alan-ps

In order to run any sudo commands without typing a password we should add next two lines into /etc/sudoers at the end of the file (use sudo for open this file).

User_Alias ADMINS = username
ADMINS ALL = NOPASSWD: ALL

where username is the user to whom permissions should be granted.

alan-ps

Install Drush using Composer

1. Install composer globally

Detailed information about this step can be found here.

2. Drush installation

composer global require drush/drush:8.*
composer global update

We can state any Drush version we need. We can also roll back to a necessary release version of Drush using commands above. Now, we can use Drush:

alan-ps

Use code below in the .install file of your module (my_module).

<?php

/**
 * Implements hook_install().
 */
function my_module_install() {
  // Set an initial value for the schema version so we can run updates
 // after install (for first installation only).

alan-ps

/**
 * $(document).ready() block.
 */
$(document).ready(function() {
  console.log("Document loaded!");
});

/**
 * Shorthand for $(document).ready().
 */

alan-ps

Install Drupal CS using Composer

1. Install composer globally

Detailed information about this step can be found here.

2. Install PHP Code Sniffer and Coder

composer global require squizlabs/php_codesniffer ^2.9
composer global require drupal/coder ^8.2

3. Use Drupal standards by default

alan-ps

Alternate Null Type Syntax

<?php

function myFunc(?MyObject $myObj) {
  echo 'Hello World!';
}

myFunc(null); // this is allowed

alan-ps

Overview

The keyword static is similar to self, except, that it related to a class which calls a method and do not related to a class which contains a call.

Example

<?php
  
abstract class Drink {
  private $category;

alan-ps

Functional inheritance

function Animal() {
  var that = {};
  that.eats = true;
  return that;
}

function Dog() {
 var that = Animal();

alan-ps

<?php

class MyClass {

  private function somePrivateMethod() {
    echo 'This method is private!';
  }

}

alan-ps

A generator allows you to write code that uses foreach to iterate over a set of data without needing to build an array in memory, which may cause you to exceed a memory limit, or require a considerable amount of processing time to generate.

Example

<?php

/**
 * Helper function to get $count of even numbers.
 */
function func($count) {