Question

php中&&和｜｜的用法这样用什么意思

$ckfid && $rs=$db->get_one("SELECT * FROM $table WHERE fid='$ckfid'"); $rand=time().rand(0,9999); $url && $url = urlencode("$url&{$name}="); $rs[name] || $rs[name]="请选择...";

Answer 1

a && b === if(a) { b } a || b === if(!a) { b }