u17 - PHP Online

Form of PHP Sandbox

Enter Your PHP code here for testing/debugging in the Online PHP Sandbox. As in the usual PHP files, you can also add HTML, but do not forget to add the tag <?php in the places where the PHP script should be executed.

Your result can be seen below.

Result of php executing

Full code of u17.php

  1. <?php
  2. $arr = ['a'=>1, 'b'=>2, 'c'=>3];
  3. var_dump(array_flip($arr));