Just a quick post for now. Do you know how PHP’s symbol table works? To put it in nutshell, symbols are stored in one place and values (also called ZVals) are stored in another. Normally, this abstraction will mean nothing to you, but take the following sample code: $foo = &$bar; $bar = &$foo;$foo = […]

Just a quick update for a mild PHP Quirk/annoyance I have noticed recently while doing some manipulation of strings by character offset. Say you have a string, such as ‘abcde’; Now, suppose you want to check the value of the third character (at index 2). You might have done something like this: $str = ‘abcde’; […]