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<?php
/*ʹÓÃÎı¾Îļþ¼Ç¼Êý¾ÝµÄ¼òµ¥ÊµÏÖ*/
$counter=1;
if(file_exists("mycounter.txt")){
$fp=fopen("mycounter.txt","r");
$counter=fgets($fp,9);
$counter++;
fclose($fp);
}
$fp=fopen("mycounter.txt","w");
fputs($fp,$counter);
fclose($fp);
echo "<h1>ÄúÊǵÚ".$counter."´Î·ÃÎʱ¾Ò³Ã棡<h1>";
?>
<?php
//ÏÂÃæÕâ¸öΪʹÓûùÓÚÊý¾Ý¿âµÄ¼òµ¥¼ÆÊýÆ÷£¬Î´Ìí¼ÓÆäËû·ÀÖ¹Ò»ÈËÖØ¸´Ë¢Ðµķ½·¨¡£½ö¹©²Î¿¼¡£¡£
$conn=mysql_connect("localhost","root","abc");
$result=mysql_query("use db_counter");
$re=mysql_query("select * from tb_counter");
$result=mysql_fetch_row($re);
$counter=$result[0];
echo "ÄúÊǵÚ{$counter}λ·ÃÎÊÕߣ¡";
$counter+=1;echo "<hr>{$counter}";
mysql_query("update tb_counter set counter=$counter");
mysql_close($conn);
?>
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<?php
//±¾Ò³µØÖ·£¬SCRIPT_NAMEÒ²¿ÉÒÔ
echo $_SERVER['PHP_SELF']."<br />";
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echo $_SERVER ......
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void header ( string string [, bool replace [, int http_response_code]] )
void header ( string string [, bool replace [, int http_response_code]] )
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<?php
for($a =1;$a<=9;$a++)
{
for($b =1;$b<=$a;$b++)
{$c =$a *$b;
echo "$a*$b=$c ";
}
echo "<p>";
}
?> ......
1¡¢$_SERVER['SCRIPT_NAME']¡¢$_SERVER['PHP_SELF']ºÍ$_SERVER['REQUEST_URI']Çø±ð
Àý×Ó:http://localhost/phpwind75/test.php/%22%3E%3Cscript%3Ealert(’xss’)%3C/script%3E%3Cfoo
$_SERVER['SCRIPT_NAME']Ö»»ñÈ¡½Å±¾Ãû£¬²»»ñÈ¡²ÎÊý,Êä³ö½á¹ûΪ:test.php;
$_SERVER['PHP_SELF']»ñÈ¡½Å±¾Ãûºó£¬Í¬Ê±»ñÈ ......