Update all new Tasks

Task/CSV-data-manipulation/PHP/csv-data-manipulation.php

@@ -0,0 +1,36 @@
+<?php
+
+// fputcsv() requires at least PHP 5.1.0
+// file "data_in.csv" holds input data
+// the result is saved in "data_out.csv"
+// this version has no error-checking
+
+$handle = fopen('data_in.csv','r');
+$handle_output = fopen('data_out.csv','w');
+$row = 0;
+$arr = array();
+
+while ($line = fgetcsv($handle))
+{
+    $arr[] = $line;
+}
+
+//change some data to zeroes
+$arr[1][0] = 0; // 1,5,9,13,17 => 0,5,9,13,17
+$arr[2][1] = 0; // 2,6,10,14,18 => 2,0,10,14,18
+
+//add sum and write file
+foreach ($arr as $line)
+{
+    if ($row==0)
+    {
+        array_push($line,"SUM");
+    }
+    else
+    {
+        array_push($line,array_sum($line));
+    }
+    fputcsv($handle_output, $line);
+    $row++;
+}
+?>