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

dz̸php²å¼þÀ©Õ¹

 ×î½üÍ»·¢ÆæÏ룬.net¶¼ÓÐÃüÃû¿Õ¼ä»úÖÆ£º
       using System.data;.......,
  ÎÒÃÇÔÚ¿ª·¢phpʱ£¬ÊÇ·ñÒ²ÄÜʵÏÖÕâÖÖ»úÖÆÄØ£¬ÎÒÃÇÖªµÀÏÖÔÚµÄphp v5.2.9»¹²»Ö§³ÖÃüÃû¿Õ¼äµÄ¸ÅÄ
  µ«Ïà¹Øphp v5.3µÄ ×ÊÁϱíÃ÷ ÒѾ­Ê¹ÓÃÃüÃû¿Õ¼äµÄ¸ÅÄî £º
        namespace Foo
 ÎÒÃÇ¿ÉÒÔ°ÑphpµÄÃüÃû¿Õ¼ä¸ÄдΪ
  using  ÕâÖÖ ÐÎʽÂð ^_^ ÕâÊǺó»°........
  ÔÚ²âÊԵĹý³ÌÖб¾ÈË×öÁËÕâÑùÒ»¸ö²âÊÔ Ê¹ÓÃphp ½øÐÐÀ©Õ¹±àÒëµÄdll Îļþ£¨º¯Êý self_concat£©  ͬÑùÊÊÓÃphp дһ¸ö»¹ÊÇ(self_concatx())
php ²¿·Ö´úÂëÈçÏ£º
<?php
function self_concat($str,$n){
 $result=null;
 while($n--){
   $result.=$str;
 }
 return $result;
}
function get_microtime(){
 list($usec, $sec) = explode(' ', microtime());
 return ((float)$usec + (float)$sec);
}
$start=get_microtime();
echo self_concat("phpinfo()",200000);
echo get_microtime()-$start;
?>
copy phpinfo ×Ö·û´® 20W ´Ë ×ܺÄʱ¼ä£º 0.14761400222778
ʹÓà phpÀ©Õ¹ µ÷Óà self_concatx("phpinfo()",200000) ×ܺÄʱ¼ä£º0.012831926345825
ƽ¾ùʹÓÃËÙ¶ÈÒª¸ß 11.50 ±¶£¬
 Í¬Ê±»¹×öÁËÒ»¸öСÊý¾ÝÁ¿²âÊÔ£¬·¢ÏÖ Êý¾ÝÁ¿Ô½Ð¡ ʹÓÃʱ¼äÔ½¶Ì ƽ¾ùʱ¼äÔÚ 10 ±¶ÒÔÉÏ£¡


Ïà¹ØÎĵµ£º

ÈçºÎÔÚPHPÏÂÔØÎļþÃûÖнâ¾öÂÒÂë


ÈçºÎÔÚPHPÏÂÔØÎļþÃûÖнâ¾öÂÒÂë
CND8ѧԺ
¡¡PHP½Ì³Ì
¡¡·¢²¼ÈÕÆÚ£º2009Äê05ÔÂ23ÈÕ

ͨ¹ý°ÑContent-TypeÉèÖÃΪapplication/octet-stream£¬¿ÉÒ԰Ѷ¯Ì¬Éú³ÉµÄÄÚÈݵ±×÷ÎļþÀ´ÏÂÔØ£¬ÏàÐÅÕâ¸ö´ó¼Ò¶¼»á¡£ÄÇôÓÃContent-DispositionÉèÖÃÏÂÔØµÄÎļþÃû£¬Õâ¸öÒ²Óв»ÉÙÈËÖªµÀ°É¡£»ù±¾ÉÏ£¬ÏÂÔØ³ÌÐò¶¼ÊÇÕâôдµÄ£º
< ......

