php - Fetch column name and rows data from mysql and create json -


here have database mysql:

enter image description here

i need make json file in format:

{"cols":[{"label":"id","type":"number"},{"label":"naziv","type":"string"},{"label":"povrsina","type":"number"},{"label":"lokacija","type":"string"},{"label":"arkod id","type":"number"},{"label":"osnov koriscenja","type":"string"},{"label":"kultura","type":"string"},{"label":"naziv","type":"string"},{"label":"navodnjavanje","type":"string"}],"rows":[{"c":[{"v":1},{"v":"vinograd"},{"v":230457},{"v":"dole"},{"v":57875},{"v":"zakup zemlje"},{"v":"vocnjak"},{"v":"vinograd"},{"v":"da"}]},{"c":[{"v":2},{"v":"njiva 3"},{"v":33445},{"v":"selo"},{"v":4564},{"v":"vlasnistvo"},{"v":"njiva"},{"v":"njiva 3"},{"v":"da"}]},{"c":[{"v":3},{"v":"vocnjak n"},{"v":230457},{"v":"iznad brdo"},{"v":57875},{"v":"zakup zemlje"},{"v":"vocnjak"},{"v":"vocnjak n"},{"v":"da"}]},{"c":[{"v":4},{"v":"njiva dek"},{"v":33445},{"v":"selo"},{"v":4564},{"v":"vlasnistvo"},{"v":"njiva"},{"v":"njiva dek"},{"v":"da"}]}]}

i need format becouse use data google visualisation api.

now work code:

 try {       $conn = new pdo("mysql:host=localhost;dbname=$dbname", $username, $password);       $conn->setattribute(pdo::attr_errmode, pdo::errmode_exception);        $result = $conn->query('select * zemljiste');        $rows = array();       $table = array();       $table['cols'] = array(          array('label' => 'id', 'type' => 'number'),         array('label' => 'naziv', 'type' => 'string'),         array('label' => 'povrsina', 'type' => 'number'),         array('label' => 'lokacija', 'type' => 'string'),         array('label' => 'arkod id', 'type' => 'number'),            array('label' => 'osnov koriscenja', 'type' => 'string'),         array('label' => 'kultura', 'type' => 'string'),         array('label' => 'naziv', 'type' => 'string'),         array('label' => 'navodnjavanje', 'type' => 'string')     );         foreach($result $r) {            $temp = array();            $temp[] = array('v' => (int) $r['id']);            $temp[] = array('v' => (string) $r['naziv']);           $ha = (int)$r['ha'];           $ar = (int)$r['ar'];           $m2 = (int)$r['m2'];           $povrsina = $ha*10000+$ar*100+$m2;           $temp[] = array('v' => (int) $povrsina);            $temp[] = array('v' => (string) $r['lokacija']);           $temp[] = array('v' => (int) $r['arkod']);           $temp[] = array('v' => (string) $r['osnov']);           $temp[] = array('v' => (string) $r['kat_kul']);           $temp[] = array('v' => (string) $r['naziv']);           $temp[] = array('v' => (string) $r['navodnjavanje']);             $rows[] = array('c' => $temp);         }      $table['rows'] = $rows;      // convert data json format     $jsontable = json_encode($table);     //echo $jsontable;     } catch(pdoexception $e) {         echo 'error: ' . $e->getmessage();     }     echo $jsontable;

but possible auto fetch column names fetch rows data , create json in format put above?

why need this? becouse have many table , each table need create manualy create php file that...

so need solution , auto column names, rows data , create json.

please read on pdostatement.fetchall method. use fetch or fetchall build arrays.

you can pass fetch styles parameter.

for example pdo::fetch_named:

$result = $query->fetchall(pdo::fetch_named);

will create associative array using columns names, save lot of code.


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