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 "***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));

?>

复制代码 代码如下:

<?php

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)

?>