Index.php

<?php
require("array.php");

?>
<head>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

</head>
<script>
	function callskripta(iskalni_param){
	$.get( "./skripta.php", { iskanje: iskalni_param } )
		.done(function( data ) {

		})
		.done(function( data ) {
			document.querySelector("#imena").innerHTML = data;
		});
	}
</script>

Izberite stranko:<input type="text"  oninput="callskripta(this.value)">
<div id="imena">

	<?php

	require("krneki.php");
	?>

</div>