constant

Syntax

mixed constant ( string name )

Popis

Príkaz jazyka PHP
Returns the value of a constant

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 its name. i.e. It is stored in a variable or returned by a function.

Príklad

<?php

define("MAXSIZE", 100);

echo MAXSIZE;
echo constant("MAXSIZE"); // same thing as the previous line

?>


Pozri aj

define, defined