add comment to php files

Hello!  I have a project i'm working on that i have failed to include comments at the top of all of my php files *rolleyes*
anyway, I need to create a script that reads all php files in a certain directory and recurses directories; and simply write a comment lets say in the form of /* my comment */ at the first line.  obviously i would rather not have the entire comment on one line.  rather i would like to have the comment taking up lets say, the first 100 characters per line then go to the next..like:  
/*  my comment that starts here
* the rest of my comment
*/
i know this may sound trivial and it was my mistake in forgetting to do this but i'm lazy and there are too many files to edit  :)
anyone have a solution for this?
thank you very much in advance!
                               
linuxroxAsked:
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
>at the top of all of my php files
the comments with /* etc  */ need to be inside the <?php  tag ...  ?>
the /* can indeed span several lines
to comment only 1 line (ie the rest of it), use the following: // comment

to comment outside the <?php ?> tags, you have to use the html comment tags:
<!--  comment  -->
this also works like the /* */ over multiple lines
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linuxroxAuthor Commented:
angelIII:  :)  you don't seem to understand....  I'm very aware of the comment structure of php :)
what i'm asking for is a way to open files using fopen to open all php files and insert a comment of my choosing at line 1 of all php files in recursive directories :)
also i fully understand html comments :)
-------thank you for the input but i'm not sure you fully understood what i'm asking for here.
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
sorry, indeed i didn't read as from line 2...

so the q is:
how to modify all (.php) files in a folder (+subfolders), by adding some comment lines in the front of it...

I would start with something like this:
http://www.lixlpixel.org/recursive_function/php/recursive_directory_scan/

now, per file, I would copy the file to another extention as safe backup, then rewrite the original file with the comment lines + copying the original file contents:

$fin = fopen($copy_file, "r+");
$fout = fopen($original_file,"a");

fwrite($fout,"write your comment first");

// now, copy the rest of the file
$maxread=filesize($copy_file);
$data = fgets($fin,$maxread);
while ((ftell($fin)<$maxread)) {
    fwrite($fout,$data);
    $data = fgets($fin,$maxread);
  }
fclose($fin);
fclose($fout);

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linuxroxAuthor Commented:
thx angelIII:
i'm getting ready to head to sleep but let me look at this first thing in the morning!  thanks for the response!
have a great night.
thanks again!
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RoonaanCommented:
I agree with angelIII on the backup part, but for the replacement I would go with:

$comment = "\n/* Comment line 1\n * Comment line 2\n * Comment Line 3\n */";

$input = file_get_contents($copy_file);
$fout  = fopen($original_file, 'w');
fwrite($fout, str_replace('<'.'?php', '<'.'?php'.$comment, $input));
fclose($fout);

-r-
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Guy Hengel [angelIII / a3]Billing EngineerCommented:
Roonaan, would that not put the comment before ANY <?php opening tag?
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RoonaanCommented:
Yeah, I had to add an additional ,1 into the statement. But it places the comment after the <?php:

fwrite($fout, str_replace('<'.'?php', '<'.'?php'.$comment, $input, 1));

-r-
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linuxroxAuthor Commented:
thx guys.  I had forgotten about this question! :)
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