The each() function is deprecated under php7.2. If we run the following code we will get errors: <?php $arr=array( ‘glasses1’ => ‘reading glasses’, ‘glasses2’ => ‘bifocal glasses’, ‘glasses3’ => ‘progressive glasses’ ); while(list($key,$val)=each($arr)){ echo $key.’—>’.$val.'<br>’; } ?>   Deprecated: The… Read morephp7.2: the each() function is deprecated