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Cached function calling
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| /** | |
| * call_user_func_array_cached | |
| * | |
| * @param function, variable args | |
| * @return object | |
| */ | |
| function call_user_func_array_cached( $function, $param_arr ) | |
| { | |
| // ---------------------------------------------------------- | |
| // Cached version of call_user_func_array, use only for TRUE | |
| // function, i.e. function whose result only depend on args | |
| // ---------------------------------------------------------- | |
| if ( is_array( $function ) ) | |
| { | |
| if ( is_object( $function[0] ) ) | |
| { | |
| $mangled_name = 'obj'. get_class( $function[0] ) . | |
| $function[1] . serialize( $param_arr ); | |
| } | |
| else | |
| { | |
| $mangled_name = $function[0] . $function[1] . | |
| serialize( $param_arr ); | |
| } | |
| } | |
| else | |
| { | |
| $mangled_name = $function . serialize( $param_arr ); | |
| } | |
| $cache_key = md5( __CLASS__ . $mangled_name ); | |
| // ------------------------------------------------------------------ | |
| // Mangle function signature and try to get from cache | |
| // ------------------------------------------------------------------ | |
| $result = $this->get( $cache_key ); | |
| if ( empty( $result) ) | |
| { | |
| // ------------------------------------------------------------------ | |
| // If not, call the function and get the result, we can only | |
| // cachify methods of subclasses of this class | |
| // ------------------------------------------------------------------ | |
| $result = call_user_func_array( $function, $param_arr ); | |
| // ------------------------------------------------------------------ | |
| // Store the result in the cache for next time | |
| // ------------------------------------------------------------------ | |
| $this->save( $cache_key, $result ); | |
| } | |
| return $result; | |
| } |
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Put this in /system/libraries/Cache/Cached.php