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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

## 说明

mixed call_user_func_array ( callback function, array param_arr )

Call a user defined `function` with the parameters in `param_arr`.

## 参数

`function`

  The function to be called.

`param_arr`

  The parameters to be passed to the function, as an indexed array.

## 返回值

Returns the function result, or `FALSE` on error.

## 范例

例 1. call_user_func_array() example

`<?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));
?>`

## 参见

call_user_func()
有关 callback 类型的信息

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