HIde Mobile Number in Php

// Hide Mobile in Php ( Partially Hide Phone in PHP )

<?php

function hide_mobile_no($number)
{
    return substr($number, 0, 2) . '******' . substr($number, -2);
}

$number = 9898899165 ;

echo hide_mobile_no($number) ;

?>

/*
Output :
--------------------

98******65
*/