Extract gzipped redis value for Magento 1.x cached config

m1_extract_redis_value.php

<?php

# Find Magento crontab configs
# redis-cli -p 6379 KEYS \* | grep -i CONFIG_GLOBAL_CRONTAB
# redis-cli -p 6379 hget zc:k:c62_CONFIG_GLOBAL_CRONTAB d 

# Find config value from redis object store
# redis-cli -p 6379 KEYS \* | grep -i CONFIG_GLOBAL
# redis-cli -p 6379 HGET zc:k:c62_CONFIG_GLOBAL d

require_once 'app/Mage.php';

Mage::setIsDeveloperMode(true);

Mage::app();

$redis_options = [
  'server' => 'redis',
  'port' => '6379',
  'database' => '0'
];
$credis = new Cm_Cache_Backend_Redis($redis_options);

$data = $credis->load('c62_CONFIG_GLOBAL');
print $data;