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/** * input an object, returns a json-ized string of said object * * This function doesn't support special UTF-8 characters. * * @param mixed $obj The array or object to encode * @return string JSON formatted output * @author Chip Harlan (Original Creator) * @author Jay Williams (Added additional variable types) * @link http://www.post-hipster.com/2008/02/15/elegant-little-php-json-encoder/ */ function php_json_encode($obj) { switch (gettype($obj)) { case 'object': $obj = get_object_vars($obj); case 'array': if (array_is_associative($obj)) { $arr_out = array(); foreach ($obj as $key=>$val) { $arr_out[] = '"' . $key . '":' . php_json_encode($val); } return '{' . implode(',', $arr_out) . '}'; } else { $arr_out = array(); $ct = count($obj); for ($j = 0; $j < $ct; $j++) { $arr_out[] = php_json_encode($obj[$j]); } return '[' . implode(',', $arr_out) . ']'; } break; case 'NULL': return 'null'; break; case 'boolean': return ($obj)? 'true' : 'false'; break; case 'integer': case 'double': return $obj; break; case 'string': default: $obj = str_replace(array('\\','/','"',), array('\\\\','\/','\"'), $obj); return '"' . $obj . '"'; break; } }

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