PHP json_decode json_encode常用命令

json_encode

$arr = array("name"=>"benben");

echo json_encode($arr);
//{"name":"benben"}

echo $arr['name'];
//benben

json_decode

$js = '{"name":"benben"}';

$arr = json_decode($js);
print_r($arr);
//stdClass Object ( [name] => benben )

echo $arr->name;
//benben

json_decode true

$js = '{"name":"benben"}';

$arr = json_decode($js,true);
print_r($arr);
//Array ( [name] => benben ) 

echo $arr['name'];
//benben