Question

I’m trying to setup a html form that will take a file from a zip archive and edit it (change a few variables value) on submit.

so here’s the process:

user inputs details into the html form

a copy of a zip archive with a cofig.php will be copied into a temp folder

config.php will be extracted from the zip

once config.php has been extracted, the config.php in the zip will be deleted (ready for replacement)

the config.php that gets extracted needs to be edited

contents of config.php:

<?

$varible1 = "data_from_html_form";

$varible2 = "data_from_html_form";

$varible3 = "some_value";

//etc etc....

?>

the file will then be saved and placed back into the temporary zip archive ready to be distributed to the user.

All i need to know is how to edit the config.php and the variables in it.

Answer 1

Open a file with fopen to read your file into an array of strings, process it as you need (add/modify/remove), than use file_put_contents to save it back to file.

$contents = file('*your filename*');

foreach ($contents as $line) {
    //perform alterations;
}

unset ($contents[2]); //remove line 2;
$contents[] = "aaaa"; //append "aaaa" to the end of the file

file_put_contents('*filename*', $contents);

You can call file_put_contents with one-dimension array as second argument, but check if all newlines are still present in new file. If they are disappeared, use implode("\n",$contents) instead of just $contents.