If function successful, then repeat function - PHP [closed] - php

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I have the following function to upload a file to a database table field.
protected function _upload_file() {
...
}
Once uploaded, uploading a new file overwrites the original uploaded file.
What I want is to establish a new upload without overwriting the file. The way I see it, I would have to create a new function like;
function if_upload_file() {
...
}
If that function is successful, then repeat function.
Any idea how I could accomplish that?

Answer 1

Let the function return true if the file was uploaded successfully and as long as it stays true, you loop again and again. Like that
$con = true;
while($con) {
if($con) {
$con = your_function()
}
}
//your function
function your_function() {
//do your stuff here
if($file_upload_successful) {
return true;
} else {
return false;
}
}
At least i think this might work ... not even sure. Well, no risk no fun.

Answer 2

An alternative to Y U NO WORK's answer is to use the function recursively.
E.g. if you had an array of files to upload..
function foo($array_of_files) {
if(is_array($array_of_files) && count($array_of_files) > 0) {
$file = array_shift($array_of_files);
// ... Handle upload code.
if(count($array_of_files) > 0) {
foo($array_of_files);
}
}
}
However, this does build stack layers, and could be quite troublesome for debugging.
Using a while loop would be a sensible strategy so long as you handle the loop conditions correctly.