Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

PHPÀàµÄ¾«Ëõ¹éÄÉ

Ò»£º½á¹¹ºÍµ÷ÓÃ(ʵÀý»¯)£º
class className{} £¬µ÷Óãº$obj = new className();µ±ÀàÓй¹Ô캯Êýʱ£¬»¹Ó¦´«Èë²ÎÊý¡£Èç$obj = new className($v,$v2...);
¶þ£º¹¹Ô캯ÊýºÍÎö¹¹º¯Êý£º
1¡¢¹¹Ô캯ÊýÓÃÓÚ³õʼ»¯£ºÊ¹ÓÃ__construct()£¬¿É´ø²ÎÊý¡£
2¡¢µ«Îö¹¹º¯Êý²»ÄÜ´ø²ÎÊý£¨ÓÃÓÚÔÚÏúÈ¥Ò»¸öÀà֮ǰִÐÐһЩ²Ù×÷»ò¹¦ÄÜ£©¡£Îö¹¹º¯ÊýÓÃ__destruct()×öÃû³Æ¡£Ôڽű¾Ö´ÐнáÊøʱ£¬PHP»áÏúµôÄÚ´æÖеĶÔÏó£¬Òò´Ë¿É²»ÓÃÎöÔ캯Êý£¬µ«ÓÐЩ±ÈÈçCOOKIEµÈ£¬¾ÍÓ¦µ±ÒªÓô˺¯ÊýÏúµô¡£
֪ʶµã£ºÔÚPHP4ÖÐÒ²ÌṩÁ˹¹Ô캯Êý£¬µ«Ê¹ÓõÄÊÇÓëÀàͬÃûµÄÀà·½·¨£¬ÔÚPHP5ÈÔÄܼæÈÝÕâÖÖ×ö·¨£¬µ±Ò»¸öÀàÖÐûÓаüº¬__constructʱ£¬»á²éÕÒÓëÀàͬÃûµÄ·½·¨£¬Èç¹ûÕÒµ½£¬¾ÍÈÏΪÊǹ¹Ô캯Êý£¬ÈçÏ£º
class test
{ var $b;
function test() {   $this->b=5; }
function addab($c) {   return $this->b+$c; }
}
$a = new test();   echo $a->addab(4); // ·µ»Ø 9
3¡¢PHP²»»á×Ô¶¯µ÷Óø¸ÀàµÄ¹¹Ô캯Êý(²»Ö§³Ö¹¹Ô캯ÊýÖØÔØ)£¬±ØÐëʹÓÃparent¹Ø¼ü×ÖÏÔʽµØµ÷Óá£
class employee{
      function __construct()....
}
class Manager extents Employee{
     function __construct(){
          parent::_construct();
          echo 'Õâ¸ö×ÓÀàµÄ¸¸À๹Ô캯Êýµ÷ÓÃÁË£¡';
     }
}
µ±È»Ò²¿ÉÒÔµ÷ÓÃÓë¸ÃʵÀýûÓÐÈκιØϵµÄÆäËüÀàµÄ¹¹Ô캯Êý¡£Ö»ÐèÔÚ__construct()Ç°¼ÓÉÏÀàÃû¼´¿É¡£È磺
otherClassName::__construct();
ÀàµÄÖ÷¼ÒÍ¥³ÉÔ±£ºÊôÐÔ¡¢·½·¨¡¢³£Á¿¡¢¾²Ì¬³ÉÔ±
Èý¡¢ÀàµÄÊôÐÔ£º
ÓÐÁ½ÖÖ·½·¨¶ÔÀàµÄÊôÐÔ¸³Öµ»òÈ¡Öµ¡£
1¡¢Ê¹Óù«¹²×÷ÓÃÓòpublic¹Ø¼ü´Ê¡£
2¡¢Ê¹ÓÃ__set()ºÍ__get()À´·Ö±ð¸³ÖµºÍÈ¡Öµ£¬Ç°Õß³ÆΪÉèÖ÷½·¨£¨setter£©»òÐ޸ķ½·¨(mutator)£¬ºóÕß³ÆΪ·ÃÎÊ·½·¨(accessor)»ò»ñÈ¡·½·¨(getter)¡£½¨ÒéʹÓÃÕâÖÖ·½·¨£ºÓŵ㣺
A¡¢¿ÉÔÚ__set£¨£©Í³Ò»½øÐÐÊý¾ÝÑéÖ¤¡£
B¡¢±ãÓÚͳһ¹ÜÀíÊôÐÔ¡£
×¢Ò⣺
µÚÒ»£º__set()ºÍ__get()Ö»¶Ô˽ÓÐÊôÐÔÆð×÷Ó㬶ÔÓÚÓÃpublic¶¨ÒåµÄÊôÐÔ£¬ËüÃÇÁ½¸ö¶¼ÀÁÀí´îÀí£¬ÈçÏ£º
class test{
protected $a=9,$b=2,$c;
   public $d;
    function __set($n,$v) {    $this->$n = $v+2; }
    functio


