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

Example#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));
?>

注释

Note: Referenced variables in param_arr are passed to the function by a reference, others are passed by a value. In other words, it does not depend on the function signature whether the parameter is passed by a value or by a reference.

参见

call_user_func()
有关 callback 类型的信息


	PHP5中文手册 Function handling call_user_func Function handling PHP Manual 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 Example#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)); ?> 注释 Note: Referenced variables in `param_arr`* are passed to the function by a reference, others are passed by a value. In other words, it does not depend on the function signature whether the parameter is passed by a value or by a reference. 参见 call_user_func() 有关 callback 类型的信息 Function handling call_user_func Function handling PHP Manual