26¿î¹úÍ⿪ԴPHP½¨Õ¾³ÌÐò

 
 
¿ªÔ´½¨Õ¾³ÌÐòÈñà³Ì¸ßÊÖºÍÖ»¶®´ò×ÖÉÏÍøµÄÈ˶¼¿ÉÒÔ¿ìËÙ½¨Á¢Ò»¸ö¹¦ÄÜÇ¿´ó¡¢½çÃæÆ¯ÁÁµÄÍøÕ¾¡£²»¹ÜÄãÊÇÏ뽨һ¸ö²©¿Í¡¢ÂÛ̳¡¢CMS¡¢µç×ÓÉÌÎñÍøÕ¾£¬»òÊÇWiki¡¢Ïà²á¹ÜÀí¡¢RSS¾ÛºÏºÍÀàDiggÍøÕ¾¡£Äã¶¼¿ÉÒÔͨ¹ýÕâЩ½¨Õ¾¹¤¾ß¿ìËÙ½¨Á¢¡£
ÎÒÃÇ֮ǰ½éÉܹý23¸ö¿ªÔ´µÄCMS¹ÜÀíϵͳ£¬ÏÖÔÚÔòÈÃÎÒÃÇÀ´¿´Ò»ÏÂ26¿î¿ªÔ´½¨Õ¾³ÌÐò¡£ ......

PythonºÍPHPÖ®±È½Ï

  ż¶û×ö¸ö¼òµ¥µÄWEB·þÎñ²âÊÔ³ÌÐò£¬ÎÒ»¹ÊÇϲ»¶²ÉÓÃPHP¡£¼ò½à£¬·ç¸ñºÍC/C++½Ó½ü£¬ÉÏÊֿ죬¶øÇÒ¿âÒ²ºÜÆëÈ«¡£ÒÔǰΪ¹ã¶«Òƶ¯×öÒÆ¶¯ÐÐÒµÖն˵ÄÑÝʾ³ÌÐòʱ£¬²ÉÓùúÄÚÒ»¸öÐÖµÜдµÄFleaPHP¿ªÔ´¿ò¼Ü£¬Á½Öܲ»µ½µÄʱ¼ä£¬ÎÒ´ÓÒ»¸ö¶ÔPHPÒ»ÎÞËùÖªµÄˮƽ£¬¿ìËٵĸ㶨ÁË30¶à¸öÒ³ÃæµÄºǫ́£¬ºóÀ´ÑÝʾЧ¹ûÒ²²»´í£¬Ò²ºÜÎȶ¨£¬´Ó´Ë¶ÔPHPÓÐÁ ......

PHPµÄereg()Óëeregi()µÄ²»Í¬¼°Ïàͬµã¡£¶Ô±È

ereg()
×Ö·û´®±È¶Ô½âÎö¡£
Óï·¨: int ereg(string pattern, string string, array [regs]);
·µ»ØÖµ: ÕûÊý/Êý×é
º¯ÊýÖÖÀà: ×ÊÁÏ´¦Àí
ÄÚÈÝ˵Ã÷
±¾º¯ÊýÒÔ pattern µÄ¹æÔòÀ´½âÎö±È¶Ô×Ö·û´® string¡£±È¶Ô½á¹û·µ»ØµÄÖµ·ÅÔÚÊý×é²ÎÊý regs Ö®ÖУ¬regs[0] ÄÚÈݾÍÊÇÔ­×Ö·û´® string¡¢regs[1] ΪµÚÒ»¸öºÏºõ¹æÔòµÄ×Ö·û´®¡¢regs[2 ......

php½Ì³Ì£ºmysqlµÄ³£ÓÃÓï¾ä

¹ØÓÚ PHP ½Ì³ÌµÄÎÄÕÂÒѾ­ºÜ¶àÁË£¬½ñÌì¸ø´ó¼Ò½éÉܼ¸¸ö³£ÓõÄMYSQLÓï¾ä¡£
ÏÔʾÊý¾Ý¿â»ò±í:
show databases;//È»ºó¿ÉÒÔuse database_name;
show tables;
¸ü¸Ä±íÃû:
alter table table_name rename new_t;
Ìí¼ÓÁÐ :
alter table table_name add column c_n column attributes;
ɾ³ýÁÐ:
alter table table_name ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