Update all new Tasks

Task/ABC-Problem/PHP/abc-problem.php

@@ -0,0 +1,29 @@
+<?php
+$words = array("A", "BARK", "BOOK", "TREAT", "COMMON", "SQUAD", "Confuse");
+
+function canMakeWord($word) {
+    $word = strtoupper($word);
+    $blocks = array(
+            "BO", "XK", "DQ", "CP", "NA",
+            "GT", "RE", "TG", "QD", "FS",
+            "JW", "HU", "VI", "AN", "OB",
+            "ER", "FS", "LY", "PC", "ZM",
+    );
+
+    foreach (str_split($word) as $char) {
+        foreach ($blocks as $k => $block) {
+            if (strpos($block, $char) !== FALSE) {
+                unset($blocks[$k]);
+                continue(2);
+            }
+        }
+        return false;
+    }
+    return true;
+}
+
+foreach ($words as $word) {
+    echo $word.': ';
+    echo canMakeWord($word) ? "True" : "False";
+    echo "\r\n";
+}