如何定义 php 类的全局实例？

发布于 2024-12-28 14:53:21 字数 364 浏览 1 评论 0原文

这是我的代码：

<?php
require_once 'classes/dbconnect.php';
$connector = new dbconnect();
pp();
function pp(){
$uid="0000007";
$table = $connector->query("SELECT * FROM tc_personal WHERE uid = '$uid'");
$tb = mysql_fetch_object($table);
print $tb->name;
}
?>

但是此代码将不起作用，因为 pp() 函数无法访问 $connector。如何将全局变量定义为 $connector？

原文

This is my code :

<?php
require_once 'classes/dbconnect.php';
$connector = new dbconnect();
pp();
function pp(){
$uid="0000007";
$table = $connector->query("SELECT * FROM tc_personal WHERE uid = '$uid'");
$tb = mysql_fetch_object($table);
print $tb->name;
}
?>

but this code will not work because the pp() function can't access the $connector.
How can i define a global variable as $connector?

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当爱已成负担 2025-01-04 14:53:21

肯定比使用全局变量更好，即使不是 OOP

<?php 
require_once 'classes/dbconnect.php'; 
$connector = new dbconnect(); 
pp($connector); 

function pp($connector){ 
    $uid="0000007"; 
    $table = $connector->query("SELECT * FROM tc_personal WHERE uid = '$uid'"); 
    $tb = mysql_fetch_object($table); 
    print $tb->name; 
} 
?>

Surely better than using globals, even if not OOP

<?php 
require_once 'classes/dbconnect.php'; 
$connector = new dbconnect(); 
pp($connector); 

function pp($connector){ 
    $uid="0000007"; 
    $table = $connector->query("SELECT * FROM tc_personal WHERE uid = '$uid'"); 
    $tb = mysql_fetch_object($table); 
    print $tb->name; 
} 
?>

回复收藏 0 原文

疑心病 2025-01-04 14:53:21

<?php
require_once 'classes/dbconnect.php';
global $connector;
$connector = new dbconnect();
pp();
function pp(){
global $connector;
$uid="0000007";
$table = $connector->query("SELECT * FROM tc_personal WHERE uid = '$uid'");
$tb = mysql_fetch_object($table);
print $tb->name;
}
?>

<?php
require_once 'classes/dbconnect.php';
global $connector;
$connector = new dbconnect();
pp();
function pp(){
global $connector;
$uid="0000007";
$table = $connector->query("SELECT * FROM tc_personal WHERE uid = '$uid'");
$tb = mysql_fetch_object($table);
print $tb->name;
}
?>

回复收藏 0 原文

~没有更多了~