Variables are "containers" for storing information. Variables are represented '$' symbol in the PHP language.
A variable starts with the $ sign, followed by the name of the variable
A variable name must begin with a letter or the underscore character
A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )
A variable name should not contain spaces
Variable names are case sensitive ($y and $Y are two different variables)
The result is =11;
A variable starts with the $ sign, followed by the name of the variable
A variable name must begin with a letter or the underscore character
A variable name can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ )
A variable name should not contain spaces
Variable names are case sensitive ($y and $Y are two different variables)
The result is =11;
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