Levi Kamara Zwannah levizwannah

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Coding

Algorithmic thinking & problem-solving. Like building things from the ground up without re-inventing the wheel... is that possible?

stampycode / push.php

Last active May 28, 2021 00:18

Create a ServiceWorker Push notification in PHP

	<?php

	/*
	* If you get any part of this process wrong, Google gives the really helpful error message "invalid JWT provided".
	*
	* Mozilla (Firefox) gives a slightly just-as-useful error:
	* {
	* "code": 401, "errno": 109, "error": "Unauthorized",
	* "more_info": "http://autopush.readthedocs.io/en/latest/http.html#error-codes",
	* "message": "Request did not validate Invalid Authorization Header"

meetrajesh / binary_search_tree.php

Last active January 18, 2022 16:53

An efficient binary search tree (BST) implementation in PHP.

	<?php

	class BinarySearchTree {
	private $_root;
	public function __construct() {
	// setup sentinal node
	$this->_root = new BinarySearchNode(null);
	}
	public function getRoot() {
	return $this->hasNode() ? $this->_root->right : null;