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

PHPµÄip2longÓÐbug,É÷ÓÃ

ÏÈ¿´¿´Ï±ßÕâ¶ÎPHP´úÂë¡£Õâ¶ÎʹÓÃip2longº¯Êý£¬¶Ôͬһ¸öIP½øÐÐת»»¡£µ±È»£¬Ò²ÓÐÈËÈÏΪ58.99.011.1ºÍ058.99.011.1Ëã²»ÉϺϷ¨µÄ
IP£¬ÄǾÍReturn£¬´ËÎĶÔÄãûÓаïÖú¡£
ΪʲôҪʹÓôøÇ°µ¼ÁãµÄip£ºÎªÁËÔÚÊý¾Ý¿âÖвéѯ£¬Õâ¸ö¿ÉÒÔÔÚIP¿âÖж¨Î»µ½ipËù¶ÔÓ¦µÄλÖÃÐÅÏ¢¡£ËäȻûÓÐÕûÐ͵ÄIP²éѯЧÂʸߣ¬µ«±Ï¾¹Ö±¹Û°¡¡£
<?php
echo ip2long('58.99.11.1'),"<br/>"; //Êä³öÊÇ 979569409
echo ip2long('58.99.011.1'),"<br/>"; //Êä³öÊÇ 979568897
echo ip2long('058.99.11.1'),"<br/>"; //Êä³öÊÇ¿Õ
?>

ÔÚPHP 4.x,5.xÖÐ, ÓÐǰµ¼ÁãµÄipת»»µÄ½á¹û¶¼²»ÕýÈ·¡£
½â¾ö°ì·¨£¬Ê¹ÓÃд×Ô¼ºµÄº¯Êý£º
function myip2long($ip){
$ip_arr = split('\.',$ip);
$iplong = (16777216 * intval($ip_arr[0])) + (65536 * intval($ip_arr[1])) + (256 * intval($ip_arr[2])) + intval($ip_arr[3]);
return $iplong;
}


Ïà¹ØÎĵµ£º

PHP¿ª·¢¹¤¾ß

ÕâÀï˵µÄPHP¿ª·¢¹¤¾ß£¬Ö¸µÄÊÇIDE¹¤¾ß¡£ÏñEditplus¡¢Notepad++¡¢UltralEditµÈ¹¤¾ß¶¼ÊǺܺõĿª·¢¹¤¾ß£¬ÌرðÊǶÔÓÚ³õѧÕßÀ´Ëµ£¬µ«ÊÇÕâÀï¾Í²»ÔÙÊäÕâЩÁË¡£ÎÒÃÇ¿´Ò»¿´³£ÓõÄIDE¿ª·¢¹¤¾ß£¬ÎÒ¸öÈËÀí½âÈç¹ûÒªÊÇ×Ô¼ºÑ§Ï°¡¢Á·Ï°Ò»¶¨ÒªÓÃÀàËÆÓÚEditplusµÄÎı¾±à¼­Æ÷£¨¼Çʱ¾¾ÍÌ«¹ý·ÖÁË£©¡£µ«ÊÇÈç¹ûÊÇʵ¼ÊÏîÄ¿ÔÙʹÓÃÄĸö¾ÍÓе㲻ºÏÊÊÁË ......

ÖÓʤ»Ô̸PHP·¢Õ¹µÄÏÖ×´ºÍǰ¾°

 ÖÓʤ»Ô̸PHP·¢Õ¹µÄÏÖ×´ºÍǰ¾°
diggsoft.com ʱ¼ä:2009-09-19 12:56À´Ô´:51CTO 
 
ÖÓʤ»Ô£¨µ­µ­·ç£© PHPCMS´´Ê¼ÈË Ô­Ku6 PhpcmsÊÂÒµ²¿¾­Àí 51CTO¼ÇÕߣº´ÓWeb¿ª·¢µÄÀúÊ·¿´À´£¬PHP¡¢PythonºÍRuby¼¸ºõÊÇͬʱ³öÏֵ쬶¼ÊÇÊ®·ÖÓÐÌØµãµÄ¡¢ÓÅÐãµÄ¿ªÔ´ÓïÑÔ£¬µ«PHPÈ´»ñµÃÁ˱ÈPythonºÍRuby¶àµÃ¶àµÄ
¡¡¡¡
ÖÓʤ»Ô£¨ ......

