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PHP code:
echo dde();
function dde()
{
return "ddd";
}



preg_replace_callback

PHP code:

<?php
function foo(&$bar)//¹Ø¼üÊDzÎÊýǰ¼Ó¸ö&
{ $bar='2';}
$str='1';
foo($str);
echo $str; //Êä³ö2
?>


ÍøÉÏÕâÖÖÀý×Ӻܶàѽ£¡

PHP code:
<?php
// ´ËÎı¾ÊÇÓÃÓÚ 2002 ÄêµÄ£¬
// ÏÖÔÚÏëʹÆäÄÜÓÃÓÚ 2003 Äê
$text = "April fools day is 04/01/2002\n";
$text.= "Last christmas was 12/24/2001\n";

// »Øµ÷º¯Êý
function next_year($matches) {
// ͨ³££º$matches[0] ÊÇÍêÕûµÄÆ¥ÅäÏî
// $matches[1] ÊǵÚÒ»¸öÀ¨ºÅÖеÄ×ÓģʽµÄÆ¥ÅäÏî
// ÒÔ´ËÀàÍÆ
return $matches[1].($matches[2]+1);
}

echo preg_replace_callback(
"|(\d{2}/\d{2}/)(\d{4})|",
"next_year",
$text);

// ½á¹ûΪ£º
// April fools day is 04/01/2003
// Last christmas was 12/24/2002
?>

{{


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function uc_get_user($username, $isuid=0) {
$return = call_user_func(UC_API_FUNC, 'user', 'get_user', array('username'=>$username, 'isuid'=>$isuid));
return UC_CONNECT == 'mysql' ......

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phpʱ¼äÕýÔòÎÊÌâ - PHP / »ù´¡±à³Ì

PHP code:

$date = '2009-12-25';
$ptn = '/([\d]{4})[- \/](0?[\d]|1[0-2])[-\/ ](0?[\d]|[1-2][\d]|3[0-1])/';
if (preg_match($ptn,$date,$out))
{
print_r($out);exit();
}
½á¹ûΪ:
PHP code:
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