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:
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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