Re: constant() - php5

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Actually, thanks for pointing out this function to me because I never even knew that it existed. You learn something new every day.

I have to admit that a warning seems a little unusual given that an undefined variable would result in only an E_NOTICE. Especially since the default behavior for an undefined constant (anywhere except for this function) is an E_NOTICE. Seems like you may have found a bug to report.

<?php

/* Causes E_WARNING */
echo constant(UNDEFINED_CONSTANT);

/* Causes E_NOTICE */
echo UNDEFINED_CONSTANT;

?>

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