Working with Array Functions

How to create an array that has a range of values

      
      $numbers = range(1, 4);

      $numbers = range(10, 22, 4);

How to fill and pad an array

      
      $numbers = array_fill(0, 5, 1);

How to merge two arrays

      $employees = array('Mike', 'Anne');

      $new_hires = array('Ray', 'Pren');

      $employees = array_merge($employees, $new_hires);

      print_r($employees); // Array ( [0] => Mike [1] => Anne [2] => Ray [3] => Pren )
      Array
(
    [0] => Mike
    [1] => Anne
    [2] => Ray
    [3] => Pren
)

How to slice one array from another

      
      $employees = array('Mike', 'Anne', 'Ray', 'Pren');
      $new_hires = array_slice($employees, 2);
      print_r($new_hires); // Array ( [0] => Mike [1] => Anne [2] => Ray [3] => Pren )

How to splice two arrays together

      $employees = array('Mike', 'Anne', 'Joel'); 

      $new_hires = array('Ray', 'Pren'); 

      array_splice($employees, 1, 2, $new_hires); 

      print_r($employees); // Array ( [0] => Ray [1] => Pren )
      Array
(
    [0] => Mike
    [1] => Ray
    [2] => Pren
)

Back