PHP删除.txt中的一个值

Question

i have data that saved in save.txt below is the content...

A;;;

B;;;

C;;;B

D;;;A

E;;;B

F;;;C

How to delete the A and B values in PHP?

$pick= file_get_contents('save.txt');
$rows= explode("
", $pick);
array_shift($rows);
foreach($rows as $row => $data)
{
    $row_data = explode(";",$data);
    echo $row_data[0].'-'.$row_data[3].'<br/>';
    if($row_data[3]==false)
    {
        //here is the command
    }
}

please help me. thankyou :)

Answer 1

At face value...

$pick= file_get_contents('save.txt');
$pick=str_replace(array('A','B'),'',$pick);

But why do I have a sneaking suspicion there's more to this story...