File Source for system.php

<?php
/**
* Project: eSystem:: The Extended file system<br>
* File: eSystem/system.php
*
* Sub pcakge of eSystem package. This package includes extended system
* methods.
*
* @category System
* @package eSystem
* @subpackage eSystem_system
* @author JoungKyun.Kim <http://oops.org>
* @copyright (c) 2018, OOPS.org
* @license BSD
* @link http://pear.oops.org/package/KSC5601
* @filesource
*/
/**
* alternative sysem class that based eSystem class
*
* @package eSystem
*/
class eSystem_system
{
// {{{ properties
public $tmpdir = '/tmp';
public $_stdout;
public $_stderr;
public $_retint = 0;
private $tmpname = 'eSystem_system_';
// }}}
// {{{ function _system ($_cmd, $_out = 0)
/**
*
* Proto method of eSystem exec functions.
*
* @access public
* @return void
* @param string command that execute an external program and display the output
* @param int whether saving output message on self::$_stdout
*/
function _system ($_cmd, $_out = 0) {
$_err = tempnam ($this->tmpdir, $this->tmpname);
$_cmd = $_cmd . ' 2> ' . $_err . '; echo "RET_VAL:$?"';
$pd = popen ($_cmd, "r");
while ( ! feof ($pd) ) {
$_r = rtrim (fgets ($pd, 1024));
if ( preg_match ("/RET_VAL:([0-9]+)$/", $_r, $_match) ) {
$this->_retint = $_match[1];
if ( ! preg_match ("/^RET_VAL/", $_r) ) {
$_r = preg_replace ('/RET_VAL:.*/', '', $_r);
$this->_stdout[] = $_r;
if ( $_out ) {
echo $_r . "\n";
flush ();
}
}
break;
} else {
$this->_stdout[] = $_r;
if ( $_out ) {
echo $_r . "\n";
flush ();
}
}
}
pclose ($pd);
if ( filesize ($_err) > 0 ) {
$this->_stderr = rtrim (file_get_contents ($_err));
}
unlink ($_err);
}
// }}}
}
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
?>

Source for file system.php