Ïà¹ØÎĵµ£º

linuxÏÂ php5.3.2 µ÷ÓÃ so

php ͨÓõĵ÷Óà soµÄ·½·¨ÊÇʹÓÃdl()º¯Êý£¬µ«ÊÇÔÚphp5.3Ö®ºó²»ÔÙÖ§³ÖÕâÖÖ·½·¨£¬½öÖ§³Ö¾²Ì¬µ÷Óã¬Ê¹ÓÃdl() ¶¯Ì¬µ÷Óõķ½·¨¼û£º
   ÒýÓÃÒ³1:   http://tech.idv2.com/2007/07/06/use-local-so-in-php/
¸Ðлԭ×÷ÕßÌṩµÄÇåÎúÃ÷Á˵ķ½·¨£¬µ«ÊÇÎÒÔÚ5.3.1°æ±¾iÖÐûÓÐͨ¹ý£¬ÓÚÊÇÎÒÕÒµ½ÁËÒ³Ã棺
    ......

ʵÏÖÖ§³ÖpostºÍgetµÄPHPº¯Êý

function getsock($strUrl,$arrParameter=array(),$strMethod="POST"){
 if(!$strUrl||!$strMethod){ return "";}
 $strMethod = strtoupper($strMethod);
 $arrUrl = parse_url($strUrl);
 if($arrUrl["port"]==0){$arrUrl["port"]=80;}
 $fso = fsockopen($arrUrl["host"],$arrUrl["port"] ......

php³ÌÐòÔ±ÃæÊÔÌ⣨һ£©


1. ÓÃPHP´òÓ¡³öÇ°Ò»ÌìµÄʱ¼ä£¬´òÓ¡¸ñʽÊÇ2007Äê5ÔÂ10ÈÕ 22:21:21
2. PHP´úÂëÈçÏ£º
$a="hello"; 
$b=&$a;
unset($b);
$b="world"; 
echo $a;
Æä½á¹ûÊÇ£¿
3. PHP´úÂëÈçÏ£º
$str="cd"; 
  $$str="landog";  
$$str.="ok";
echo $cd;
Æ ......

ÓÃphp¶ÁÈ¡xmlÊý¾Ý


½ñÌ칤×÷ÉÏÅöµ½Ò»¸öÎÊÌâ ÓÉÓÚÎÒÃǵÄÏîÄ¿Êý¾ÝÌ«ÉÙ ËùÒÔÐèÒª´Óweb searchÄDZ߽èµ÷Êý¾Ý£¬ËûÃÇÖ»¸øÎÒÃÇÌṩÁËÒ»¸öxmlµÄ½Ó¿Ú¡£Òò´Ë£¬ÎÒÃÇÐèÒª°ÑxmlµÄÊý¾Ýת»¯³Éhtml³ÊÏÖ¸ø´ó¼Ò¡£ÓÉÓÚÏîÄ¿ÊÇ»ùÓÚphpµÄ£¬ËùÒÔ¾ÍÞðÆúÁËÓÃjsÀ´¶ÁÈ¡xmlÑ¡ÔñÁ˼ÌÐøʹÓÃphp¡£²»¹ý£¬ÎÒÒÔÇ°´ÓÀ´Ã»ÓÐ×ö¹ý´ËÀàµÄ³¢ÊÔ ËùÒÔÕÒÁ˺ܶàÍøÉÏ×ÊÁÏͬʱ²ÎÕÕÁËphpµÄ¹¤× ......

ÖÆ×÷PHP°²×°³ÌÐòµÄÔ­ÀíºÍ²½Öèѧϰ±Ê¼Ç

Ò»¡¢
1.¼ì²éĿ¼»òÎļþµÄȨÏÞ
2.Ð޸ĻòÌí¼ÓÅäÖÃÎļþ
3.¼ì²éÅäÖÃÎļþµÄÕýÈ·ÐÔ
4.µ¼ÈëÊý¾Ý¿â
5.Ëø¶¨»òɾ³ý°²×°Îļþ
Ô­Àí£º
Æäʵphp³ÌÐòµÄ°²×°Ô­Àí¾ÍÊǽ«Êý¾Ý¿â½á¹¹ÄÚÈݵ¼Èëµ½ÏàÓ¦µÄÊý¾Ý¿âÖУ¬´ÓÕâ¸ö¹ý³ÌÖÐÖØзÖÅäÁ¬½ÓÊý¾Ý¿âµÄ²ÎÊýºÍÎļþ£¬ÎªÁ˱£Ö¤²»±»±ðÈ˶ñÒâÓð²×°Îļþ£¬µ±°²×°Íê³ÉºóÐèÒªÐ޸ݲװÎļþ¡£
¶þ¡¢ÖÆ×÷° ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