php in_array usage

Question

I have this code: ids row is like ( 54,88,15,78) a string concat of id:

$sql = "SELECT *, ids FROM.....";
$results = $Database->Select($sql);
$last = end($results);
foreach($results as $i){
    $userArray = explode(",",$i['ids']);
    if( in_array($_SESSION['AUTH_ID'], $userArray) ){
        echo $i['name'];
        if($last != $i)
            echo ",\n";
    }
}

This prints always a comma after $i['name']... this is wrong.. how can i fix it?? How can I count in_array new value??

erenon · Accepted Answer · 2011-05-17 09:00:37Z

7

There is an easier way to do this:

/* ... */
$logged_in[] = array();
if( in_array($_SESSION['AUTH_ID'], $userArray) ){
    $logged_in[] = $i['name'];
}

echo implode(', ', $logged_in);

This prints Alice, Bob

edited May 17, 2011 at 9:00

answered May 17, 2011 at 8:55

erenon

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1 Comment

chx Over a year ago

Use implode instead of join otherwise, yes. (It's a very rarely used alias of implode and the code already uses explode.)

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