I need filter out duplicate rows in my 2d array and in the retained unique rows append an element that contains the count of how many times the unique row existed in the original array. I wanted to use array_unique($array,…
I have two arrays, one with the original data, and another one that contains the same entries but in a new order. How can I sort the original array so that only items nominated in the new order array are…
I have some data in mongoDB and i want to group and sum it in object key - value: { '_id': '1', 'value': { A: 1, B: 2, C: 3 } }, { '_id': '2', 'value': { B: 2, C:…
I have the following code: $check = array('person a','person c'); $data = array('person c','person a','person d','person e'); define('check',$check); //asort($data); print'<pre>';print_r($data);print'</pre>'; usort($data,function($a,$b){ return empty(check[$a]) ? 1 : $a <=> $b; }); print'<pre>';print_r($data);print'</pre>'; exit; What I am trying to achieve is: person…
We have a PostgreSQL table with jsonb column. Some of the nodes in the json can come in as array or object in the input. I am trying to write a query that will give me the array length, if…
$test = [ 0 => [ 'type' => 'separator', 'data' => 'separator1' ], 1 => [ 'type' => 'image', 'data' => 'image1url' ], 3 => [ 'type' => 'separator', 'data' => 'separator2' ], 4 => [ 'type' => 'video', 'data'…
I want to populate a result array containing values randomly drawn from an input array, but the result array must not have two identical consecutive values. Additional rules: The input array of values will contain only unique values and will…
I have 2 flat arrays which are Leaders and Members. These arrays are populated while incrementing ids. I would like to associate one leader id with a sequence of consecutive ids in the members array. If there are too many…
Here is the function: void printArray(const char arr[][3], int rows, int cols) { // rows == 3 && cols == 3 is currently a placeholder. I have to confirm whether these are // actually correct. if (rows == 3 &&…
I am trying to add a product to a shopping cart in mongodb but the code I have written does not work. It was previously working but when I switched from local mongodb to mongodb atlas cloud and then back…