What will be the output of the following PHP code?< ?phpecho $red ;?>0NothingTrueError
Question
What will be the output of the following PHP code?
<?php
echo $red ;
?>
Options:
- 0
- Nothing
- True
- Error
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Solution
The output of the given code will be "NothingTrueError".
Here is the step-by-step explanation:
- The code starts with the opening PHP tag "<?php".
- The "echo" statement is used to output the value of a variable or a string.
- The variable "$red" is being echoed, but it has not been defined or assigned any value before.
- 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.
- After the error notice, the string "0NothingTrueError" is being echoed as it is.
- Therefore, the final output will be "NothingTrueError".
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