HOW TO HANDLE FILES WITH PHP

Create a file

1 2 3

$my_file = 'file.txt'; // implicitly creates file $handle = fopen($my_file, 'w') or die('Cannot open file:  '.$my_file);

Open a file

1 2 3

$my_file = 'file.txt'; // open file for writing $handle = fopen($my_file, 'w') or die('Cannot open file:  '.$my_file);

Read a file

1 2 3

$my_file = 'file.txt'; $handle = fopen($my_file, 'r'); $data = fread($handle,filesize($my_file));

Write a file

1 2 3 4

$my_file = 'file.txt'; $handle = fopen($my_file, 'w') or die('Cannot open file:  '.$my_file); $data = 'This is the data'; fwrite($handle, $data);

Append to a file

1 2 3 4 5 6

$my_file = 'file.txt'; $handle = fopen($my_file, 'a') or die('Cannot open file:  '.$my_file); $data = 'New data line 1'; fwrite($handle, $data); $new_data = "\n".'New data line 2'; fwrite($handle, $new_data);

Close a file

1 2 3 4

$my_file = 'file.txt'; $handle = fopen($my_file, 'w') or die('Cannot open file:  '.$my_file); // write some data here fclose($handle);

Delete a file

1 2	$my_file = 'file.txt'; unlink($my_file);