define Defines a named constant &reftitle.description; booldefine stringname mixedvalue boolcase_insensitive Defines a named constant at runtime. &reftitle.parameters; name The name of the constant. value The value of the constant; only scalar and null values are allowed. Scalar values are integer, float, string or boolean values. case_insensitive If set to &true;, the constant will be defined case-insensitive. The default behaviour is case-sensitive; i.e. CONSTANT and Constant represent different values. &reftitle.returnvalues; &return.success; &reftitle.examples; Defining Constants ]]> &reftitle.seealso; defined constant The section on Constants