<?php
echo "<h3>a++</h3>";
$a = 5;
echo "應該是 5: ".$a++."<br />\n";
echo "應該是 6: ".$a."<br />\n";
echo "<h3>++a</h3>";
$a = 5;
echo "應該是 6: ".++$a."<br />\n";
echo "應該是 6: ".$a."<br />\n";
echo "<h3>a--</h3>";
$a = 5;
echo "應該是 5: ".$a--."<br />\n";
echo "應該是 4: ".$a."<br />\n";
echo "<h3>--a</h3>";
$a = 5;
echo "應該是 4: ".--$a."<br />\n";
echo "應該是 4: ".$a."<br />\n";
?>
