Valid and invalid variable names : Variables « Language Basics « PHP

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PHP » Language Basics » Variables

Valid and invalid variable names


 

$myvar            Correct

 

$Name             Correct

 

$_Age             Correct

 

$___AGE___        Correct

 

$9                Incorrect ; starts with a number

 

$1Name            Incorrect ; starts with a number

 

$Name1            Correct; numbers are fine at the end and after the first character

 

$_Name1           Correct

 

$Name's           Incorrect; no symbols other than "_" are allowed

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6.	Calculate the variable name for simpler variables and use that name to access the value of that variable.
7.	Operating on variables
8.	valid statements
9.	Numbers
10.	Numeric Data Types

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