note 118395 deleted from book.exec by peehaa
| From: | peehaa@php.net | Date: | Sun, 28 Apr 2019 10:22:19 +0000 |
| Subject: | note 118395 deleted from book.exec by peehaa | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-210768@lists.php.net to get a copy of this message | ||
Note Submitter: ohcc at 163 dot com
----
You can use a pair of backquotes `` to run system commands.
<?php
header('Content-Type: text/html; charset=gbk');
echo
ping -n 1 www.51-n.com;// on windows only
?>
it returns the whole output of the command called as a string.
Variables, class properties and return values of class methods between two ` signs will be
replaced with their values.
<?php
header('Content-Type: text/html; charset=gbk');
$domain = 'www.51-n.com';
echo ping -n 1 {$domain};
?>
<?php
header('Content-Type: text/html; charset=gbk');
class Ping {
private $domain;
private $count;
public function setDomain($domain){
$this->domain = $domain;
}
public function setCount($count){
$this->count = $count;
}
public function getDomain(){
return $this->domain;
}
public function ping(){
return ping -n {$this->count} {$this->getDomain()};
}
}
$p = new Ping;
$p->setDomain('www.wuxiancheng.cn');
$p->setCount(1);
echo $p->ping();
?>