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 ×îÐÂÎÄÕ : php

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Q: "ΪʲôҪµ÷ÊÔ?"
A: µ±È»ÊÇÒòΪ³ÌÐò´íÀ². ÄãÒÔΪÎÒÓÐʲô±ðµÄ´ð°¸?
Q: "¿ÉÊÇÎÒ¾õµÃÎҵijÌÐòÓ¦¸Ãû´í°¡!"
A: ²»ÄܳöÀ´ÆÚÍûµÄ½á¹û µ±È»ÊÇ´íÎó·¢Éú. ÓÐÕâÖÖ˼ÏëµÄÈËÊǸù±¾²»¾ß±¸µ÷ÊÔ¹ÛÄî ¸üûÓе÷ÊÔÄÜÁ¦.
Q: Äǵ÷ÊÔÓÐʲôÓÃ?
A: ²»¹ÜÊÇÄãÅäÖõÄphp³ö´í »¹ÊÇÄãµÄ³ÌÐòд´í »¹ÊÇÄãдµÄÕýÈ·µÄ³ÌÐò¸ú±ðÈËÅäÖõÄphp(±ÈÈçÃâ·Ñ¿Õ¼ä)·¸³å, ѧ»áµ÷ÊÔ¶¼ÄÜÕÒ³öÔ­ÒòÀ´
Q: Âß¼­ÂÒÁËÄܵ÷ÊÔºÃô?
A: »òÐíÄãż¶û¸ÄÀ´¸ÄÈ¥¸ÄºÃÁË ÒÔΪÊǵ÷ÊÔºÃÁË ÆäʵÄÇÒѾ­²»Êǵ¥´¿µÄµ÷ÊÔ, ¶øÊÇ·´¸´µÄÓóÌÐò´úÂë½øÐÐ˼¿¼, ²¢ÇÒ·´¸´µÄ¸Ä´úÂëÀ´"ʵ¼ù"ij¸öideaÊÇ·ñ¿ÉÐÐ.
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PHP¹¹Ô캯Êý

 class A extends father{
    function __construct() {
        echo "abstract<br>";
            parent::base();     //¸¸Àà·½·¨
            $s=$this->stu;    //Ö¸Ïò¸¸ÀàÊôÐÔ
        }
    function A(){}
   function B(){
     $this->A();    //Ö¸Ïò±¾ÀàA·½·¨
}
} ......

PHP·¾¶ÎÊÌâ

<?
php define('__TYPECHO_ROOT_DIR__', dirname(__FILE__));
define('__TYPECHO_PLUGIN_DIR__', '/usr/plugins');
@set_include_path(get_include_path() . PATH_SEPARATOR . __TYPECHO_ROOT_DIR__ . '/var' . PATH_SEPARATOR . __TYPECHO_ROOT_DIR__ . __TYPECHO_PLUGIN_DIR__);
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Ê×ÏÈ ÎÒÃÇÀ´¿´Õâ¸öÈ«¾Ö±äÁ¿£º__FILE__ Ëü±íʾÎļþµÄÍêÕû·¾¶£¨µ±È»°üÀ¨ÎļþÃûÔÚÄÚ£© Ò²¾ÍÊÇ˵Ëü¸ù¾ÝÄãÎļþËùÔÚµÄĿ¼²»Í¬£¬ÓÐ×Ų»Í¬µÄÖµ£»µ±È»£¬µ±ËüÓÃÔÚ°üÐÐÎļþÖеÄʱºò£¬ËüµÄÖµÊǰüº¬µÄ·¾¶£»
È»ºó£º ÎÒÃÇ¿´Õâ¸öº¯Êý£º string dirname ( string path ) ËüÊÇPHPÄÚÖú¯Êý£¬ËüµÄ×÷ÓÃÊÇÊ²Ã´ÄØ£¬¾ÍÊÇ·µ»Ø³ýÁ˱¾ÎļþÃûÒÔÍâµÄËùÔÚĿ¼£¬¸øÄã¾Ù¸öÀý×Ó ¼ÙÈçÄãµÄÊ×Ò³ÖÐÓõ½ÁË_FILE_Õâ¸ö±äÁ¿£º £¨¼ÙÉèÄãµÄÍøÒ³ËùÔÚĿ¼Ϊ£ºhttp://lo ......

