breaking up form results and writing to file

[JimiLives]

Hi all, here is the problem: I have a form that has a multiline text box i have labelled as "terms", the users can paste up to 2000 lines in the terms box and i want to save each group of 100 lines into a seperate text file. So how do i loop this and have it cut and go to next file after 100 lines have been written?

Any help would be greatly appreciated, here is the code I have now that is grabbing the terms they enter and saving it to a single file, it works great but only saves all of the terms to one file:

<?php 
//write keywords to a file
$data = $_POST["terms"]; 
$file = "terms.txt";
$file_handle = fopen($file,"a");   
fwrite($file_handle, $data);
fclose($file_handle); 
?>

[paul2463]

I dont know exactly how you would go about it as I have very limited knowledge on REGEXP, but you could loop over the text file looking for ( /r/n ) which is the REGEXP for carriage return/line feed, count them and split the file up at that point when you reach 1 hundred of them....

[Orio]

Instead of using regular expressions, you can just use explode()

Orio.