<?
$a="b3_2=929331,b4_2=351375,b5_2=488766,b2_3=588493,b2_4=417429,b2_5=763550,b3_4=1604967,b3_5=1604967,b4_3=1371043,b5_3=2179728,b4_5=0,b5_4=0";

$b=str_replace("=","=>",$a);
eval("\$t=Array($b);");
foreach($t as $tr => $val) echo "$tr = $val\n";
?>