網頁文章 javax.portlet.title.56

  <?

for ( $a = 1; $a <= 100 ; $a++ ) {   
      $s1+=$a;
    if ($a%2 == 0)
   $s2+=$a;
elseif ($a%2 != 0)
   $s3+=$a;
}
echo "一到一百的總和 =   $s1 <BR>";
echo "一到一百的偶數和 = $s2 <BR>";
echo "一到一百的奇數和 = $s3 <BR>";
?>
 
網頁文章 javax.portlet.title.56

 <?

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";
?> 
 
網頁文章 javax.portlet.title.56

 <?php

$a=10;
$b=5.2;
 
echo "a=$a<br>";
echo "b=$b<br>";
echo "a+b=". ($a+$b);
 
?>
網頁文章 javax.portlet.title.56

 <?php

 
phpinfo();
 
?>