This repository demonstrates a common, yet often overlooked, error in PHP: the silent failure when accessing a non-existent array key. PHP does not throw an error ...

This repository demonstrates a subtle bug in PHP related to how it handles array keys. When you mix numeric and string keys that PHP can implicitly convert to integers, unexpected behavior can occur ...

array_key_exists() and in_array() are two most useful functions in PHP. This article demonstrate the details and differences of these function. The best way to check an index exist in array or not is ...

Hello Reader's, If you having a multidimensional array from which you only want a single key values column then this blog is helpful to you. Let consider a array with ...

I've got a bunch of $_POST values being brought over from a form. Many of these values are from checkboxes, with the form names all starting with 'field_'. These signify the columns in a chart that ...

Hi all,<BR><BR>I have a MySQL table with 4 columns that signify someone's selection for 4 options. The option values are not mutually exclusive, so someone could theoretically have the same value in ...