code.php

<?php

$content = file_get_contents('http://www.exhibition-directory.com/expostars/index.php?'.http_build_query($_GET));
//$content = file_get_contents('http://www.exhibition-directory.com/expostars/index.php/');
$content = str_replace('</title>','</title><base href="http://www.exhibition-directory.com/expostars/" />', $content);

$content = str_replace('</head>','<link rel="stylesheet" href="http://www.informatixtech.com/expostars/wp-content/themes/hotstar-child/hotstar-child/custom.css" type="text/stylesheet" /></head>', $content);
$content = str_replace('<form name="searchForm" action="index.php" enctype="multipart/form-data"  method="get">','<form name="searchForm" action="http://www.informatixtech.com/expostars/search-page.php" enctype="multipart/form-data"  method="get">', $content);
echo $content;

?>