$filesList was never initialized. Although not strictly required by PHP, it is generally a good practice to add $filesList = array(); before regardless.
Adding an explicit array definition is generally preferable to implicit array
definition as it guarantees a stable state of the code.
Let’s take a look at an example:
foreach($collectionas$item){$myArray['foo']=$item->getFoo();if($item->hasBar()){$myArray['bar']=$item->getBar();}// do something with $myArray}
As you can see in this example, the array $myArray is initialized the first
time when the foreach loop is entered. You can also see that the value of the
bar key is only written conditionally; thus, its value might result from a
previous iteration.
This might or might not be intended. To make your intention clear, your code
more readible and to avoid accidental bugs, we recommend to add an explicit
initialization $myArray=array() either outside or inside the foreach loop.
The expression $model->saveFile($filename, $_POST['content']) of type false|integer is loosely compared to true; this is ambiguous if the integer can be zero. You might want to explicitly use !== null instead.
In PHP, under loose comparison (like ==, or !=, or switch conditions),
values of different types might be equal.
For integer values, zero is a special case, in particular the following
results might be unexpected:
0==false// true0==null// true123==false// false123==null// false// It is often better to use strict comparison0===false// false0===null// false
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37
AlertsCollection::add(new Alert(
38
'success',
39
'Pomyślnie zapisano plik szablonu '.$filename.'.'
40
));
41
} else {
42
AlertsCollection::add(new Alert(
43
'error',
44
'Coś poszło nie tak podczas zapisywania pliku '.$filename.'. '.
Adding an explicit array definition is generally preferable to implicit array definition as it guarantees a stable state of the code.
Let’s take a look at an example:
As you can see in this example, the array
$myArray
is initialized the first time when the foreach loop is entered. You can also see that the value of thebar
key is only written conditionally; thus, its value might result from a previous iteration.This might or might not be intended. To make your intention clear, your code more readible and to avoid accidental bugs, we recommend to add an explicit initialization $myArray = array() either outside or inside the foreach loop.