How to check whether a string variable is empty or null in PHP?
php check for empty string
if (empty($var)) {
echo '$var is either 0, empty, or not set at all';
}php check if string is empty
function strictEmpty($var) {
// Delete this line if you want space(s) to count as not empty
$var = trim($var);
if(isset($var) === true && $var === '') {
// It's empty
}
else {
// It's not empty
}
}