What could be causing the issue of "Undefined variable _GET" in PHP applications running on a Windows Server with Apache 2.4.18 and PHP 7.0.4?

The issue of "Undefined variable _GET" in PHP applications on a Windows Server with Apache 2.4.18 and PHP 7.0.4 is likely due to the PHP configuration settings. To solve this problem, you can enable the `variables_order` directive in the php.ini file to include `G` in addition to `EGPCS`. This will ensure that the $_GET superglobal variable is properly populated with the query string parameters. 

```php
variables_order = "EGPCS"
```
Make sure to restart the Apache server after making this change to the php.ini file.

Keywords

Undefined variable _GET PHP Windows Server Apache 2.4.18

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