<?php
class Node {
protected $nid;
public function __construct($nid) {
$this->nid = $nid;
}
}
$node = new Node(12);
if (isset($node->book['bid'])) {
print 'it is a book node';
}
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0