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ѸËÙѧ»áPHP¼ÓÃܽâÃܼ¼ÇÉ

Ïл°ÉÙ˵,ÏȽ«ËüÃÇ´ò°ü³ÉÒ»¸öÎļþ¾Í½Ðfun.php°É
< ?php  
function passport_encrypt($txt, $key) {  
srand((double)microtime() * 1000000);  
$encrypt_key = md5(rand(0, 32000));  
$ctr = 0;  
$tmp = '';  
for($i = 0;$i < strlen($txt); $i++) {  
$ctr = $ctr == strlen($encrypt_key) ? 0 : $ctr;  
$tmp .= $encrypt_key[$ctr].($txt[$i]
 ^ $encrypt_key[$ctr++]);  
}  
return base64_encode(passport_key($tmp, $key));  
}  
function passport_decrypt($txt, $key) {  
$txt = passport_key(base64_decode($txt), $key);  
$tmp = '';  
for($i = 0;$i < strlen($txt); $i++) {  
$md5 = $txt[$i];  
$tmp .= $txt[++$i] ^ $md5; &n ......

phpÖ®Ôì³µÂÛ

ÏÖÔÚphpÓкܶ࿪·¢¿ò¼Ü£¬±ÈÈçzendµÄzendframe——Ò»¸öЧÂʺܵͣ¬µ«ÍþÁ¦ºÜ´óµÄ¾ÞÈË£¬symfony——Ò»¸öÊÊÓôóÐÍÓ¦ÓÃÈ´Ìå»ýÇáÇɵİïÊÖ£¬cakephp£¬codelgniter£¬thinkphp£¬fleaPHPµÈµÈÓÅÐã×÷Æ·¡£
Ò²ÐíÒòΪÕâ¸öÔ­Òò£¬phpºÜÄѳÉΪÖ÷Á÷¡£Ñ¡Ôñ¶àÁË·´¶ø²»ÖªµÀÑ¡ÔñÄĸöºÃ¡£²»ÏñjavaÓÐͳһµÄÖ÷Á÷¿ò¼Ü£¬Äã¿ÉÒÔÑ¡Ôñejb£¬Ò²¿ÉÒÔÓÃspring¡£
ÎÒѧphpѧÁ˰ëÄê¶à£¬¶ÔphpÓÐЩ×Ô¼ºµÄ¿´·¨¡£
дPHPÓ¦¸ÃÊÇѧ»áÀûÓÃÏÖÓÐÓÅÐãµÄ×ÊÔ´È¥¹¹½¨×Ô¼ºµÄ³ÌÐò¡£¿ò¼ÜºÃÏñÊÇÆû³µµÄµ×ÅÌ£¬³ÌÐòÓнṹ£¬¾ÍºÃдÁË£»ÓÅÐãµÄ¿âÀà¾ÍÊdzµÂÖ£¬ÓÃÁËЧÂʾÍÌá¸ßÁ˺ܶ࣬±ÈÈçsmartyÄ£°åÒýÇæ¡£¼ÈÈ»ÍøÉÏÌṩÁËÈç´ËÓÅÐãµÄ×ÊÔ´£¬×ÔȻҪÄùýÀ´Óã¬ÒԼӿ쿪·¢ËÙ¶È¡£µ«ÊÇÕâ¸ö×ö·¨Óе㲻ˬµÄ¾ÍÊDz»µÃ²»ÊÊÓ¦È˼Ҽȶ¨µÄ¹æÔò£¬°´È˼ҵÄд¡£ºÇºÇ£¬¼ÈÈ»²»×ÔÓɸɴà×Ô¼ºÐ´ºÃÁË£¬µ«ÊÇÄãдµÄʱ¼äδ±Ø±ÈÄãѧϰÓï·¨µÄʱ¼äÉÙ°¡¡£ÊDz»ÊÇ£¬ËùÒÔ£¬»¹ÊÇѧϰÈ˼ҵÄÓï·¨£¬»¹ÒªÁ˽âÏ´úÂëÊÇÈçºÎʵÏÖÔ­ÀíµÄ¡£¶®ÁËÔ­Àí£¬Äã¾ÍÖªµÀÈ˼ÒдµÄ×÷ƷΪʲôÓÅÐ㣬ûÓÐÀíÓɲ»Óð¡¡£Èç¹ûÄã´¿´âÊÇΪÁËÑо¿¼¼Êõ£¬ºÃ°É£¬Äã×Ô¼ºÐ´¡£ÈôÊÇ¿ª·¢µÄ»°£¬ÀûÓÃÕâЩÏÖ³ÉÁã¼þ¾Í¿ÉÒÔ¼õÉÙʱ¼ä£¬¿ÉνÃ÷ÖÇ¡£
×ܽá˵˵£¬ÄãÒªÉú²úÒ»Á¾³µ£¬Ïñ³µÂÖ°¡£¬µ×Å̰¡£¬²£Á§µÈÁã¼þ£ ......

