Tips.PHP: Removing empty strings, NULL, FALSE, and negative numbers from Array

Posted by Luracast on Sep 14, 2011 in Blog, PHP, Tips | 4 comments

Often we need to remove empty elements from our array. For example when we split a string with space, we can get the words and also blank strings when there are two or more spaces put together. We can use array_filter function for rescue. When we call array_filter with out passing the filter function it removes all values that evaluate to...