note 93445 added to control-structures.foreach

I hope other people find this useful. <?php /* --------------------------------- "Null" Array filler by Steve Mattison This script shows one way PHP can display an array, and pad it with 'nonexistant' values. This may be useful, for instance, in reducing the size of a database by storing only values that deviate from a set standard. --------------------------------- */ $arr = array(3, 5, -47); //the values. we're looking for the first two. //an arbitrary lower number must append the array. //this is so the main loop continues after the last value has been found. $arr2 = array("oranges", "pears", null); //value descriptions. foreach ($arr as $key=>$value) { //get next value that we seek. for($iterate=$last+1;$iterate<10;$iterate++){ //iterate a loop. //start at the last position+1, in case we've already looped once. //if we haven't looped yet, $last is not defined; we start at 1. $last=$iterate; //keep track of our position. echo '<br>['.$iterate.'] - '; //show it. if($iterate==$value){ //an array value has appeared. echo ($arr2[$key]); //show the deviant value. break; //break the loop and get the next value. } //end if else echo ("apples"); //otherwise show the default value. } //next $iterate //array values higher than the loop condition will be ignored. //optionally, you may wish to check for this and display them here. } //next-each $arr unset($value); //clear up the memory used by foreach //Example Result Set: //[1] - apples //[2] - apples //[3] - oranges //[4] - apples //[5] - pears //[6] - apples //[7] - apples //[8] - apples //[9] - apples ?> ---- Server IP: 208.69.120.35 Probable Submitter: 24.20.145.95 ---- Manual Page -- http://www.php.net/manual/en/control-structures.foreach.php Edit -- https://master.php.net/note/edit/93445 Del: integrated -- https://master.php.net/note/delete/93445/integrated Del: useless -- https://master.php.net/note/delete/93445/useless Del: bad code -- https://master.php.net/note/delete/93445/bad+code Del: spam -- https://master.php.net/note/delete/93445/spam Del: non-english -- https://master.php.net/note/delete/93445/non-english Del: in docs -- https://master.php.net/note/delete/93445/in+docs Del: other reasons-- https://master.php.net/note/delete/93445 Reject -- https://master.php.net/note/reject/93445 Search -- https://master.php.net/manage/user-notes.php