CDE

Task/Compound-data-type/PHP/compound-data-type-1.php

@@ -0,0 +1,10 @@
+# Using pack/unpack
+$point = pack("ii", 1, 2);
+
+$u = unpack("ix/iy", $point);
+echo $x;
+echo $y;
+
+list($x,$y) = unpack("ii", $point);
+echo $x;
+echo $y;

Task/Compound-data-type/PHP/compound-data-type-2.php

@@ -0,0 +1,8 @@
+# Using array
+$point = array('x' => 1, 'y' => 2);
+
+list($x, $y) = $point;
+echo $x, ' ', $y, "\n";
+
+# or simply:
+echo $point['x'], ' ', $point['y'], "\n";

Task/Compound-data-type/PHP/compound-data-type-3.php

@@ -0,0 +1,7 @@
+# Using class
+class Point {
+  function __construct($x, $y) { $this->x = $x; $this->y = $y; }
+  function __tostring() { return $this->x . ' ' . $this->y . "\n"; }
+}
+$point = new Point(1, 2);
+echo $point; # will call __tostring() in later releases of PHP 5.2; before that, it won't work so good.