Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

PHP bug??global·¢ÏÖµÄÎÊÌâ

ÈçÏÂphp´úÂë
<?php
$type='a';
$target='type';
$a=array(1,2,3);
a($target);
function a($type)
{
    global $$type;
    var_dump($$type);
}
?>
Ô¤¼ÆÊä³öµÄÊÇstring(1)”a”
¿ÉÊǽá¹ûÊÇ
Notice: Undefined variable: a in D:\web\global.php on line 11
NULL
ÒòΪglobalµÄʱºòÒý½øÁË$type,˳±ã°ÑÈ«¾ÖµÄ$typeÒý½øÁË,º¯ÊýÄÚ²¿µÄ$typeµÄÖµ±»Ð޸ijÉÁËÈ«¾ÖµÄ'a',¶øº¯ÊýÄÚ²¿ÓÖûÓÐ$a,ËùÒÔ±¨´íºÍ´òÓ¡null
²»ÖªµÀÕâÊÇphpµÄ´íÎó»¹ÊǾÍÊÇglobalµÄ»úÖÆ,²»¹ý¸öÈËÈÏΪÕâ¸öÇé¿öÏÂÖ»Òý½ø$type¾Í¿ÉÒÔÁË


Ïà¹ØÎĵµ£º

phpÎļþÉÏ´«º¯Êý

<?php
/**
+++++++++++++++++++++=+++++ÉÏ´«Í¼Æ¬++++++++++++++++++++++++++++++++++++++++
—————————————————————————————&mdas ......

ѧϰPHP(1)

»ù±¾Óï·¨
ÎҵĵÚÒ»¸öPHP£ºHello World
<?php
echo"Hello World!";
?>
ÏÔʾ½á¹ûΪ Hello World!
±äÁ¿
PHPÖУ¬ËùÓеıäÁ¿¶¼ÒÔ±êʶ“$”¿ªÍ·:
<?php
$str1 = "Hello World!";
echo $str1;
?>
ÏÔʾ½á¹ûΪ Hello World!
PHPÖÐʹÓÓ.”·ûºÅÁ¬½Ó²»Í¬µÄ×Ö·û´®¡£¾ÙÀýÈçÏ£º
<?p ......

mysql+phpÎÞ·¨Á¬½Ósql£¨Òѽâ¾ö£©

¸ãÁ˺ܾᣡ£ÖÕÓÚ·¢ÏÖÔ­À´ÊÇȨÏÞÎÊÌâ¡£¡£
2ÐÐÃüÁî¸ã¶¨
grant all privileges on rogue.* to admin@localhost identified by 'admin' with grant option
grant all privileges on rogue.* to admin@'%' identified by 'admin' with grant option
¾­µäÁË¡£¡£¡£
ħÁ¦Ë½·þÍøÒ³¶Ë¸ã¶¨¿©~~ ......

PHP»º´æ¼¼ÊõÏê½â

PHP»º´æ¼¼ÊõÏê½â
Ò»¡¢»º´æ¼¼Êõ:   
ÓÐЩÐÅÏ¢±È·½¾­³£²»±äµÄ,µ«ÊÇ»¹ÊÇÄܱäµÄÐÅÏ¢·ÅÔÚ»º´æÖÐÒÔ¼Ó¿ìÏÔʾËÙ¶È,ÕâÊǺÜÓмÛÖµµÄ,ËùνµÄ»º´æ,ͨË×µÄÀí½â¾ÍÊÇһЩ±£´æÔÚ·þÎñÆ÷¶ËµÄ¹²ÓÃЊϢ.ËüÊÇÓÚ·þÎñÆ÷ͬÉúËÀµÄ,ÎÒÃÇÔÚ±£´æ»º´æµÄʱºò¿ÉÒÔÖ¸¶¨Ï´θüеÄʱ¼äµÄÅжÏ,±È·½ÒªÔÚ5·ÖÖÓ¸üÐÂÒ»´Î,¿ÉÒԼǼÉϴθüеÄʱ¼ ......

PHP»·¾³ÅäÖÃÐĵÃ


PHP»·¾³ÅäÖÃÐĵÃ
ApacheµÄÅäÖÃ
Ê×ÏÈÎÒÔÚhttp://httpd.apache.org/download.cgiϵÄÊÇ“Win32 Binary without crypto (no mod_ssl) (MSI Installer): httpd-2.2.15-win32-x86-no_ssl.msi”¡£°²×°ÄÇÊÇС¶ù¿ÆÀ²£¬ÏÂÒ»²½ÏÂÒ»²½¡£ÎҾͲ»ËµÁË¡£
°²×°Íêºó¾ÍÒª¿ªÊ¼ÅäÖÃÁË£¬ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