function publiContenido($content){
$poses = array();
$lastpos = -1;
$repchar = "<p";
if(strpos($content, "<p") === false)
$repchar = "<br";
while(strpos($content, $repchar, $lastpos+1) !== false){
$lastpos = strpos($content, $repchar, $lastpos+1);
$poses[] = $lastpos;
}
$half = sizeof($poses);
$adsperpost = $ai_adsused+1;
if(!is_single())
$half = sizeof($poses)/2;
while(sizeof($poses) > $half)
array_pop($poses);
$pickme = 0;
while($pickme==0){
$pickme = $poses[rand(0, sizeof($poses)-1)];
}
$replacewith = '<center>CODEADSENSE</center>';
$content = substr_replace($content, $replacewith.$repchar, $pickme, 2);
return $content;
}
add_filter("the_content", "publiContenido");