<?php require_once "simple_class.php"; $simple_class1 = new SimpleClass(); $simple_class2 = new SimpleClass(); $simple_class3 = new SimpleClass(); $simple_class4 = new SimpleClass(); $simple_class5 = new SimpleClass(); echo "Simple Class called <b>5</b> times: <br />"; echo "Number of 'connections': " . SimpleClass::getTotalCalls(); echo "<br /><br />"; require_once "singleton.php"; $simple_class1 = Singleton::getInstance(); $simple_class2 = Singleton::getInstance(); $simple_class3 = Singleton::getInstance(); $simple_class4 = Singleton::getInstance(); $simple_class5 = Singleton::getInstance(); echo "<br /><br />"; echo "Singleton called <b>5</b> times: <br />"; echo "Number of 'connections': " . Singleton::getTotalCalls();