简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
Home > Backend Development > PHP Tutorial > body text

Usage demonstration of call_user_func_array() function in PHP_PHP tutorial

WBOY
Release： 2016-07-21 15:21:05
Original
1418 people have browsed it

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:

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:

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)
?>

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/324996.htmlTechArticlecall_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...
Related labels：
array p php user function Demo usage of
source：php.cn
Previous article：Some problem solving methods for win2003 server using WPS COM components_PHP tutorial Next article：Basics of getting started with cakephp_PHP tutorial
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
PHP arrays obtained from URL parameters do not behave as expected I have a URL parameter that contains the category ID and I want to treat it as an array li...
From 2024-04-06 22:09:02
0
1
1428
Where should I place CustomLog directive in apache I'm using php:7.2-apachedocker. I need to disable health check url login access log. Based...
From 2024-04-06 22:03:59
0
1
990
What is the format of the variables in the return value? I am a new learner of php. I found a piece of code: if($x<time()){return[false,'error']...
From 2024-04-06 21:55:20
0
1
778
Problems encountered when using opentbs to generate odt files: values ​​of the same key are displayed in the same row instead of separate columns. I'm using a library called OpenTbs to create odt using PHP, I'm using it because columns a...
From 2024-04-06 20:18:18
0
1
483
Group MySQL results by ID for looping over I have a table with flight data in mysql. I'm writing a php code that will group and displ...
From 2024-04-06 17:27:56
0
1
406
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn：Public welfare online PHP training，Help PHP learners grow quickly！