/app/_posts/2009-02-04-phps-empty-in-place-of-isset.markdown
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- layout: post
- title: php's empty() in place of isset()
- category: php
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- this thing was winding me up like a bad movie last night, thanks Jesse Skinner for your article; cheered me up bigtime ;-)
- [Using PHP's empty() Instead of isset() and count()](http://www.thefutureoftheweb.com/blog/using-php-empty-instead-of-isset-count)
- more..
- isset() - Determine whether a variable is set
- unset() - Unset a given variable
- array_key_exists() - Checks if the given key or index exists in the array
- count() - Count all elements in an array, or properties in an object
- strlen() - Get string length