PHP ²Ù×÷Access (ÕýÈ·)

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<?php
class Access{
    function getConn(){
        $conn = @new COM("ADODB.Connection") or die ("ADOÁ¬½Óʧ°Ü!");
        $connstr = "DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=" . realpath(__IMPL__."/db2.mdb");
        $conn->Open($connstr);
        return $conn;
    }
}
?>
²Ù×÷£º
        д£º
        $sql="insert into stu (name) values ('$name')";
        $rs = $conn->Execute($sql);
       ¶Á£º
        $rs=$conn->Execute('select * from stu');
  while(!$rs->EOF){
            $id=$rs->fields['id']->value;
            $name=$ ......

PHP ²Ù×÷Access (ÕýÈ·)

 µÚÒ»ÖÖ·½·¨£º
<?php
class Access{
    function getConn(){
        $conn = @new COM("ADODB.Connection") or die ("ADOÁ¬½Óʧ°Ü!");
        $connstr = "DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=" . realpath(__IMPL__."/db2.mdb");
        $conn->Open($connstr);
        return $conn;
    }
}
?>
²Ù×÷£º
        д£º
        $sql="insert into stu (name) values ('$name')";
        $rs = $conn->Execute($sql);
       ¶Á£º
        $rs=$conn->Execute('select * from stu');
  while(!$rs->EOF){
            $id=$rs->fields['id']->value;
            $name=$ ......

PHP¶þάÊý×éÅÅÐò

 PHP±¾ÉíÊÇÓÐÒ»¸ö¶àάÊý×éÅÅÐòµÄº¯ÊýµÄ¡£
bool
array_multisort
( array
$ar1
[, mixed
$arg
[, mixed
$...
[, array
$...
]]] )
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array_multisort() ¿ÉÒÔÓÃÀ´Ò»´Î¶Ô¶à¸öÊý×é½øÐÐÅÅÐò£¬»òÕ߸ù¾Ýijһά»ò¶àά¶Ô¶àάÊý×é½øÐÐÅÅÐò¡£
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ÊäÈëÊý×é±»µ±³ÉÒ»¸ö±íµÄÁв¢ÒÔÐÐÀ´ÅÅÐò¨D¨DÕâÀàËÆÓÚ SQL µÄ ORDER BY ×Ó¾äµÄ¹¦ÄÜ¡£µÚÒ»¸öÊý×éÊÇÒªÅÅÐòµÄÖ÷ÒªÊý×é¡£Êý×éÖеÄÐУ¨Öµ£©±È½ÏΪÏàͬµÄ»°¾Í°´ÕÕÏÂÒ»¸öÊäÈëÊý×éÖÐÏàÓ¦ÖµµÄ´óСÀ´ÅÅÐò£¬ÒÀ´ËÀàÍÆ¡£
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array( 'id' => array(1,3,2),
          'data'=>array('a','c','b'))
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array(
            array('id'=>1,'data'=>'a'),
            array('id'=>3, ......

PHP³õѧ֮·ÀË®¼ÆÊýÆ÷

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<?
$s_ht="127.0.0.1";
$s_user="root";
$s_pas="123456";
$s_data="ceshi";
if (empty($_SERVER['HTTP_X_FORWARDED_FOR']))
{
$myip = $_SERVER['REMOTE_ADDR'];
$myip = $_SERVER['REMOTE_ADDR'];
}
else {
$myip = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
$myip = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);
$myip = $myip[0]; $myip = $myip[0];
}
//------Á´½ÓÊý¾Ý¿â----------
$conn=mysql_connect($s_ht,$s_user,$s_pas);
//-----------·ÀÖ¹¶à´ÎË¢ÐÂÅжϣ¬ÏÂÃæÏȽøÐвéѯ-----------------
$sql="select * from `ceshi`.`jishuqi` where ip = '$myip'";
$result=mysql_db_query($s_data,$sql,$conn);
$row=mysql_fetch_row($result);
mysql_free_result($result);
if(!$row)
{
$sql="insert into `ceshi`.`jishuqi` ( `jishu`, `ip`, `time_at` ) values ( '1', '$myip', now() )";
mysql_select_db($s_data,$conn);
$result=mysql_query($sql);
mysql_close($conn);
}
else
{
$sql="select time_to_sec(now()) - time_to_sec(time_at) from jish ......
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