PHP中call_user_func_array()函数的用法演示

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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
<div class="codetitle"><a style="CURSOR: pointer" data="718" class="copybut" id="copybut718" onclick="doCopy('code718')"> 代码如下:

<div class="codebody" id="code718">
<?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));
?>

<div class="codetitle"><a style="CURSOR: pointer" data="92432" class="copybut" id="copybut92432" onclick="doCopy('code92432')"> 代码如下:
<div class="codebody" id="code92432">
<?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)
?>

原文链接:https://www.f2er.com/php/27341.html

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