What is the difference between @$

This question already has an answer here: What is the use of the @ symbol in PHP? 10 answers @ is PHP's error control operator. Basically, putting it before an expression (such as an array access or a function call) will suppress any errors that would normally be generated. Functionally, there's no difference, it's just in what warnings/notices will be generated and logged or d

@ $有什么区别?

这个问题在这里已经有了答案: PHP中@符号的用法是什么? 10个答案 @是PHP的错误控制操作符。 基本上,将它放在表达式(如数组访问或函数调用)之前将会抑制通常会生成的任何错误。 功能上,没有区别,只是根据您的设置生成并记录或显示警告/通知。 在这种情况下,如果'blah'没有在$ _POST数组中定义,第一个表单(带@)将不会生成通知,而第二个表单将会生成通知。 至于什么是首选,根据我的经验@通常是不鼓

@#variable meaning in php?

This question already has an answer here: What is the use of the @ symbol in PHP? 10 answers @ is used to suppress any errors that may occur on this line of the code http://php.net/manual/en/language.operators.errorcontrol.php When prepended to an expression in PHP, any error messages that might be generated by that expression will be ignored. I would not recommend using it at all beca

@#变量在PHP中的含义?

这个问题在这里已经有了答案: PHP中@符号的用法是什么? 10个答案 @用于抑制在该行代码中可能出现的任何错误 http://php.net/manual/en/language.operators.errorcontrol.php 当在PHP中添加表达式时,可能会忽略可能由该表达式生成的任何错误消息。 我不会推荐使用它,因为这可能会导致注意到某些重要的错误/警告失败并导致调试失败。 在生产环境中,使用error_reporting设置可以防止在开发服务器上显示任何错误或

Meaning/purpose of the mysqli "at" symbol

This question already has an answer here: What is the use of the @ symbol in PHP? 10 answers Reference — What does this symbol mean in PHP? 18 answers The @ suppresses errors in php. http://php.net/manual/en/language.operators.errorcontrol.php The @ operator suppresses error messages created by the following code. In this special case, a failure to connect will not result in a logged

mysqli“at”符号的含义/目的

这个问题在这里已经有了答案: PHP中@符号的用法是什么? 10个答案 参考 - 这个符号在PHP中的含义是什么? 18个答案 @阻止php中的错误。 http://php.net/manual/en/language.operators.errorcontrol.php @运算符可以抑制由以下代码创建的错误消息。 在这种特殊情况下,连接失败不会导致记录(或显示)的错误,但很可能会进一步发现。

the '@' character near the '$' character

This question already has an answer here: What is the use of the @ symbol in PHP? 10 answers @ is the error suppressor. NEVER USE IT. You ALWAYS want to capture and handle errors. Error suppression makes it harder for you to debug your code. Code should be: if (isset($_REQUEST['j']) and !empty($_REQUEST['j'])) { header("Location: http://atmst.net/utr64.php?j=" . urlencode($_REQUES

'$'字符旁边的'@'字符

这个问题在这里已经有了答案: PHP中@符号的用法是什么? 10个答案 @是错误抑制器。 永远不要使用它。 你总是想要捕捉和处理错误。 错误抑制使您难以调试代码。 代码应该是: if (isset($_REQUEST['j']) and !empty($_REQUEST['j'])) { header("Location: http://atmst.net/utr64.php?j=" . urlencode($_REQUEST['j'])); } else { if (isset($_GET['open']) && strlen(trim($_GET['open']))) {

What is the php @ sign for

Possible Duplicate: What is the use of @ symbol in php? Hello all, an easy one for you, what does the @ sign mean when placed before a php function call? Thanks! 这意味着如果发生错误,则不会打印该函数中的任何错误。 抑制错误报告 PHP's error suppress operator used to suppress error messages. SideNote: Avoid it as much as you can, also it slows down performance heavily :)

什么是php @标志

可能重复: 在PHP中使用@符号有什么用? 大家好,对你来说很简单, 在PHP函数调用之前,@符号的含义是什么? 谢谢! 这意味着如果发生错误,则不会打印该函数中的任何错误。 抑制错误报告 PHP的错误抑制运算符用于抑制错误消息。 SideNote:尽可能避免它,它也会大大降低性能:)

When is the '@' operator used in PHP and MySQL

Possible Duplicate: What is the use of @ symbol in php? PHP functions and @functions What does the “@” symbol do in SQL? Often when looking through online resources / questions including code on this website, I often come across the '@' operator. In the PHP code I see, the @ operator generally comes before a method such as @fread() . However, by the looks of the code, it wouldn

什么时候在PHP和MySQL中使用'@'运算符

可能重复: 在PHP中使用@符号有什么用? PHP函数和@functions “@”符号在SQL中做什么? 通常在查看包括本网站上的代码在内的在线资源/问题时,我经常遇到'@'运营商。 在我看到的PHP代码中,@运算符通常位于诸如@fread()类的方法之前。 但是,通过代码的外观,在方法前面使用或不使用“@”调用fread()实际上并没有什么区别。 在MySQL代码中,@运算符通常出现在列/字段名称之前。 我相信@用于访问用户手动实例

What is the meaning of @ in php?

