I maintain the PHP Maven on LinkedIn. If you have an account on LinkedIn, you are invited to follow the page there.
Keywords used for searching on LinkedIn: PHP, Drupal, Wordpress, (TODO: Laravel, Symfony).
Groups
There are many groups that are focused on PHP:
| Group | Members |
|---|---|
| PHP Developers | 193,224 |
| LinkedPHPers - The Largest PHP Group | 55,784 |
| PHP Developer Network | 41,844 |
| PHP Web Development | 35,490 |
| PHP language | 23,271 |
| PHP | 22,928 |
| Développeur PHP | 19,064 |
| PHP & MySQL Discussion / Jobs | 16,641 |
| PHP-MYSQL | 11,743 |
| Australian PHP Freelance/web developer | 7,497 |
| PHP Community | 6,780 |
| PHP@India | 5,767 |
| Israeli PHP Developers | 1,045 |
TODO: There are a lot more for "PHP", and I have not searched for the other keywords yet.
User groups (LinkedIn pages)
There are a few User groups that maintain a page for announcements:
| Page | Followers |
|---|---|
| PHP Portugal | 253 |
| Longhorn PHP Conference | 214 |
| PHP Barcelona Conference | 116 |
Companies (LinkedIn pages)
There are vaious other companies and organizations with their own page:
| Page | Followers |
|---|---|
| PHP | 232,000 |
| WordPress | 226,000 |
| Laravel News | 145,000 |
| Laravel | 133,000 |
| The PHP Foundation | 31,000 |
| WordPress.com | 27,000 |
| Drupal Association | 19,000 |
| Drupal | 14,000 |
| WordPress UK | 8,300 |
| Laravel Artisans Community | 4,700 |
| Laravel Ahmedabad Community | 3,100 |
| Laravel France | 2,900 |
| DrupalCon Europe | 2,400 |
| Drupal Developer Days | 1,400 |
| Drupal Asia | 750 |
| DrupalCamp Spain | 429 |
| Laravel Dubai | 416 |
| Laravel Live UK | 396 |
| Drupal e.V. - The German Drupal Association | 272 |
| DrupalCamp Italy | 263 |
| Drupal Mumbai | 256 |
| Laravel Ukraine | 197 |
| Laravel Greece | 190 |
| Drupal Colorado | 125 |
| WordPress Dubai | 109 |
| Laravel Chennai Community | 107 |
| Laravel GN | 7 |
