What will be the output of the following PHP program? <?php define("VAR_NAME","test"); ${VAR_NAME} = "value"; echo VAR_NAME; echo ${VAR_NAME}; ?>

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Question:What will be the output of the following PHP program? <?php define("VAR_NAME","test"); ${VAR_NAME} = "value"; echo VAR_NAME; echo ${VAR_NAME}; ?>

1. testtest

2.testvalue

3.error, constant value cannot be changed

4. test

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  1. What will be the output of the following PHP program? <?php define("VAR_NAME","test"); ${VAR_NAME} = "value"; echo VAR_NAME; echo ${VAR_NAME}; ?>
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