dev-fixes (#14)

Closes #9

_incl_data/class/Insallah/Core/Math.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace Insallah;
+
+/** All raw mathematics in one place. */
+class Math
+{
+    public static function getPercentage($total, $number)
+    {
+        return $total > 0 ? round(($number * 100) / $total, 2) : 0;
+    }
+
+
+    public static function get100Percentage($total, $number)
+    {
+        return min(self::getPercentage($total, $number), 100);
+    }
+
+    /** Number-20% and Number+20% */
+    public static function get20PercentRange($number)
+    {
+        return [
+            'min' => $number * ((100 - 20) / 100),
+            'max' => $number * ((100 + 20) / 100)
+        ];
+    }
+}

_incl_data/class/Insallah/Core/Table.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Insallah;
+
+class Table
+{
+    public static function get($rows, $class = '', $fill = false)
+    {
+        $c = '';
+        $max_rows = sizeof(max($rows));
+
+
+        foreach ($rows as $row) {
+            if ($fill && sizeof($row) < $max_rows) {
+                $row = array_merge($row, array_fill(0, $max_rows - sizeof($row), ''));
+            }
+            $c .= '<tr><td>' . implode('</td><td>', $row) . '</td></tr>';
+        }
+
+        return (!empty($class) ? "<table class='$class'>" : '<table>') . $c . '</table>' . PHP_EOL;
+    }
+}