is not null in php code example
Example 1: php check for null
is_null($foo)
Example 2: php null
<?php
$var = NULL;
?>
Example 3: null condition in php
is_null (var_name)
Example 4: is null php
is_null($var)
is_null($foo)
<?php
$var = NULL;
?>
is_null (var_name)
is_null($var)