Re: checking if a function exists before doing an eval

how about the function function_exists() ? it's all in the manual: http://www.php.net/manual/en/function.function-exists.php Justin French on 08/08/02 9:10 PM, Henry (henry@teacake.f9.co.uk) wrote: > Hi All, > > I'm trying to evaluate a function (but only if it exists!). > > something like (pseudo code): > > function animal_is_bear($name) > { > return $name."is a big grizzley bear"; > } > > function animal_is_goat($name) > { > return $name."is a wee mountain goat"; > } > > > $animal_type="goat"; > $animal_name="billy"; > > echo eval("return > animal_is_".$animal_type."(".$animal_name.");"); > > > $animal_type="puma"; > $animal_name="sinbad"; > > echo eval("return > animal_is_".$animal_type."(".$animal_name.");"); > > > The first eval should return "billy is a wee mountain goat"; > > But the last eval causes a problem because the function animal_is_puma does > not exist. > > How do I check if the funciton exists before I eval? > > Or am I better of having an associative array of functions? > > TIA > > Henry > > > >