<?php
"user" => "user1",
"name" => "name1",
"books" => array( "book1", "book2" ) );
echo 'RESULTADO:', count($array);
PD9waHAKCiAgICAkYXJyYXkgPSBhcnJheSgKICAgICAgICAidXNlciIgPT4gInVzZXIxIiwKICAgICAgICAibmFtZSIgPT4gIm5hbWUxIiwKICAgICAgICAiYm9va3MiID0+IGFycmF5KCAiYm9vazEiLCAiYm9vazIiICkKICAgICk7CiAgICAKICAgIGVjaG8gJ1JFU1VMVEFETzonLCBjb3VudCgkYXJyYXkpOw==