PHP Exercises: Get the head of a given list

Last update on August 19 2022 21:50:37 (UTC/GMT +8 hours)

PHP: Exercise-85 with Solution

Write a PHP program to get the head of a given list.

Sample Solution: -

PHP Code:

<?php
function head($items)
{
    return reset($items);
}
print_r(head([1, 2, 3]));
echo "\n";
print_r(head([2, 1, 3, -4, 5, 1, 2]));

?>

Sample Output:

1
2

Flowchart:

PHP Code Editor:

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Previous: Write a PHP program to check a flat list for duplicate values. Returns true if duplicate values exists and false if values are all unique.
Next: Write a PHP program to get the last element of a given list.

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Test your Programming skills with w3resource's quiz.

Returns all elements in an array except for the first one

Example:

<?php
function tips_tail($items)
{
  return count($items) > 1 ? array_slice($items, 1) : $items;
}

print_r(tips_tail([1, 5, 7]));
?>

Output:

Array
(
    [0] => 5
    [1] => 7
)