- filter_var_array: documentation ( source)
<?php
$format = array("phNo" => 123456789,
"email" => "abc@hotmail.com"
);
$fil = array("phNo" => FILTER_VALIDATE_INT,
"email" => FILTER_VALIDATE_EMAIL
);
$result = filter_var_array($format, $fil);
echo $result["phNo"].$result["email"];