w3resource
php Programming Exercies

PHP Array Exercises : Get an array with the first key and value

PHP Array: Exercise-47 with Solution

Write a PHP function to get an array with the first key and value.

Sample Solution:

PHP Code:

<?php
function array_1st_element($my_array)
{
  list($k) = array_keys($my_array);
  $result  = array($k=>$my_array[$k]);
  unset($my_array[$k]);
  return $result;
}
$colors = array('c1'=>'Red','c2'=>'Green','c3'=>'Black');
print_r(array_1st_element($colors));
?>

Sample Output:

Array                                                       
(                                                           
    [c1] => Red                                             
)

Flowchart:

Flowchart: PHP - Get an array with the first key and value

PHP Code Editor:

Contribute your code and comments through Disqus.

Previous: Write a PHP function to check whether all array values are strings or not.
Next: Write a PHP function to set union of two arrays.

What is the difficulty level of this exercise?



New Content: Composer: Dependency manager for PHP, R Programming