umm puedes usar explode:
Código PHP:
$sin_or=explode("|","|date=2009-04-23,time=12:38:34,devname=FWF60B7519755,device_id=F WF60B3907519755,......log_id=1059116020,type=app-ctrl,subtype=app-ctrl-all,pri=notice,vd=root|date=2009-04-23,time=12:38:34,devname=FWF60B7519755,device_id=F WF60B3907519755,...
...log_id=1059116020,type=app-ctrl,subtype=app-ctrl-all,pri=notice,vd=root");
foreach($sin_or as $valor)
{
$sin_coma[]=explode(",",$valor);
}
foreach($sin_coma as $valor)
{
foreach($valor as $dato)
{
echo "$dato<br />";
}
}