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call_user_funcº¯ÊýÀàËÆÓÚÒ»ÖÖÌØ±ðµÄµ÷Óú¯ÊýµÄ·½·¨£¬Ê¹Ó÷½·¨ÈçÏ£º
<?php
function a($b,$c)
{
echo $b;
echo $c;
}
call_user_func('a', "111","222");
call_user_func('a', "333","444");
//ÏÔʾ 111 222 333 444
?>
µ÷ÓÃÀàÄÚ²¿µÄ·½·¨±È½ÏÆæ¹Ö£¬¾ÓÈ»ÓõÄÊÇarray£¬²»ÖªµÀ¿ª·¢ÕßÊÇÈçºÎ¿¼Âǵ쬵±È»Ê¡È¥ÁËnew£¬Ò²ÊÇÂúÓÐÐÂÒâµÄ:
<?php
class a {
function b($c)
{
echo $c;
}
}
call_user_func(array("a", "b"),"111");
//ÏÔʾ 111
?>
call_user_func_arrayº¯ÊýºÍcall_user_funcºÜÏàËÆ£¬Ö»²»¹ýÊÇ»»ÁËÒ»ÖÖ·½Ê½´«µÝÁ˲ÎÊý£¬ÈòÎÊýµÄ½á¹¹¸üÇåÎú:
<?php
function a($b, $c)
{
echo $b;
echo $c;
}
call_user_func_array('a', array("111", "222"));
//ÏÔʾ 111 222
?>
call_user_funcº¯ÊýºÍcall_user_func_arrayº¯Êý¶¼Ö§³ÖÒýÓã¬ÕâÈÃËûÃÇºÍÆÕͨµÄº¯Êýµ÷ÓøüÇ÷ÓÚ¹¦ÄÜÒ»ÖÂ:
<?php
function a(&$b)
{
$b++;
}
$c = 0;
call_user_func('a', &$c);
echo $c;//ÏÔʾ 1
call_user_func_array('a', array(&$c));
echo $c;//ÏÔʾ 2
?>
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