PHP»ù±¾Óï·¨£¨ËÄ£©—— switchÓï¾ä
switch Óï¾ä
Èç¹ûÄúÏ£ÍûÓÐÑ¡ÔñµØÖ´ÐÐÈô¸É´úÂë¿éÖ®Ò»£¬ÇëʹÓà Switch Óï¾ä¡£Ê¹Óà Switch Óï¾ä¿ÉÒÔ±ÜÃâÈß³¤µÄ if..elseif..else ´úÂë¿é¡£
Óï·¨
switch (expression)
{
case label1:
code to be executed if expression = label1;
break;
case label2:
code to be executed if expression = label2;
break;
default:
code to be executed
if expression is different
from both label1 and label2;
}
ʵÀý
¹¤×÷ÔÀí£º
1 ¶Ô±í´ïʽ£¨Í¨³£ÊDZäÁ¿£©½øÐÐÒ»´Î¼ÆËã
2 °Ñ±í´ïʽµÄÖµÓë½á¹¹ÖÐ case µÄÖµ½øÐбȽÏ
3 Èç¹û´æÔÚÆ¥Å䣬ÔòÖ´ÐÐÓë case ¹ØÁªµÄ´úÂë
4 ´úÂëÖ´Ðкó£¬break Óï¾ä×èÖ¹´úÂëÌøÈëÏÂÒ»¸ö case ÖмÌÐøÖ´ÐÐ
5 Èç¹ûûÓÐ case ÎªÕæ£¬ÔòʹÓà default Óï¾ä
<?php
switch ($x)
{
case 1:
echo "Number 1";
break;
case 2:
echo "Number 2";
break;
case 3:
echo "Number 3";
break;
default:
echo "No number between 1 and 3";
}
?>
</body>
</html>
Ïà¹ØÎĵµ£º
http://blog.s135.com/read.php/142.htm
¡¡¡¡×î½üÔÚдPHP³ÌÐòʱ£¬ÐèҪʹä¯ÀÀÆ÷ÔÚhttpsºÍhttpÖ®¼äת»¯£¬ÉÏÍøËÑË÷Ïà¹ØÐÅÏ¢£¬ÎÞÄÎÖ»ÓÐ×î½üÔÚдPHP³ÌÐòʱ£¬ÐèҪʹä¯ÀÀÆ÷ÔÚhttpsºÍhttpÖ®¼äת»¯£¬ÉÏÍøËÑË÷Ïà¹ØÐÅÏ¢£¬ÎÞÄÎÖ»ÓÐһƪ½éÉÜÓÃASPʵÏÖ“ÔÚhttpºÍhttpsÖ®¼äת»¯”µÄÎÄÕ£¬ÓÚÊÇÖ»ºÃÐÐдÁËÓÃPHPʵÏÖhttpÓëhttpsת» ......
<?php
/**
* »ñȡͼÏóÐÅÏ¢µÄº¯Êý
*
* Ò»¸öÈ«Ãæ»ñȡͼÏóÐÅÏ¢µÄº¯Êý
*
* @access public
* @param string $img ͼƬ·¾¶
* @return array
*/
function GetImageInfoVal($ImageInfo,$val_arr) {
$InfoVal = "δ֪";
foreach($val_arr as $name=>$val) {
  ......
3¡¢PHP°²×°
1£©»¹ÊÇÏÂÔØÔ´Âë°ü£¬È磺php-5.1.1.tar.gz£¬ÏÂÔØµØÖ·£ºhttp://www.php.net
2£©½âѹËõ£¬>tar -zxvf php-5.1.1.tar.gz
3£©½øÈëphp-5.1.1£¬>cd php-5.1.1
4£©°²×°ÅäÖã¬>./configure --prefix=/opt/php
--with-apxs2=/opt/apache/bin/apxs --with-mysql=/opt/mysql
--with-mysqli=/opt/mysql/bin/ ......
1)
°²×°Apache/2.2.14 ºÍ PHP/5.2.12 Ö®ºó£¬ÖØÐÂÆô¶¯Apache£¬Æô¶¯Ê§°Ü¡£²éÁËһЩ×ÊÁÏ£¬»ù±¾Éϸø³öµÄ½¨ÒéÊǽûµôExtension¡£ÎÒ¾Í×°ÁËÒ»¸öExtesion Mysqli¡£
ÐÞ¸Äphp.ini ×¢Ê͵ôÕâÒ»ÐУ¬¹ûÈ»ÉúЧ¡£
[PHP_MYSQLI]
;extension=php_mysqli.dll
°²×°Íêmysql£¬ÔÙÖØÐÂenableÕâ¸öÅäÖþͺÃÁË£¬¹À¼ÆÊÇÒÀÀµÄ³Ð©mysqlµÄ¿â¡£
......