call_user_func_array

Call a user function given with an array of parameters (PHP 4 >= 4.0.4, PHP 5)
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 653. 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));
?>

See also call_user_func(), and 有关 callback 类型的信息