<?php mkdir("testing"); ?> <= this, actually creates a folder called "testing".
<?php
$file = fopen("test.txt","w");
echo fwrite($file,"Hello World. Testing!");
fclose($file);
?>
Use the a or a+ switch to add/append to file.
<?php
// change the name below for the folder you want
$dir = "new_folder_name";
$file_to_write = 'test.txt';
$content_to_write = "The content";
if( is_dir($dir) === false )
{
mkdir($dir);
}
$file = fopen($dir . '/' . $file_to_write,"w");
// a different way to write content into
// fwrite($file,"Hello World.");
fwrite($file, $content_to_write);
// closes the file
fclose($file);
// this will show the created file from the created folder on screen
include $dir . '/' . $file_to_write;
?>