- print_r: documentation ( source)
- array_filter: documentation ( source)
<?php
$original = array('foo', null, 'bar', false, 5);
$data = $original;
foreach ($data as $key => $value) {
if ($value === null) {
unset($data[$key]);
}
}
print_r($data);
$data = $original;
$data = array_filter($data, function ($value) {
return $value === null;
});
print_r($data);