check balanced brackets

run.rb

# Just another easy interview question in Ruby
# Description: https://www.hackerrank.com/challenges/balanced-brackets
# This solution is also expecting other chars other than the brackets
POSSIBLE_BRACKETS = %w({ } [ ] < > \( \)).freeze
MATCHING_BRACKETS = {
  '{' => '}',
  '[' => ']',
  '<' => '>',
  '(' => ')'
}.freeze
def balanced_brackets?(str)
  stack = []
  # WRITE YOUR CODE HERE
  str.split('').each do |char|
    next unless POSSIBLE_BRACKETS.include?(char)
    stack.push(char) && next if MATCHING_BRACKETS.keys.include?(char)
    return 0 if char != MATCHING_BRACKETS[stack.pop]
  end
  stack.empty? ? 1 : 0
end

puts balanced_brackets?('}{><')
puts balanced_brackets?('{qwe}eqweqP{1231312[312312]}312312{<<>>}[][]')