从构造函数到方法的变量-PHP
我是PHP OOP的新手,所以如果这个问题是noobish,我很抱歉 我在类的构造函数中选择客户机语言。它看起来像:从构造函数到方法的变量-PHP,php,oop,Php,Oop,我是PHP OOP的新手,所以如果这个问题是noobish,我很抱歉 我在类的构造函数中选择客户机语言。它看起来像: $lang = $_SERVER['HTTP_ACCEPT_LANGUAGE']; $_SESSION['lang'] = $lang; if(isSet($lang)) setcookie('lang', $lang, time() + (3600 * 24 * 30)); else i
$lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
$_SESSION['lang'] = $lang;
if(isSet($lang))
setcookie('lang', $lang, time() + (3600 * 24 * 30));
else if(isSet($_COOKIE['lang']))
$lang = $_COOKIE['lang'];
else
$lang = 'cs';
switch ($lang)
{
case 'sk':
$lang_file = 'sk.php';
break;
case 'cs':
$lang_file = 'cs.php';
break;
default:
$lang_file = 'cs.php';
}
include_once 'languages/'.$lang_file;
$lang = array();
//All
$lang['YES'] = 'Ano';
$lang['NO'] = 'Ne';
$lang['NOT_AVALIABLE'] = 'Není k dispozici';
$lang['CURRENCY'] = 'Měna';
public function fetchByVinAxnmrss($con) {
$success = false;
if($this->vin){
try{
$sql = "SELECT * FROM axnmrs_cases WHERE vin = :vin ORDER BY date_created DESC LIMIT 60";
$stmt = $con->prepare( $sql );
$stmt->bindValue( "vin", $this->vin, PDO::PARAM_STR );
$stmt->execute();
while ($row = $stmt->fetch()){
echo"<tr>";
echo "<td class='number'>".$row['claimnumber']."</td>";
echo $this->lang['AXNMRS_CASE_CREATED_DATE'];
在此之后,如果我向构造函数添加如下内容:echo$lang['YES']
,它将显示它的翻译
若我向我的另一个方法添加相同的echo,我会得到一个错误,$lang是未定义的。
所以我的问题是这是如何工作的?如何在一个类中为所有方法提供相同的变量而不使用全局变量
谢谢
编辑:
例如,cs.php看起来像:
$lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
$_SESSION['lang'] = $lang;
if(isSet($lang))
setcookie('lang', $lang, time() + (3600 * 24 * 30));
else if(isSet($_COOKIE['lang']))
$lang = $_COOKIE['lang'];
else
$lang = 'cs';
switch ($lang)
{
case 'sk':
$lang_file = 'sk.php';
break;
case 'cs':
$lang_file = 'cs.php';
break;
default:
$lang_file = 'cs.php';
}
include_once 'languages/'.$lang_file;
$lang = array();
//All
$lang['YES'] = 'Ano';
$lang['NO'] = 'Ne';
$lang['NOT_AVALIABLE'] = 'Není k dispozici';
$lang['CURRENCY'] = 'Měna';
public function fetchByVinAxnmrss($con) {
$success = false;
if($this->vin){
try{
$sql = "SELECT * FROM axnmrs_cases WHERE vin = :vin ORDER BY date_created DESC LIMIT 60";
$stmt = $con->prepare( $sql );
$stmt->bindValue( "vin", $this->vin, PDO::PARAM_STR );
$stmt->execute();
while ($row = $stmt->fetch()){
echo"<tr>";
echo "<td class='number'>".$row['claimnumber']."</td>";
echo $this->lang['AXNMRS_CASE_CREATED_DATE'];
我的函数的开始部分如下所示:
$lang = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
$_SESSION['lang'] = $lang;
if(isSet($lang))
setcookie('lang', $lang, time() + (3600 * 24 * 30));
else if(isSet($_COOKIE['lang']))
$lang = $_COOKIE['lang'];
else
$lang = 'cs';
switch ($lang)
{
case 'sk':
$lang_file = 'sk.php';
break;
case 'cs':
$lang_file = 'cs.php';
break;
default:
$lang_file = 'cs.php';
}
include_once 'languages/'.$lang_file;
$lang = array();
//All
$lang['YES'] = 'Ano';
$lang['NO'] = 'Ne';
$lang['NOT_AVALIABLE'] = 'Není k dispozici';
$lang['CURRENCY'] = 'Měna';
public function fetchByVinAxnmrss($con) {
$success = false;
if($this->vin){
try{
$sql = "SELECT * FROM axnmrs_cases WHERE vin = :vin ORDER BY date_created DESC LIMIT 60";
$stmt = $con->prepare( $sql );
$stmt->bindValue( "vin", $this->vin, PDO::PARAM_STR );
$stmt->execute();
while ($row = $stmt->fetch()){
echo"<tr>";
echo "<td class='number'>".$row['claimnumber']."</td>";
echo $this->lang['AXNMRS_CASE_CREATED_DATE'];
公共函数fetchByVinAxnmrss($con){
$success=false;
如果($this->vin){
试一试{
$sql=“从axnmrs\u案例中选择*,其中vin=:vin订单日期\u创建描述限制60”;
$stmt=$con->prepare($sql);
$stmt->bindValue(“vin”,$this->vin,PDO::PARAM_STR);
$stmt->execute();
而($row=$stmt->fetch()){
回声“;
回显“$row['claimnumber']”;
echo$this->lang['AXNMRS_CASE_CREATED_DATE'];
通过构造函数传递$lang
变量
class YourClass {
public $lang;
public function __construct($lang) {
$this->lang = $lang;
}
}
$yourClass = new YourClass($lang)
在您的函数中,尝试以下操作:
public function fetchByVinAxnmrss($con) {
global $lang; // grab $lang here and use later
$success = false;
......
}
我在你的代码中看不到OOP。基本上你在
\uuu-construct
中设置了$this->lang
,而不是在其他方法中设置了echo$this->lang;
@Justinas谢谢你的回答,但是请检查我的编辑,$lang是从包含的文件中获得的,而不是从constructor其他变量中获得的,它有什么变化吗?我已经给出了函数参数$con so是否有其他方法(编辑我的问题并在那里添加我的方法的开头…非常感谢,我多么希望避免使用全局变量。是否有其他方法?