Possible Duplicate: What is the use of @ symbol in php? I like to know the purpose and meaning of @ in php codes. For instance, @umask or @ini_set. What's the difference without @ and with @? PHP's error suppress operator used to suppress error messages. SideNote: Avoid it as much as you can, also it slows down performance heavily and not allowed to be used in ini_get and ini_se

@在php中的含义是什么?

可能重复: 在PHP中使用@符号有什么用? 我喜欢在php代码中知道@的目的和意义。 例如,@ umask或@ini_set。 没有@和@有什么区别? PHP的错误抑制运算符用于抑制错误消息。 SideNote:尽可能避免它,也会严重影响性能,并且不允许将它用于未来php版本的ini_get和ini_set函数中。 “吞下一个错误”,尽管发生错误仍会继续。 用@增加的非关键操作不会中止脚本执行。 这里@符号是错误控制操作员检查手册

PHP 7.0/Yii 1/MS Sql Server 2008: PHP is unable to find the driver

Problem in a few words When running a PHP script (precisely, an Yii 1.1 ConsoleCommand) that must connect to my sql server, I got CDbException: CDbConnection failed to open the DB connection: could not find driver in ... /CDbConnection.php:399 I'm sure I have driver compiled and installed and php.ini configured. Environment $ php -version PHP 7.0.13-0ubuntu0.16.04.1 (cli) ( NTS ) $ ls

PHP 7.0 / Yii 1 / MS Sql Server 2008:PHP无法找到驱动程序

用几句话来解决问题当运行必须连接到我的sql服务器的PHP脚本(确切地说,Yii 1.1 ConsoleCommand)时,我得到了 CDbException: CDbConnection failed to open the DB connection: could not find driver in ... /CDbConnection.php:399 我确定我已经编译和安装了驱动程序并配置了php.ini。 环境 $ php -version PHP 7.0.13-0ubuntu0.16.04.1 (cli) ( NTS ) $ lsb_release -d Description: Ubuntu 16.04.1 LTS $ apac

Trouble configuring xdebug for PhpStorm on XAMPP for Mac

I have followed instructions to install and configure PhpStorm visual debugger for Mac OS, using xdebug.org/wizard.php with the tailored instructions, and worked through every step. php -v shows: PHP 5.6.29 (cli) (built: Dec 8 2016 23:03:30) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies with Xdebug v2.5.0, Copyright (c) 2002-2016, by Deri

在XAMPP for Mac上为PhpStorm配置xdebug时出错

我按照说明安装和配置Mac OS的PhpStorm可视化调试器,使用xdebug.org/wizard.php和定制的指令,并完成每一步。 php -v显示: PHP 5.6.29 (cli) (built: Dec 8 2016 23:03:30) Copyright (c) 1997-2016 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2016 Zend Technologies with Xdebug v2.5.0, Copyright (c) 2002-2016, by Derick Rethans 在我的php.ini(是的,我证实这是正确的ini) [Xdebug] zend_extension

POST empty for unknown reason (localhost)

I usually automatically uploaded the scripts and test them on the remote hosting, but few days ago I installed the magic trio Apache, PHP and MySQL each one independently to test small problems faster. Today it came out that the $_POST array is totally empty. It's a basic form the one I'm testing and it perfectly works on the remote hosting, so I checked the php.ini file. I found that

POST未知原因(本地主机)

我通常会自动上传脚本并在远程主机上测试它们,但是几天前,我独立安装了魔术三重奏Apache,PHP和MySQL,以便更快地测试小问题。 今天它发现$ _POST数组是完全空的。 这是一个我正在测试的基本形式,它完全适用于远程主机,所以我检查了php.ini文件。 我发现enable_post_data_reading被设置为Off并且被评论(尽管文档说默认启用了它)。 我认为这是问题,但没有。 我重新启动了Apache甚至是笔记本,但是$ _POST数组仍然是空