Remove array keys and values if it does not exist in other array in Laravel

• Laravel array_only helper method

  $allArrayItems = array('175' => 20, '179' => 30, '181' => 80);
  $arrayItemsToGet = array( '0' => 175, '1' => 179);
  $arrayItems = array_only($allArrayItems, $arrayItemsToGet);
  print_r($arrayItems);
  
  //Another method: 
  //Use can pass keys as index key (second parameter values)
  $allArrayItems = array('175' => 20, '179' => 30, '181' => 80);
  $arrayItemsToGet = array('175', '179');
  $arrayItems = array_only($allArrayItems, $arrayItemsToGet);
  print_r($arrayItems);
  

  //Output

  Array passed as first argument: Array ( [175] => 20 [179] => 30 [181] => 80 )
  Array passed as second argument: Array ( [0] => 175 [1] => 179 )
  Output return by function: Array ( [175] => 20 [179] => 30 )
  
  

  Method array_only() is the helper method in Laravel which returns only the specified key-value pair from the array.

  The array_only() method will remove all other keys and values from the array (from the first argument) if it does not exist in another array using keys which is passed as a second argument to this method. You have to pass the keys in array form as the second argument which you want to get from the existing array. 

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