How to remove warning in php

php method to remove warnings: first open the PHP page file; then add "ini_set("display_errors","Off");" to the beginning of the php page.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

php turns off the warning warning

You may encounter warnings during the encoding process. When you finally put it into use, if you want to turn off the warning

, add

error_reporting(E_ERROR); 
ini_set("display_errors","Off");

at the beginning of the php page[ Recommended learning: PHP video tutorial】

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