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What will be the output of the following PHP code?< ?phpecho $red ;?>0NothingTrueError

Question

What will be the output of the following PHP code?

&lt;?php
echo $red ;
?&gt;

Options:

  • 0
  • Nothing
  • True
  • Error
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Solution

The output of the given code will be "NothingTrueError".

Here is the step-by-step explanation:

  1. The code starts with the opening PHP tag "<?php".
  2. The "echo" statement is used to output the value of a variable or a string.
  3. The variable "$red" is being echoed, but it has not been defined or assigned any value before.
  4. When a variable is not defined or has no value assigned to it, PHP treats it as an error and displays an "Undefined variable" notice.
  5. After the error notice, the string "0NothingTrueError" is being echoed as it is.
  6. Therefore, the final output will be "NothingTrueError".

This problem has been solved

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