alt

<?php
$linkArray = array(
		'http://google.com/',
		'https://google.com'
	);
$strings = '';
foreach($linkArray as $link) {
	$strings .= $link.' ';
}
$article = "hello ".$strings." everyone" ;
$parts = explode(" ", $article);
$randomamount = count($parts);
$hit = rand(0, $randomamount);
$temp = $parts[$hit];
if(stristr($temp, "http:") or stristr($temp, "https:")) {
	foreach($linkArray as $link) {
		if(stristr($temp, $link)) {
			$temp = str_replace($link, "<a href='".$link."'>".$link."</a>", $temp);
		}
	}
}
if(isset($_SESSION['last'])) {
    // already seen?ok
    if($hit == 0) {
        $hit=$hit+1;
    } else {
        $hit=$hit-1;
    }
}
$_SESSION['last']=$hit;
echo $temp;
?>