PHP no nos

[corbin]

I started a tutorial/blog-ish type thing about common programming blunders that people new to programming make.  Never finished it though x.x.

[JonnoTheDev]

What bad practises/mistakes/misconceptions do you see time and time again - in regards to PHP?

My personal favourite is a lack of standards in a script. I see code that is a complete mish-mash of the following:

$VAR1 = "foo";
$myName = "Joe";
$my_surname = "Bloggs";
$NAME = $myName." ".$my_surname;

function printMyName($name) {

}

function save_my_name($name) {

}

[roopurt18]

[quote]My personal favourite is a lack of standards in a script. I see code that is a complete mish-mash of the following:

 

Well, to be fair a programmer's style changes over time.  If a project is long-lived, then there is a good chance the programmer may make stylistic changes over the course of it.  If the project is financially backed and not just a past-time or pet-project, then there is no budget (time or money) to bother with frivolous modifications such as the case of variables.