PHP

invalid argument supplied for foreach()

<?php
if (is_array($array) || is_object($array))
{
    foreach ($array as $row)
    {
        ...
    }
}
?>

Invalid argument supplied for foreach() in C

$array = ['dog', 'cat', 'lion'];

if (!empty($array) && isset($array) && is_array($array) {
    //loop
    foreach ($array as $values) {
        echo $values; 
    }
}