is null php
// The is_null() function checks whether a variable is NULL or not. This function returns true (1) if the variable is NULL, otherwise it returns false/nothing.
<?php
$var = NULL;
if (is_null($var)) {
echo "yes, is null";
} else {
echo "not null";
}
?>php check for null
is_null($foo)php check for empty string
if (empty($var)) {
echo '$var is either 0, empty, or not set at all';
}Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
