PHP Tutorial : The Variables

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              II - B - The Variables
$ before a string means that we are talking about a variable, it is called as you want then, but never focus or space in a variable name.

A variable is typed: it may take 4 types (in order below):

The types of variables :

1. string
2. integer (whole number)
3. bool (Boolean binary logic means such true or false)
4. float (real number)

Study well every detail:

• All instructions (all) end with a semicolon (;).
• Only the variable string requires quotes (single or double quotes prefer for the moment, we will see why later) ...
• The boolean is true, but without quotation marks, it has the opposite ... false.
• The actual number is a point in Anglo-Saxon and not a comma ...

Feel free to customize these examples and the grind by changing the data to assimilate.

See You