Multiple choice technology web technology

When defining identifier in PHP you should remember that

  1. Identifier are case sensitive. So $result is different than $ result

  2. Identifiers can be any length

  3. Both of above

  4. None of above
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C Correct answer
Explanation

PHP identifiers (variables) are case-sensitive (e.g., \$result is different from \$Result), and they can be of any length. Thus, both statements are correct.

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