how to hide undefined variable error in php

When you GET data in the form of $ _ GET ["xx"], if you do not add a judgment before, the following warning will appear when $ _ GET ["xx"] does not exist: PHP Notice: undefined index xxx. Although you can hide this prompt by setting the error

PHP features: the command line mode starts with version 4.3.0. PHP provides a new type of cli sapi (Server Application Programming Interface, Server Application Programming Port) support, named CLI, command Line Interface, that is, Command Line

If you're a veteran of PHP, you know what happens when a php script goes wrong. The PHP parser then gives the error message on the screen, such as Fatal error:call to undefined function in line 19--so the program terminates here. This information

Several solutions to undefined index in PHP I. Related information $_post[''] $_get[''] It appears when you use or get the parameters in the formNotice: Undefined index: --------；And we often receive the form post come over the data times Undefined

Although it is possible to hide this hint by setting the error display, there is a hidden danger that these prompts are logged in the server's log, causing the log file to be unusually large Usually use $_post['],$_get['] to get the parameters in

Php: several solutions for undefined index: undefinedindex When $ _ post [''] and $ _ get [''] are used to obtain parameters in the formNotice: Undefined index :--------;   Although you can hide this prompt by setting the error display mode,

10PrinciplesofthePHPMasters in the WEB development world, PHP is one of the most popular languages. From PHP, you can easily find the scripts you need. Unfortunately, few people will write a PHP program using best practices. Here, we will introduce

In the Web development World, PHP is one of the most popular languages, from PHP, you can easily find the script you need, unfortunately, few people will use "best practices" to write a PHP program. Here, we introduce you to PHP's 10 best practices,

In the Web development world, PHPis one of the most popular languages, from PHP, you can easily find the script you need, unfortunately, few people will use "best practices" to write a PHP program. Here, we introduce you to PHP's 10 best practices,

10-bit top PHP Master Development Principles (RPM) In the Web development World, PHP is one of the most popular languages, from PHP, you can easily find the script you need, unfortunately, few people will use "best practices" to write a PHP program.