PYTHON2.5+

#!/usr/bin/python
import cgi
import json
print "Content-type: text/html\n"
form = cgi.FieldStorage()
tojson = json.loads(str(form.getvalue('file')))
todict = json.loads(tojson);
datable = todict['datable']
way = todict['way']
try:
 with open(way, 'w') as file:
   file.write(datable)
   print('1')
except IOError as e:
   print('0')

PHP7+

 $str = file_get_contents($_FILES["file"]["tmp_name"]);
 $tojson = json_decode(rtrim($str, "\0"), true);
 $obj = json_decode($tojson);
 echo (file_put_contents($obj->way, $obj->datable) !== false) ? 1 : 0;