php file writing problem

Question

I have a script which constanly append strings into a file.

For example (this is a test script):

$i = 1;
$file = 'wikipedia/test.txt';
$text = 'the quick brown fox jumps over the lazy dog';
while($i!=0)
{
  file_put_contents($file, $text, FILE_APPEND );
}

But for an unknown reason my program stops appending strings when the text file reached the file size of 2097156 B . It wasn't a disk space issue since i could still create another text file yet limited to the same exact file size value.

I tried using other php functions fwrite, fputs but still didn't work out.

Any idea why this problem occurs?

Please expand on "still didn't work out." Did you encounter exactly the same problem at exactly the same file size when using `fwrite` and `fputs`? — George Cummins, Jul 08 '11 at 17:59
Yes.. same problem. It stops appending when it reached the said file size — ralpu, Jul 08 '11 at 18:03

score 1 · Answer 1 · answered Jul 08 '11 at 18:00

1

Seems unlikely, but you might have run up against PHP's max_execution_time if its current setting is very low. Try increasing its value in php.ini

answered Jul 08 '11 at 18:00

Michael Berkowski

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score 0 · Answer 2 · answered Jul 08 '11 at 18:03

0

Your loop doesnt make sense. It never changes $i. Try it without the while.

$file = 'wikipedia/test.txt';
$text = 'the quick brown fox jumps over the lazy dog';
file_put_contents($file, $text, FILE_APPEND );

answered Jul 08 '11 at 18:03

sroes

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An unbound loop makes sense if he wants to `constantly append strings` – horatio Jul 08 '11 at 18:09

score 0 · Answer 3 · answered Jul 08 '11 at 18:04

There are several issues that could cause this problem.

You may have encountered the max execution time limit ( default: 30 seconds ).
You may have exhausted the memory limit ( default: varies by version)
Something may have changed on disk ( the file permissions may have changed, or you may have exceeded a disk quota).

PHP's error output would be invaluable for identify which of these issues may have contributed to the problem.

php file writing problem

3 Answers3