<?php

$open = 'users:
  andreys:
    group: Builder
    subgroups: []
    permissions: []
  Cristian49:
    group: Owner
    subgroups: []
    permissions: []
  Darber:
    group: Owner
    subgroups: []
    permissions: []
  ElgarL:
    group: Moderator
    subgroups: []
    permissions:
    - groupmanager.noofflineperms
  icosmin49:
    group: VIP
    subgroups: []
    permissions: []
  KHobbits:
    group: Moderator
    subgroups: []
    permissions:
    - groupmanager.noofflineperms
  monster04:
    group: Admin
    subgroups: []
    permissions: []
  snowleo:
    group: Builder
    subgroups: []
    permissions:
    - groupmanager.noofflineperms
  TheBroken:
    group: Co-Owner
    subgroups: []
    permissions: []
  Villager:
    group: VIP
    subgroups: []
    permissions: []';
$user = 'andreys';    
$boom = explode("$user:", $open);
$boom = explode("group: ", $boom[1]);
$boom = explode("\n", $boom[1]);
echo $boom[0];