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Case Sensitivity (PHP and Corel Paradox Cross Reference Guide)

By Mike Prestwood

PHP versus Corel Paradox: A side by side comparison between PHP and Corel Paradox.

 
Language Basics
 

Language basics is kind of a catch all for absolute beginner stuff. The items (common names) I chose for language basics is a bit random and include items like case sensitivity, commenting, declaring variables, etc.

Case Sensitivity

[Other Languages] 

Languages Focus

Case sensitiviy in this case is referring to commands and variable names. For example, are "printf" and "PrintF" equivalent? Are fullname and FullName equivalent? When you create commands, operations, methods, or variables should you worry about case?

PHP:   Yes and No

PHP is case sensitive with variable names but not with commands. Although commands are case incenstive, I prefer to use all lowercase because it's easy to type and that's what I see most PHP coders doing and I see it on PHP.Net.

Syntax Example:

All of the following are equivalent:

echo "hello<br>";
ECHO "hello<br>";
Echo "hello<br>";
eCHo "hello<br>";

...but variables are case sensitive:

$fullname = "Mike Prestwood"; //These are two...
$FullName = "Wes Peterson";   //separate varialbes.
Corel Paradox:   No

ObjectPAL is not case sensitive. My preference for ObjectPAL is to follow the camel casing promoted in the examples and help files originally developed by Borland.

Syntax Example:  

All of the following are equivalent:

msgInfo "", "Hello"
MsgInfo "", "Hello"
msginfo "", "Hello"
MSGINFO "", "Hello"

Variables are not case sensitive.

Var
FullName String
endVar
fullname="Mike Prestwood"
msgInfo("", fullNAME)












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