introduction to web programming Finding the length of a scalar variable with the length function Finding the length of a scalar variable is incredibly easy using the length function. The syntax of length is as follows:

     length ([$variable_name]);

Thus, if the scalar variable $name equals "Selena", then the scalar variable $length_of_name will be assigned the value of six in the following line:

     $length_of_name = length ($name);

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