note 54219 added to ref.array

/* Ugly but 'good enough' method of deriving a moving average array from a source array. no type checking. not very efficient possibily very inaccurate good enough (I hope) to do moving averages for a jpgraph plot */ function moving_average($input_array,$window) { $output_array = array(); for ($i=0; $i<count($input_array); $i++) { $maverage=$window; if($i+1<$maverage) $maverage=$i+1; $output_array[$i]=array_sum(array_slice($input_array, $i-$maverage+1 , $maverage))/$maverage; } return $output_array; } // example use $input = array(1,1,1,1,5,5,5,5); $output = moving_average($input,3); print_r($output); /* which should produce something like : Array ( [0] => 1 [1] => 1 [2] => 1 [3] => 1 [4] => 2.3333333333333 [5] => 3.6666666666667 [6] => 5 [7] => 5 ) which seems reasonable */ ---- Manual Page -- http://www.php.net/manual/en/ref.array.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+54219 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+54219&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+54219&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+54219&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+54219&report=yes&reason=useless Delete: non-english -- http://master.php.net/manage/user-notes.php?action=delete+54219&report=yes&reason=non-english Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+54219&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+54219&report=yes Search -- http://master.php.net/manage/user-notes.php