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Today, the editor will share with you the relevant knowledge points about how to use the super global variable $GLOBALS in PHP. The content is detailed and the logic is clear. I believe most people still know too much about this knowledge, so share this article for your reference. I hope you can get something after reading this article. Let's take a look.

1. To call the global variable defined outside the function within the function, we need to add the global keyword before the variable in the function:

2. PHP stores all global variables in an array called $globals [index]. Index saves the name of the variable. This array can be accessed inside the function or can be used directly to update global variables.

The above example can be written as follows:

Function myTest () {$GLOBALS ['y'] = $GLOBALS ['x'] + $GLOBALS ['y'];} that's all about the article "how to use the super global variable $GLOBALS in PHP". Thank you for reading! I believe you will gain a lot after reading this article. The editor will update different knowledge for you every day. If you want to learn more knowledge, please pay attention to the industry information channel.

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