Hi really need help here is my function.

```
function isdAuthorTrue( $post_id ) { 

    $coauthors = get_post_meta( $post_id, "coAuthors" );

    print_r($coauthors);
    // print_r output Array ( [0] => 78 )

     $key = array_search( 78, $coauthors );
     $key = 0;
     if($key !== false) {

       return true;

     } else {

         return false;
          }
}

```

then i am trying to do and if statement around it that isnt working.

```
$test = isdAuthorTrue( 102 );

echo $test;

if($test){

    echo "yes";

}else{

    echo "no";
}

```

i keep getting no what am i doing wrong???