<?php
$json_string = '{
"educations": {
"_total": 7
}
}';
$total= $decoded->educations->_total;
echo PHP_EOL, $total;
PD9waHAKCiRqc29uX3N0cmluZyA9ICd7CiAgICAiZWR1Y2F0aW9ucyI6IHsKICAgICAgICAiX3RvdGFsIjogNwogICAgfQp9JzsKCiRkZWNvZGVkID0ganNvbl9kZWNvZGUoJGpzb25fc3RyaW5nKTsKdmFyX2R1bXAoJGRlY29kZWQpOwokdG90YWw9ICRkZWNvZGVkLT5lZHVjYXRpb25zLT5fdG90YWw7CmVjaG8gUEhQX0VPTCwgJHRvdGFsOwoK