original_string: private static function checkSeqType($seqTp)
      {
          $seqTp = strtoupper($seqTp);
  
          if( in_array($seqTp, [self::SEQUENCE_TYPE_FIRST, self::SEQUENCE_TYPE_RECURRING,
                                self::SEQUENCE_TYPE_ONCE, self::SEQUENCE_TYPE_FINAL]) )
              return $seqTp;
  
          return false;
      }
code: private static function checkSeqType($seqTp)
      {
          $seqTp = strtoupper($seqTp);
  
          if( in_array($seqTp, [self::SEQUENCE_TYPE_FIRST, self::SEQUENCE_TYPE_RECURRING,
                                self::SEQUENCE_TYPE_ONCE, self::SEQUENCE_TYPE_FINAL]) )
              return $seqTp;
  
          return false;
      }
code_tokens: private static function checkSeqType ( $ seqTp ) { $ seqTp = strtoupper ( $ seqTp ) ; if ( in_array ( $ seqTp , [ self :: SEQUENCE_TYPE_FIRST , self :: SEQUENCE_TYPE_RECURRING , self :: SEQUENCE_TYPE_ONCE , self :: SEQUENCE_TYPE_FINAL ] ) ) return $ seqTp ; return false ; }
docstring: Checks if the sequence type is valid.
  
  @param string $seqTp
  @return string|false
docstring_tokens: Checks if the sequence type is valid .