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[globals]
foo=bar
baz={{@foo}}
ENV_VALUE={{ getenv('ENV_VALUE') }}

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<?php

class F3PHPUnitTest extends PHPUnit_Framework_TestCase {
	public function test() {
		$f3 = Base::instance();

		// Don't write to STDOUT
		$f3->set('QUIET', true);

		$f3->route('GET /path', function(){ echo 'TEXT'; });

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<?php

/**
 * The following example combines Fat-Free Framework
 * with the PHP Debugger (Toolbar) Tracy.
 *
 * @see https://github.com/bcosca/fatfree/issues/999
 */

use Tracy\Debugger;

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<?php

define('BOT_TOKEN', 'XXXXXXXX:XXXXXXXXXXXXXXXXXXXXXXXX'); // place bot token of your bot here

function checkTelegramAuthorization($auth_data) {
  $check_hash = $auth_data['hash'];
  unset($auth_data['hash']);
  $data_check_arr = [];
  foreach ($auth_data as $key => $value) {
    $data_check_arr[] = $key . '=' . $value;

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Conventions

• A = [xA, yA] is a point on the 2D plane. Same for B, C, ...
• lengths are in any unit (ex: pixels)
• code snippets are in JavaScript

Degrees to radians

angleRad = angleDeg * Math.PI / 180;

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<?php

/**
 * This snippet is part of an answer to a StackOverflow question
 * and is executable as soon as line 11 gets corrected
 * to include Fat-Free Framework's `base.php` file.
 *
 * @see http://stackoverflow.com/questions/41840876/using-computed-properties-on-fatfree-mapper-object-not-retrieved-from-database
 */

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<h2>somefile.html</h2>

<p>{{ time() }}</p>

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package com.example.test_loader;

import java.util.Calendar;

import android.app.Activity;
import android.app.LoaderManager;
import android.app.LoaderManager.LoaderCallbacks;
import android.content.AsyncTaskLoader;
import android.content.Context;
import android.content.Loader;

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<repeat group="{{ @articles }}" value="{{ @article }}">
	<h1>{{ @article->title }}</h1>
</repeat>

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<?php

require 'base.php';

$f3 = Base::instance();

$f3->DEBUG = 3;
$f3->UI = 'UI/';
$f3->CACHE = 'folder=tmp/cache/';
$f3->TEMP = 'tmp/temp/';