ charset == 'utf-8' ) { return $ this -> utf8_strtrunc ( $ string , $ len ) ; } elseif ( $ this -> eucBasedSets [ $ charset ] ) { return $ this -> euc_strtrunc ( $ string , $ len , $ charset ) ; } elseif ( $ this -> twoByteSets [ $ charset ] ) { if ( $ len % 2 ) { $ len -- ; } // don't cut at odd positions } elseif ( $ this -> fourByteSets [ $ charset ] ) { $ x = $ len % 4 ; $ len -= $ x ; // realign to position dividable by four } // treat everything else as single-byte encoding return substr ( $ string , 0 , $ len ) ; }
docstring: Cuts a string short at a given byte length.
  
  @param	string		The character set
  @param	string		Character string
  @param	integer		The byte length
  @return	string		The shortened string
  @see mb_strcut()
  @author	Martin Kutschker <martin.t.kutschker@blackbox.net>
docstring_tokens: Cuts a string short at a given byte length .