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| <?php | |
| // Run server: "php -S localhost:8888 api.php" | |
| // get the HTTP method, path and body of the request | |
| $method = $_SERVER['REQUEST_METHOD']; | |
| $request = explode('/', trim($_SERVER['PATH_INFO'],'/')); | |
| $input = json_decode(file_get_contents('php://input'),true); | |
| // connect to the mysql database | |
| $link = mysqli_connect('localhost', 'root', '', 'dbname'); | |
| mysqli_set_charset($link,'utf8'); | |
| // retrieve the table and key from the path | |
| $table = preg_replace('/[^a-z0-9_]+/i','',array_shift($request)); | |
| $key = array_shift($request)+0; | |
| // escape the columns and values from the input object | |
| if(!is_null($input)){ | |
| $columns = preg_replace('/[^a-z0-9_]+/i','',array_keys($input)); | |
| $values = array_map(function ($value) use ($link) { | |
| if ($value===null) return null; | |
| return mysqli_real_escape_string($link,(string)$value); | |
| },array_values($input)); | |
| // build the SET part of the SQL command | |
| $set = ''; | |
| for ($i=0;$i<count($columns);$i++) { | |
| $set.=($i>0?',':'').'`'.$columns[$i].'`='; | |
| $set.=($values[$i]===null?'NULL':'"'.$values[$i].'"'); | |
| } | |
| } | |
| // create SQL based on HTTP method | |
| switch ($method) { | |
| case 'GET': | |
| $sql = "select * from `$table`".($key?" WHERE id=$key":''); break; | |
| case 'PUT': | |
| $sql = "update `$table` set $set where id=$key"; break; | |
| case 'POST': | |
| $sql = "insert into `$table` set $set"; break; | |
| case 'DELETE': | |
| $sql = "delete from `$table` where id=$key"; break; | |
| } | |
| // excecute SQL statement | |
| $result = mysqli_query($link,$sql); | |
| // die if SQL statement failed | |
| if (!$result) { | |
| http_response_code(404); | |
| die(mysqli_error($link)); | |
| } | |
| // print results, insert id or affected row count | |
| if ($method == 'GET') { | |
| if (!$key) echo '['; | |
| for ($i=0;$i<mysqli_num_rows($result);$i++) { | |
| echo ($i>0?',':'').json_encode(mysqli_fetch_object($result)); | |
| } | |
| if (!$key) echo ']'; | |
| } elseif ($method == 'POST') { | |
| echo mysqli_insert_id($link); | |
| } else { | |
| echo mysqli_affected_rows($link); | |
| } | |
| // close mysql connection | |
| mysqli_close($link); |
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