问从PHP数组中删除NULL、FALSE和'‘，但不能删除0

EN

array_filter($array, 'strlen');

<?php
function odd($var)
{
    // returns whether the input integer is odd
    return($var & 1);
}

function even($var)
{
    // returns whether the input integer is even
    return(!($var & 1));
}

$array1 = array("a"=>1, "b"=>2, "c"=>3, "d"=>4, "e"=>5);
$array2 = array(6, 7, 8, 9, 10, 11, 12);

echo "Odd :\n";
print_r(array_filter($array1, "odd"));
echo "Even:\n";
print_r(array_filter($array2, "even"));
?> 

$arrayValue = (NULL,FALSE,'',0,1);
$newArray = array();
foreach($arrayValue as $value) {
    if(is_int($value) || ($value>-1 && $value <1)) {
        $newArray[] = $value;
    }
}

print_r($newArray);