php.implodeString.php - implode -> to join el in array into a string.
<?php
$raw = array(
array(
'id' => '11',
'name' => 'n1',
'music' => 'm1'),
array(
'id' => '12',
'name' => 'n2',
'music' => 'm2'),
array(
'id' => '13',
'name' => 'n3',
'music' => 'm3')
);
$data = array();
foreach($raw as $item){
$var = '$data['.$item["id"].']='.$item["name"].'-'.$item["music"];
array_push($data, $var);
}
$str = implode('&', $data);
print_r($str);
?>