php 32λÕûÊýÒç³öÎÊÌâ - PHP / »ù´¡±à³Ì
ÓÐÒÔÏÂcº¯ÊýÓÃÓÚ½«Ò»¸ö×Ö·û´®Éú³ÉÒ»¸öhashÂ룬·µ»ØÀàÐÍΪunsigned longÀàÐÍ.
C/C++ code:
static unsigned long
hash_string (const void *key)
{
const char *p = (const char *)key;
unsigned int h = *p;
if (h)
for (p += 1; *p != '\0'; p++)
h = (h << 5) - h + *p;
return h;
}
ÎÒÏÖÔÚÒª½«ÒÔÉÏ´úÂëÒÆÖ²ÎªphpµÄº¯Êý,ÈçÏÂ:
PHP code:
function hash_string($str)
{
$length = strlen($str);
$h = ord($str[0]);
if($length > 0)
for($i = 1; $i < $length; ++$i)
{
$h = [color=#FF0000]($h << 5)[/color] - $h + ord($str[$i]);
}
return sprintf("%u", $h);
}
µ«¸Ãphpº¯ÊýÃæÁÙ32λÕûÊýÒç³öµÄÎÊÌ⣬ÔÚcÓïÑÔÖУ¬²»¶Ï×óÒÆ5λµÄ»°£¬Òç³öµÄλ»á±»Åׯú£¬Ò²¾ÍÊÇÎÞÂÛÔõÑùÒÆÎ»£¬¶¼»á¿¨ÔÚ32λ·¶Î§ÄÚ;
µ«phpÔò»áÒ»Ö±À©´óÏÂÈ¥ÒÔÖÁÓÚ³¬³ö32λµÄ·¶Î§.
ÎÒÏëÎʵÄÊÇ£¬ÈçºÎ²ÅÄÜÈÃphp±£³ÖÔÚ32λµÄ·¶Î§ÄÚ²Ù×÷Ò»¸öÊýÄØ£¿
Õâ²»½ÐÒç³ö
Èç¹û²»Òª³¬¹ý32λ±È½ÏÅжÏһϾͿÉÒÔÁË¡£
½«´¦ÀíµÄ±äÁ¿,Ç¿ÖÆÀàÐÍת»»³ÉintÐÍ.
int ÊÇ4×Ö½ÚµÄ.
$h = (($h << 5) & 0xffffffff) - $h + ord($str[$i]);
{{----}
Ïà¹ØÎÊ´ð£º
Ôڲɼ¯Ò»¸öÒ³ÃæµÄʱºòͨ³£¶¼ÊÇʹÓÃfile_get_contents($url)
²»¹ý·µ»ØµÄ½á¹ûÓÐʱºò»á²»È«
Èç¹ûÔÚhtmlÖÐʹÓà document.ready,ÔÚÒ³Ãæ×¼±¸ºÃºó£¬Ê¹ÓÃajax¶ÁÈ¡±ðÒ»²¿·ÖµÄÊý¾Ý
ÔÙͨ¹ýÐÞ¸Ähtml±êÇ©µÄÄÚÈÝ£¬¾Í²¿·ÖµÄÊý¾Ý¾ ......
ÔÚfirefoxä¯ÀÀÆ÷ÏÂÕý³£µÇ½£¬µ«ÔÚIE ä¯ÀÀÆ÷ÏÂÎÞ·¨µÇ½£¬Ã¿´Î¶¼»áÖØÐÂÉú³ÉÒ»¸ösession,ÔÀ´µÄÄÚÈݻᶪʧ¡£¡£¡£¡£¡£¡£¡£¡£¡£¡£Ôõô»ØÊÂ......
¾ßÌåÇé¿ö£¿²Â²â¿ÉÄÜÊÇÄã±¾»úIEµÄcookie±»½ûÓÃÁ˰ɣ¬¿ÉÒÔ¿´¿´
cookie Æ ......
Warning: odbc_connect() [function.odbc-connect]: SQL error: [Microsoft][ODBC Çý¶¯³ÌÐò¹ÜÀíÆ÷] δ·¢ÏÖÊý¾ÝÔ´Ãû³Æ²¢ÇÒδָ¶¨Ä¬ÈÏÇý¶¯³ÌÐò, SQL state IM002 in SQLConnect in D:\0\msc\msc\tel.php on line 44
Í ......
ÎÒÊÇphp µÄ³õѧÕß
µ«ÊDz»Ð¡µÄphpµÄЧ¹û ÔÚDreamweaver ÉÏÃæÒªÔõÑùÔËÐÐ ²ÅÄÜ¿´µ½Ð§¹û£¿£¿£¿£¿
Çë¸÷λ¸ç¸ç½ã½ã µÜµÜÃÃÃÃÃÇÖ¸½Ì¹þ
Thank you£¡£¡£¡£¡
ÐÂÊÖ½¨Òé×°¸öwamp phpÎļþ·Å ......