array_slice function in php

php is having a function to extract slice of an array.
Find below the syntax of this function array_slice().

$outputarray=array_slice($inputarray,$offset,$length);

Here, the length argument is optional.

If you want to remove first two items from an array, you can use as below,
$arrNames=array_slice($arrNames,2);

We can specify negative number also as the offset. In this case, it will be taken from end of the array.

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