php - json object to array not referencing values -


i'm doing stupid , can't figure out.

i'm pulling setting details stored in mysql database json object , converting them array.

$settings = (array)json_decode($user['settings']);

i can print_r() following: 

array (     [2] => 1     [1] => 1 )

good far.

if try update 1 of settings, example changing 1 equal 0, this: 

array (     [2] => 1     [1] => 1     [1] => 0 )

i'm doing this:

$settings[1] = 0;

ultimately i'm trying unset value if it's 0 , update database. instead of updating value, it's creating new entry , using unset doesn't anything.

what doing wrong??

full code snippet reference: 

$settings = (array)json_decode($user['settings']); print_r($settings);  if(isset($form['usr'][$user['id_user']])){     $settings[1] = 1; }else{     $settings[1] = 0;     unset($settings[1]); }  print_r($settings);

returns: 

array (     [2] => 1     [1] => 1 ) array (     [2] => 1     [1] => 1     [1] => 0 )

hi can add secent param true function json_decode : 

$settings = json_decode($user['settings'], true);

i think fix problem


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