Actually I would think it comes out to the same number of if's but in a more readable format where you can see immediately which elements had to be true to force that query, either way I would recommend building the query on the fly if that is at all possible. Either way this is 25 lines instead of 70ish.
if ($1 && $2 && $3) { #a }
if ($1 && $2) { #b }
if ($1 && $3) { #c }
versus
if ($1) {
if ($2) {
if ($3) {
#a
} else {
#b
}
} elsif ($3) {
#c
}
}
I got a little bored and tried it out. Unless i screwed something up I think you are messing several combinations.
if ($name && $vorname && $plz && $tel && $tel49) { $qry = ""}
elsif ($name && $vorname && $plz && $tel) { $qry = ""}
elsif ($vorname && $plz && $tel && $tel49) { $qry = ""}
elsif ($name && $plz && $tel && $tel49) { $qry = ""}
elsif ($name && $vorname && $plz) { $qry = ""}
elsif ($name && $plz && $tel) { $qry = ""}
elsif ($name && $tel && $tel49) { $qry = ""}
elsif ($vorname && $plz && $tel) { $qry = ""}
elsif ($plz && $tel && $tel49) { $qry = ""}
elsif ($name && $vorname) { $qry = ""}
elsif ($name && $plz) { $qry = ""}
elsif ($name && $tel) { $qry = ""}
elsif ($name && $tel49) { $qry = ""}
elsif ($vorname && $plz) { $qry = ""}
elsif ($plz && $tel) { $qry = ""}
elsif ($tel && $tel49) { $qry = ""}
elsif ($plz) { $qry = ""}
elsif ($name) { $qry = ""}
elsif ($tel) { $qry = ""}
elsif ($tel49) { $qry = ""}
elsif ($vorname) { $qry = ""}
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