PHP Training for Beginners - Creating and using variables in PHP code
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In this PHP tutorial for beginners, we go over creating and using variables in PHP. We show how to define and then assign a php variable. Here are the vital points:
-A PHP variable starts with the $ sign, followed by the name of the variable
-PHP variable name must start with a letter or the underscore character and not a number
-A PHP code variable name can only contain alpha-numeric characters and underscores
-Variable in PHP names are case-sensitive ($age and $AGE are two different variables)
You can use either this $_ or $firstname. Camel casing is a good option to use. We can try single quote vs double quotes, end with semi colon
Variable in PHP can have the scope:
-local
-global
-static
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