What could be causing the issue of repetitive values in the PHP code?

The issue of repetitive values in PHP code could be caused by a loop that is not properly structured or a variable that is not being updated correctly within the loop. To solve this issue, ensure that the loop is iterating over the correct data and that variables are being updated as expected. 

// Example of a loop that may cause repetitive values
$numbers = [1, 2, 3, 4, 5];
$sum = 0;

foreach ($numbers as $number) {
    $sum += $number;
    echo $sum . "<br>";
}
```

In this example, the variable $sum is being updated within the loop, causing repetitive values to be echoed. To fix this issue, move the echo statement outside the loop so that it only displays the final sum:

```php
// Fix for the repetitive values issue
$numbers = [1, 2, 3, 4, 5];
$sum = 0;

foreach ($numbers as $number) {
    $sum += $number;
}

echo $sum;

Keywords

PHP repetitive values bug array_unique data validation

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