php - How to check multiple variables if has values? -


how can check if has values if 1 missing echo else. try isset same, miss think.

$da1="da1"; $ba2=""; $za3="za3";  if (!empty($da1)||!empty($ba2)||!empty($za3)) {     echo $da1.$ba2.$za3; }else{     echo "one missing"; }

my output :

da1za3

use && instead ||

if (!empty($da1)  && !empty($ba2)  && !empty($za3)) {     echo $da1.$ba2.$za3; }else{     echo "one mising"; }

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