Which of the following is used to calculate a number of character values in PHP?(A)count($variable)(B)len($variable)(C)strcount($variable)(D)strlen($variable)
What is the output of the below code snippets?<?php $value=\"GeeksForGeeks\"; echo strrev(\"$value\"); ?>(A)skeeGroFskeeG(B)skeeGroFskeeO(C)skeeGorFskeeG(D)skeeForFskeeG