call_user_func_array 
(PHP 4 >= 4.0.4, PHP 5) 
call_user_func_array -- Call a user function given with an array of parameters 
Description 
mixed call_user_func_array ( callback function, array param_arr ) 
Call a user defined function given by function, with the parameters in param_arr. For example: 
例子 1. call_user_func_array() example 
复制代码 代码如下:
 php function debug($var, $val) 
{ 
echo "***DEBUGGING\nVARIABLE: $var\nVALUE:"; 
if (is_array($val) || is_object($val) || is_resource($val)) { 
print_r($val); 
} else { 
echo "\n$val\n"; 
} 
echo "***\n"; 
} 
$c = mysql_connect(); 
$host = $_SERVER["SERVER_NAME"]; 
call_user_func_array('debug', array("host", $host)); 
call_user_func_array('debug', array("c", $c)); 
call_user_func_array('debug', array("_POST", $_POST)); 
?> 
  
复制代码 代码如下:
 
function test($str) { 
echo $str; 
} 
call_user_func_array("test","NO.1 www.chhua.com");//输出"NO.1 www.chhua.com" 
//参数说明“第一个参数是函数名,第二个是参数 
class testClass { 
public function write($str){ 
echo $str; 
} 
} 
call_user_func_array(array(testClass,write),"NO.1 www.chhua.com");//用类调用的时侯,用array(),array(类名,方法名) 
?> 
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