How to remove spaces in array keys names in php?

Question

I am trying to remove all spaces in array keys names i.e. str_replace(\' \',\'\',$value) (or worst cast scenario replace them with underscores (_) )

and I am trying

Answer 1

You can pass an array to str_replace so it's much cleaner and easier to just do this:

$my_array = array( 'one 1' => '1', 'two 2' => '2' );
$keys = str_replace( ' ', '', array_keys( $my_array ) );
$results = array_combine( $keys, array_values( $my_array ) );

Result:

array(2) {
  ["one1"]=>
  string(1) "1"
  ["two2"]=>
  string(1) "2"
}

Example: https://glot.io/snippets/ejej1chzg3