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function random($length) {
$hash = '';
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz';
$max = strlen($chars) - 1;
mt_srand((double)microtime() * 1000000);
for($i = 0; $i < $length; $i++) {
$hash .= $chars[mt_rand(0, $max)];
}
return $hash;
}
2.½ØÈ¡Ò»¶¨³¤¶ÈµÄ×Ö·û´®
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function wordscut($string, $length ,$sss=0) {
if(strlen($string) > $length) {
if($sss){
$length=$length - 3;
$addstr=' ...';
}
for($i = 0; $i < $length; $i++) {
if(ord($string[$i]) > 127) {
$wordscut .= $string[$i].$string[$i + 1];
$i++;
} else {
$wordscut .= $string[$i];
}
}
return $wordscut.$addstr;
}
return $string;
}
3.È¡µÃ¿Í»§¶ËIPµØÖ·
function GetIP(){
if (getenv("http_CLIENT_IP") && strcasecmp(getenv("http_CLIENT_IP"), "unknown"))
$ip = getenv("http_CLIENT_IP");
else if (getenv("http_X_FORWARDED_FOR") && strcasecmp(getenv("http_X_FORWARDED_FOR"), "unknown"))
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2008-09-04 15:39
1.ÔÚphp.iniÎļþÖи͝error_reporting
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error_reporting = E_ALL & ~E_NOTICE
Èç¹ûÄã²»ÄܲÙ×÷php.iniÎļþ£¬Äã¿ÉÒÔÓÃÏÂÃæµÄ·½·¨ ......
/* Author: ÑîÓî <yangyu@sina.cn> */
//½«Ã루·Çʱ¼ä´Á£©×ª»¯³É ** Сʱ ** ·Ö
function sec2time($sec){
$sec = round($sec/60);
if ($sec >= 60){
$hour = floor($sec/60);
$min = $sec%60;
$res = $hour.' Сʱ ';
$min != ......
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ASP£¬JSP£¬PHPÊÇWEB¿ª·¢µÄÈý´ó¼¼Êõ£¬ÈýÖÖ¼¼ÊõÓÅȱµãÒ²Ôç¾ÍÓÐÈË·ÖÎö¹ýÁË¡£ÎÞ·ÇÒ²¾ÍÊÇASP¼òµ¥Ò×ÓÃÇÒÓÐmicrosoft×ö¿¿É½£¬JSP¹¦ÄÜÇ¿´óÊÇÒòΪÓÐjavaÖ§³Ö£¬PHPÔò¿ªÔ´¿çƽ̨¡£ÔÚ¹úÄÚ£¬ASPÓ¦Ó÷¶Î§×î¹ã£¬JSP·¢Õ¹ÊÆÍ·×îÃÍ£¬PHPÔò´¦ÓÚÁÓÊÆ¡£Õâ¿ÉÄÜÓë¹«Ë ......
<?php
//н¨Ä¿Â¼
mkdir("/path/to/my/dir", 0700); //0700±íʾȨÏÞ×î´ó
//ɾ³ýĿ¼
rmdir("/path/to/my/dir");
//±éÀúĿ¼
$p =dir(/etc/php5);
echo "handler:".$p->handler;
while(false!=$entry=$p->read()){
echo $entry."\n" ;
}
$p->close();
//Êä³öÎļþÄÚÈÝ
$handle=@ ......
2009-08-03 16:05
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