Learn how to check if a variable is set in PHP, what its values are, and the differences between the isset, is_null, and empty methods.
Continue reading
Quick Tip: How To Check if a Variable Is Set in PHP
on SitePoint.
Learn how to check if a variable is set in PHP, what its values are, and the differences between the isset, is_null, and empty methods.
Continue reading
Quick Tip: How To Check if a Variable Is Set in PHP
on SitePoint.