[SOLVED] open a text file, get number, add to it and close it.

[jjmusicpro]

i am having trouble with this...

 

i wanted to open a text file c.txt, get the number thats in there, add to it, and close the file

 

here is what i have

 

<?php

$file = fopen("c.txt", "r") or exit("Unable to open file!");

//Output a line of the file until the end is reached

while(!feof($file))

  {

  echo "NUMBER -".fgets($file). "<br />";

 

  }

fclose($file);

?>

[wildteen88]

If the file only contains just a number use file_get_contents.

 

$number = trim(file_get_contents('c.txt'));

echo 'NUMBER: ' . $number;

[keeB]

<?php
$file = fopen("c.txt", "r") or exit("Unable to open file!");
//Output a line of the file until the end is reached
while(!feof($file))
  {
   $num = fgets($file); 
  }
fclose($file);

$file = fopen("c.txt", "w");
fwrite($file, $num+1);
fclose($file);

?>

[jjmusicpro]

If the file only contains just a number use file_get_contents.

 

$number = trim(file_get_contents('c.txt'));

echo 'NUMBER: ' . $number;

 

dont i have to put something to update the number and write it back to the file, so next time someone comes it will +?

[wildteen88]

Yes use file_put_contents

 

$number = trim(file_get_contents('c.txt'));

echo 'NUMBER: ' . $number;

$new_number = $number + 6; // whatever you want to add to the number

file_put_contents('c.txt', $new_number);

[jjmusicpro]

Yes use file_put_contents

 

$number = trim(file_get_contents('c.txt'));

echo 'NUMBER: ' . $number;

$new_number = $number + 6; // whatever you want to add to the number

file_put_contents('c.txt', $new_number);

 

Perfect that worked!

 

Question, is this a good way to track hits? or should i do it in a DB?

[keeB]

You'd have a rough time with concurrency in a flat text file.