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<?php
// Àý×Ó1
function test_global() {
global $var1, $var2;
$var2 =& $var1;
}
function test_globals() {
$GLOBALS['var3'] =& $GLOBALS['var1'];
}
$var1 = 5;
$var2 = $var3 = 0;
test_global();
print $var2 ."\n";
test_globals();
print $var3 ."\n";
?>
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<?php
/**
*@ Date 2010.04.07
*@ Author »ªÏÄÖ®ÐÇ PHP100.com
*@ Blog http://hi.baidu.com/woaidelphi/blog
*/
$user_online = "count.php"; //±£´æÈËÊýµÄÎļþ
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$user_arr = file_get_contents($user_online);
$user_arr = explode('#',rtrim($user_arr,'#'));print_r($user_arr);
$temp = array();
foreach($user_arr as $value){
$user = explode(",",trim($value));
if (($user[0] != getenv('REMOTE_ADDR')) && ($user[1] >
time())) {//Èç¹û²»ÊDZ¾Óû§IP²¢Ê±¼äûÓг¬Ê±Ôò·ÅÈëµ½Êý×éÖÐ
array_push($temp,$user[0].",".$user[1]);
}
}
array_push($temp,getenv('REMOTE_ADDR').",".(time() + ($timeout)).'#');
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