php code to check if variable is null
if(empty($var1)){
echo 'This line is printed, because the $var1 is empty.';
}php code to check if variable is null
if(empty($var1)){
echo 'This line is printed, because the $var1 is empty.';
}php check for empty string
if (empty($var)) {
echo '$var is either 0, empty, or not set at all';
}php check if specific input empty
/*
=============Input Type File=============
*/
$is_uploading = $_FILES["inputfilename"]["error"];
/*
the variable $is_uploading has value either 0 or 4
0 => the user is uploading specific files or images
4 => user is not uploading anything
*/
$can_pass = $is_uploading == 0 ? true : false;
if($can_pass){
echo "You can Pass";
}
else{
echo "Please upload. Your request has empty files.";
}Copyright © 2021 Codeinu
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