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mysql_connect("Ö÷»úÃû","Óû§Ãû","ÃÜÂë");//´ò¿ªÒ»¸öÁ¬½Ó
mysql_select_db("´ò¿ªÊý¾Ý¿â",Á¬½Ó±êʶ·û);//´ò¿ªÒ»¸öÊý¾Ý¿â
$conn=@mysql_connect("localhost","root","") or die("Á´½Ó´íÎó");ÕâÀï@¿ÉÒÔÒþ²Ø´íÎóÌáʾ,or die¿ÉÒÔÔÚ´íÎóµÄʱºòÏÔʾ¡£
Ö´ÐÐsqlÓï¾äµÄº¯Êý:
mysql_query();
$sql="select * from test";
$result=@mysql_query($sql,$conn) or die(mysql_error());
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1¡¢ÓÃPHP´òÓ¡³öǰһÌìµÄʱ¼ä¸ñʽÊÇ2006-5-10 22:21:21(2·Ö)
echo date('Y-m-d H:i:s', strtotime('-1 day'));
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$yesterday = time() - (24 * 60 * 60);
echo 'today:'.date('Y-m-d H:i:s')."\n";
echo 'yesterday:'. date('Y-m-d H:i:s', $yesterday)."\n";
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php ͨ¹ýfsockopen Ä£ÄâPOSTÌá½»


$URL
=‘
http
:
//xxx.xxx.xxx.xx/xx/xxx/top.php';
$post_data
[
'
clientname
'
]
=
"
test08
"
;
$post_data
[
'
clientpasswd
'
]
=
"
test08
"
;
$post_data
[
'
submit
'
]
=
"
¥í¥°¥¤¥ó
"
;
$referrer
=
""
;
// ......

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1.PHPÊÇPHP: Hypertext PreprocessorµÄËõд,ÖÐÎÄÒëΪPHP:³¬Îı¾Ô¤´¦ÀíÆ÷.
2.PHPÊÇÒ»ÖÖ¼òµ¥µÄ,ÃæÏò¶ÔÏóµÄ,½âÊÍÐ͵Ä,½¡×³µÄ,°²È«µÄ,ÐÔÄܷdz£¸ßµÄ,¶ÀÁ¢Óڼܹ¹µÄ,¿ÉÒÆÖ²ÐÔµÄ,¶¯Ì¬µÄ·þÎñÆ÷¶Ë½Å±¾ÓïÑÔ.
3.PHP¾ßÓÐ¿çÆ½Ì¨ÐÔ,ÔÚ´ó¶àÊýUNIXƽ̨,Linuxƽ̨ºÍ΢ÈíWindowsƽ̨É϶¼¿ÉÒÔÔËÐÐ.
4.PHPÖ§³ÖJDBC,ÌṩMYSQL,Oracle,SybaseºÍM ......

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$test1=array(1,2,3,4);//¶¨ÒåÁËÒ»¸ö°üº¬4¸öÊýµÄÊý×é
$test1=array("new1"=>1,"new2"=>2);//Á½¸ö±äÁ¿µÄÊý×é,array['new1']=1,array['new2']=2
¶ ......
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