PHPÎļþÉÏ´«Ô´Âë·ÖÎö(RFC1867)

ÎļþÉÏ´«,Ò»°ã·ÖΪÁ©ÖÖ·½Ê½FTPºÍHTTP, ¶ÔÓÚÎÒÃǵĻ¥ÁªÍøÓ¦ÓÃÀ´Ëµ: FTPÉÏ´«ËäÈ»´«ÊäÎȶ¨, µ«ÊÇÒ×ÓÃÐԺͰ²È«ÐÔ¶¼ÊǸöÎÊÌâ. Äã×ܲ»ÖÁÓÚÔÚÓû§ÒªÉÏ´«Í·ÏñµÄʱºò¸æËßÓû§”Çë´ò¿ªFTP¿Í»§¶Ë,ÉÏ´«Îļþµ½http://www.laruence.com/uploads/ÖÐ, ²¢ÒÔ2dk433423l.jpgÃüÃû”°É?
¶ø»ùÓÚHTTPµÄÉÏ´«,Ïà¶ÔÀ´ËµÒ×ÓÃÐԺͰ²È«ÐÔÉÏ¾Í ......

PHPºÍJAVA¿ª·¢µÄOAÐÔÄܱȽÏ

ÏÖÔÚ»¹ÓкܶàÈ˸㲻¶®PHPºÍJAVA¿ª·¢µÄЭͬOAµ½µ×ÓÐʲô²»Í¬£¬¶Ô×Ô¼ºµ½µ×ÓÐʲôӰÏ죬ÒÔÖÁÓÚ×ö³öÁË´íÎóµÄÑ¡Ôñ¶øêݺ¦ÎÞÇî¡£±ÊÕ߸ù¾ÝÁ½ÖÖ¼¼ÊõµÄÌØµãÖØÐÂÕûÀíÁËÒ»¸ö¶Ô±È£¬¸ø¹ØÐÄЭͬOA¼¼ÊõµÄ¶ÁÕß×ö¸ö²Î¿¼¡£
         »ªÌ춯Á¦Ð­Í¬OAÊDzÉÓÃJAVA¼¼ÊõµÄµäÐÍ´ú±í£¬²¢¾ßÓÐһϵÁÐÓÅ»¯É ......

Á¬Ôضþ£ºphp 3des¼ÓÃÜ

3DES£¨¼´Triple DES£©ÊÇDESÏòAES¹ý¶ÉµÄ¶Ô³ÆÐÔ¼ÓÃÜËã·¨£¬ËüʹÓÃ3Ìõ64λµÄÃÜÔ¿¶ÔÊý¾Ý½øÐÐÈý´Î¼ÓÃÜ¡£ÊÇDESµÄÒ»¸ö¸ü°²È«µÄ±äÐΡ£ËüÒÔDESΪ»ù±¾Ä£¿é£¬Í¨¹ý×éºÏ·Ö×é·½·¨Éè¼Æ³ö·Ö×é¼ÓÃÜËã·¨¡£±ÈÆð×î³õµÄDES£¬3DES¸üΪ°²È«¡£
PHPÀûÓÃÀ©Õ¹¿âMcryptÀ´ÊµÏÖDES¼ÓÃÜ£¬ÕâÖÖ¼ÓÃܵĺô¦Ö÷ÒªÊDz»Í¬µÄÓïÑÔÆ½Ì¨Êý¾Ý¿ÉÒÔ½øÐн»»¥¼ÓÃÜ´«Ê䣬·ÀÖ¹ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