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PHP Exercises: Get the head of a given list

PHP: Exercise-85 with Solution

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

Sample Solution:

PHP Code:

<?php
// Function definition for 'head' that takes an array of items as a parameter
function head($items)
{
    // Use 'reset' to retrieve the first element of the array
    return reset($items);
}

// Call 'head' with an array and display the result using 'print_r'
print_r(head([1, 2, 3]));

// Display a newline
echo "\n";

// Call 'head' with another array and display the result using 'print_r'
print_r(head([2, 1, 3, -4, 5, 1, 2]));

?>

Sample Output:

1
2

Flowchart:

Flowchart: Get the head of a given list.

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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