phpÁ¬½Ómysql

header("Content-Type:text/html;charset=utf8");   ·Åµ½PHP¿ªÍ·´¦
$link=mysql_connect("localhost","root","110110");//Á´½Ó
mysql_select_db("blog",$link);//Ñ¡ÔñÊý¾Ý¿â
mysql_query("SET character_set_results=gbk", $link);//×Ö·û±àÂë ......

php ÕýÔò±í´ïʽ htmlÖеĻسµ

//»Ø³µ£º[\n\r\t]
$reg="|typeid=\"(.*)\" onsel.*[\n\r\t]*<a href="\" mce_href="\""#\">(.*)</a>|";
preg_match_all ($reg,
$html,
$out, PREG_PATTERN_ORDER);
foreach ($out as $value){
foreach ($value as $value2){
if(strlen($value2)<20)
echo ($value2."<br>");
}
}
//ikmb ......

php ÕýÔò±í´ïʽ htmlÖеĻسµ

//»Ø³µ£º[\n\r\t]
$reg="|typeid=\"(.*)\" onsel.*[\n\r\t]*<a href="\" mce_href="\""#\">(.*)</a>|";
preg_match_all ($reg,
$html,
$out, PREG_PATTERN_ORDER);
foreach ($out as $value){
foreach ($value as $value2){
if(strlen($value2)<20)
echo ($value2."<br>");
}
}
//ikmb ......

Berkeley 5.0.21ÌṩµÄPHPÀ©Õ¹µÄBug

½ñÌì×°Á˸öBerkeley 5.0.21½øÐвâÊÔ¡£
˳Àû±àÒëÁË×Ô´øµÄphp_db4Ä£¿éºó£¬½øÐвâÊÔ¡£·¢ÏÖdel²Ù×÷±¨´í£º
illegal flag specified to DB->del
<?php
dl('db4.so');
$db = new Db4();
$db->open(null, 'info.db', 'info');
$db->put('key', 'value');
var_dump($db->del('key'));
$db->close();
$db->delµÄ·µ»ØÖµÊÇ22¡£Ò²¾ÍÊDzÎÊý´íÎó¡£
֮ǰû½Ó´¥¹ýBDB£¬Ò²²»ÖªµÀÕý²»Õý³£¡£µ«»³ÒÉÊDz»ÊÇÒòΪphpÊÇÖ§³Ö4.xϵÁеģ¬Òò´Ë½øµ½phpÄ£¿éµÄ´úÂë¿´ÁËһϡ£
phpµÄdelµÄʵÏֺܼòµ¥£º
/* {{{ proto bool DB4::del(string $key [, object $txn])
*/
ZEND_NAMED_FUNCTION(_wrap_db_del)
{
DB *db = NULL;
DB_TXN *txn = NULL;
zval *txn_obj = NULL;
u_int32_t flags; // ³ö´íÐУºÎ´³õʼ»¯£¡¸ÄΪ u_int32_t flags = 0;
DBT key;
char *keyname;
int keylen;
getDbfromThis(db);
if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|O", &keyname, &keylen,
&txn_obj, db_txn_ce) == FAILURE)
{
return;
}
if(txn_obj ......

php»ñÈ¡¿Í»§¶ËIPµØÖ·µÄ¼¸ÖÖ·½·¨

PHP Code one: //php»ñÈ¡ipµÄËã·¨
$iipp=$_SERVER["REMOTE_ADDR"];
echo $iipp; PHP Code two: //php»ñÈ¡ipµÄËã·¨
$user_IP = ($_SERVER["HTTP_VIA"]) ? $_SERVER["HTTP_X_FORWARDED_FOR"] : $_SERVER["REMOTE_ADDR"];
$user_IP = ($user_IP) ? $user_IP : $_SERVER["REMOTE_ADDR"];
echo $user_IP; function get_real_ip(){
$ip=false;
if(!empty($_SERVER["HTTP_CLIENT_IP"])){
$ip = $_SERVER["HTTP_CLIENT_IP"];
}
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
    $ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']);
if ($ip) { array_unshift($ips, $ip); $ip = FALSE; }
    for ($i = 0; $i < count($ips); $i++) {
         if (!eregi ("^(10©¦172.16©¦192.168).", $ips[$i])) {
            $ip = $ips[$i];
            break;
     ......
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