Mega Code Archive

 

Categories / Php / Language Basics

 

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