No database online polls to investigate PHP code _php instances

This is a php +txt text file made by the online call voting system, without database support can complete the online user survey function, the details are as follows

  <title>Online Survey program code</title>     Survey.php <? /* No Database Tutorials online poll for PHP code this is a php +txt text file made online call voting system, without database support can complete the online user survey function.  */$data = "Data.txt";  $votes = "Survey.txt";    $dataf =file ($data);  /* read out the items in the survey project file */$file _votes=fopen ($votes, "R"); $line _votes=fgets ($file _votes, 255);  /* read out the recorded findings */fclose ($file _votes); $single _vote=explode ("|", $line _votes);   /* and cut the data into the specified string, then pass the string back to the array variable */if ($result!=1)/* If you have already accepted the investigation */{$file _votes=file ($votes, "R"); if ($remote _addr = = $file _votes[1])/* Check is not the same person */{echo '
 
  
   You have voted, thank you for your participation!
  
 ";    Exit   }/* If IP is not duplicated, execute the following program */$ficdest =fopen ($votes, "w"); for ($i =0; $i <=count ($DATAF)-1; $i + +) {if ($i = = $vote) {/* Determine which item is selected */$single _vote      [$i]+=1; } fputs ($ficdest, "$single _vote[$i]|");   /* Write data back to file */} fputs ($ficdest, "n$remote_addr");/*/write to voter ip*/fclose ($ficdest); $result = 1; /* Vote successfully */}/* After writing the poll results and display the poll results */if ($result ==1) {echo]
 
 
  
  ";   for ($i =0; $i <=count ($DATAF)-1; $i + +) {/* Get total votes */$tot _votes+= $single _vote[$i]; } for ($i =0; $i <=count ($DATAF)-1; $i + +) {$imag =strval ($i). ". GIF ";/* determine which bar image to use to display statistical results */$STAT [$i]= $single _vote[$i]/$tot _votes*100; /* Calculate percent */$scla = $stat [$i]*5;/* bar and magnification, here is the width of 5 times times the phase of the Ann percentage to display the */echo "
  
  "; } echo " 
  
 
   
 
    
"; echo "$dataf [$i]
 
    
"; echo "";/* Output Barcode Graph */printf ("%.1f", "$stat [$i]"); echo "%
 
    
"; /* Output This column voting number */echo "$single _vote[$i]"; echo "
 
   

 
 
"; echo "Total votes: $tot _votes";} /* Data.txt File Survey Project two survey project three investigation project four investigation Project five */?>

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