Implement a binary tree in PHP with a search function

You'll need classes for both the tree and its nodes. The search operation will allow you to find a specific value within the tree.

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<?php
// Node class representing each node in the binary tree
class Node {
    public $value;
    public $left;
    public $right;
    public function __construct($value) {
        $this->value = $value;
        $this->left = null;
        $this->right = null;
    }
}
// BinaryTree class encapsulating the root of the tree and operations on it
class BinaryTree {
    private $root;
    public function __construct() {
        $this->root = null;
    }
    // Insert a new value into the binary tree
    public function insert($value) {
 
 
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