html file creation

@mitconMar 16.2005 — #Steve:

Collect the file name and HTML code then on submit load the PHP file to do the transfer (could be the same script or a different one). The script to do the download should have the following logic:

1: Check to see if the file exists. If it does alert the user and ask for confirmation before overwriting. If the file does not exist continue on to #2, or the user agrees, go on to #2.

2: Open the file using fopen() and the correct mode. Write some hard coded "stuff". Write the entered "stuff". Write the final hard coded "stuff"

The PHP might look something like this:

[code=php]if (file_exists($fileName){
 //alert the user before continuing
 } else {
 if ($fileHandle = fopen($fileName,"w+")) {
 fwrite($fileHandle, $htmlPrelude); //everything including <body> tag
 fwrite($fileHandle, $htmlCode); //continue doing fwrites until all of body lines are written
 fwrite($fileHandle, $filePostlude); //could be only the </body> and </html> tags
 } else {
 //handle write error
 } //end if fopen()
 } //end if file_exists()
 fclose($fileHandle);
 [/code]

The fopen with the "w+" mode opens a file for read/write access and (THIS IS IMPORTANT) truncates the file to 0 length. This is why you must check for the existance of the the file BEFORE opening it.

Of course you would want to verify that the writes wet off without a hitch. You do that by checking the status returned from the fwrite(...) command.

Check out the PHP manual at [URL=http://www.php.net]http://www.php.net[/URL]. Search the Function Reference for [b]fopen(), fwrite(), file_exists() and fclose()[/b] for explanations and good examples of how to use these functions.

html file creation

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