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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

<?php 
function debug($var, $val) 
{ 
echo "***DEBUGGINGnVARIABLE: $varnVALUE:"; 
if (is_array($val) || is_object($val) || is_resource($val)) { 
print_r($val); 
} else { 
echo "n$valn"; 
} 
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)); 
?> 

<?php 
function test($str) { 
echo $str; 
} 

call_user_func_array("test","NO.1 www.chhua.com");//輸出"NO.1 www.chhua.com" 
//參數說明“第一個參數是函數名，第二個是參數 
class testClass { 
public function write($str){ 
echo $str; 
} 
} 
call_user_func_array(array(testClass,write),"NO.1 www.chhua.com");//用類調用的時侯，用array()，array(類名，方法名) 
?> 

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