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 1---
 2layout: post
 3title: php's empty() in place of isset()
 4category: php
 5---
 6
 7this thing was winding me up like a bad movie last night, thanks Jesse Skinner for your article; cheered me up bigtime ;-)
 8
 9[Using PHP's empty() Instead of isset() and count()](http://www.thefutureoftheweb.com/blog/using-php-empty-instead-of-isset-count)
10
11more..
12
13    isset() - Determine whether a variable is set
14    unset() - Unset a given variable
15    array_key_exists() - Checks if the given key or index exists in the array
16    count() - Count all elements in an array, or properties in an object
17    strlen() - Get string length