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constant
(PHP 4 = 4.0.4)
Description
constant() will return the value of the constant indicated by name.
constant() is useful if you need to retrieve the value of a constant, but do not know it's name. i.e. It is stored in a variable or returned by a function.
瞰赽 1. constant() example
?php define ("MAXSIZE", 100); echo MAXSIZE; echo constant("MAXSIZE"); // same thing as the previous line?
See also define(), defined() and the section on Constants.
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connection_timeout
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define